diff options
Diffstat (limited to 'drivers')
189 files changed, 2648 insertions, 1359 deletions
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index ecb743bf05a5..536562c626a2 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -24,7 +24,7 @@ acpi-y += nvs.o # Power management related files acpi-y += wakeup.o acpi-y += sleep.o -acpi-$(CONFIG_PM) += device_pm.o +acpi-y += device_pm.o acpi-$(CONFIG_ACPI_SLEEP) += proc.o @@ -38,7 +38,6 @@ acpi-y += processor_core.o acpi-y += ec.o acpi-$(CONFIG_ACPI_DOCK) += dock.o acpi-y += pci_root.o pci_link.o pci_irq.o -acpi-y += csrt.o acpi-$(CONFIG_X86_INTEL_LPSS) += acpi_lpss.o acpi-y += acpi_platform.o acpi-y += power.o diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index b1c95422ce74..652fd5ce303c 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -35,11 +35,16 @@ ACPI_MODULE_NAME("acpi_lpss"); struct lpss_device_desc { bool clk_required; - const char *clk_parent; + const char *clkdev_name; bool ltr_required; unsigned int prv_offset; }; +static struct lpss_device_desc lpss_dma_desc = { + .clk_required = true, + .clkdev_name = "hclk", +}; + struct lpss_private_data { void __iomem *mmio_base; resource_size_t mmio_size; @@ -49,7 +54,6 @@ struct lpss_private_data { static struct lpss_device_desc lpt_dev_desc = { .clk_required = true, - .clk_parent = "lpss_clk", .prv_offset = 0x800, .ltr_required = true, }; @@ -60,6 +64,9 @@ static struct lpss_device_desc lpt_sdio_dev_desc = { }; static const struct acpi_device_id acpi_lpss_device_ids[] = { + /* Generic LPSS devices */ + { "INTL9C60", (unsigned long)&lpss_dma_desc }, + /* Lynxpoint LPSS devices */ { "INT33C0", (unsigned long)&lpt_dev_desc }, { "INT33C1", (unsigned long)&lpt_dev_desc }, @@ -91,16 +98,27 @@ static int register_device_clock(struct acpi_device *adev, struct lpss_private_data *pdata) { const struct lpss_device_desc *dev_desc = pdata->dev_desc; + struct lpss_clk_data *clk_data; if (!lpss_clk_dev) lpt_register_clock_device(); - if (!dev_desc->clk_parent || !pdata->mmio_base + clk_data = platform_get_drvdata(lpss_clk_dev); + if (!clk_data) + return -ENODEV; + + if (dev_desc->clkdev_name) { + clk_register_clkdev(clk_data->clk, dev_desc->clkdev_name, + dev_name(&adev->dev)); + return 0; + } + + if (!pdata->mmio_base || pdata->mmio_size < dev_desc->prv_offset + LPSS_CLK_SIZE) return -ENODATA; pdata->clk = clk_register_gate(NULL, dev_name(&adev->dev), - dev_desc->clk_parent, 0, + clk_data->name, 0, pdata->mmio_base + dev_desc->prv_offset, 0, 0, NULL); if (IS_ERR(pdata->clk)) diff --git a/drivers/acpi/apei/cper.c b/drivers/acpi/apei/cper.c index fefc2ca7cc3e..33dc6a004802 100644 --- a/drivers/acpi/apei/cper.c +++ b/drivers/acpi/apei/cper.c @@ -250,10 +250,6 @@ static const char *cper_pcie_port_type_strs[] = { static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie, const struct acpi_hest_generic_data *gdata) { -#ifdef CONFIG_ACPI_APEI_PCIEAER - struct pci_dev *dev; -#endif - if (pcie->validation_bits & CPER_PCIE_VALID_PORT_TYPE) printk("%s""port_type: %d, %s\n", pfx, pcie->port_type, pcie->port_type < ARRAY_SIZE(cper_pcie_port_type_strs) ? @@ -285,20 +281,6 @@ static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie, printk( "%s""bridge: secondary_status: 0x%04x, control: 0x%04x\n", pfx, pcie->bridge.secondary_status, pcie->bridge.control); -#ifdef CONFIG_ACPI_APEI_PCIEAER - dev = pci_get_domain_bus_and_slot(pcie->device_id.segment, - pcie->device_id.bus, pcie->device_id.function); - if (!dev) { - pr_err("PCI AER Cannot get PCI device %04x:%02x:%02x.%d\n", - pcie->device_id.segment, pcie->device_id.bus, - pcie->device_id.slot, pcie->device_id.function); - return; - } - if (pcie->validation_bits & CPER_PCIE_VALID_AER_INFO) - cper_print_aer(pfx, dev, gdata->error_severity, - (struct aer_capability_regs *) pcie->aer_info); - pci_dev_put(dev); -#endif } static const char *apei_estatus_section_flag_strs[] = { diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index d668a8ae602b..403baf4dffc1 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -454,7 +454,9 @@ static void ghes_do_proc(struct ghes *ghes, aer_severity = cper_severity_to_aer(sev); aer_recover_queue(pcie_err->device_id.segment, pcie_err->device_id.bus, - devfn, aer_severity); + devfn, aer_severity, + (struct aer_capability_regs *) + pcie_err->aer_info); } } diff --git a/drivers/acpi/csrt.c b/drivers/acpi/csrt.c deleted file mode 100644 index 5c15a91faf0b..000000000000 --- a/drivers/acpi/csrt.c +++ /dev/null @@ -1,159 +0,0 @@ -/* - * Support for Core System Resources Table (CSRT) - * - * Copyright (C) 2013, Intel Corporation - * Authors: Mika Westerberg <mika.westerberg@linux.intel.com> - * Andy Shevchenko <andriy.shevchenko@linux.intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#define pr_fmt(fmt) "ACPI: CSRT: " fmt - -#include <linux/acpi.h> -#include <linux/device.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/sizes.h> - -ACPI_MODULE_NAME("CSRT"); - -static int __init acpi_csrt_parse_shared_info(struct platform_device *pdev, - const struct acpi_csrt_group *grp) -{ - const struct acpi_csrt_shared_info *si; - struct resource res[3]; - size_t nres; - int ret; - - memset(res, 0, sizeof(res)); - nres = 0; - - si = (const struct acpi_csrt_shared_info *)&grp[1]; - /* - * The peripherals that are listed on CSRT typically support only - * 32-bit addresses so we only use the low part of MMIO base for - * now. - */ - if (!si->mmio_base_high && si->mmio_base_low) { - /* - * There is no size of the memory resource in shared_info - * so we assume that it is 4k here. - */ - res[nres].start = si->mmio_base_low; - res[nres].end = res[0].start + SZ_4K - 1; - res[nres++].flags = IORESOURCE_MEM; - } - - if (si->gsi_interrupt) { - int irq = acpi_register_gsi(NULL, si->gsi_interrupt, - si->interrupt_mode, - si->interrupt_polarity); - res[nres].start = irq; - res[nres].end = irq; - res[nres++].flags = IORESOURCE_IRQ; - } - - if (si->base_request_line || si->num_handshake_signals) { - /* - * We pass the driver a DMA resource describing the range - * of request lines the device supports. - */ - res[nres].start = si->base_request_line; - res[nres].end = res[nres].start + si->num_handshake_signals - 1; - res[nres++].flags = IORESOURCE_DMA; - } - - ret = platform_device_add_resources(pdev, res, nres); - if (ret) { - if (si->gsi_interrupt) - acpi_unregister_gsi(si->gsi_interrupt); - return ret; - } - - return 0; -} - -static int __init -acpi_csrt_parse_resource_group(const struct acpi_csrt_group *grp) -{ - struct platform_device *pdev; - char vendor[5], name[16]; - int ret, i; - - vendor[0] = grp->vendor_id; - vendor[1] = grp->vendor_id >> 8; - vendor[2] = grp->vendor_id >> 16; - vendor[3] = grp->vendor_id >> 24; - vendor[4] = '\0'; - - if (grp->shared_info_length != sizeof(struct acpi_csrt_shared_info)) - return -ENODEV; - - snprintf(name, sizeof(name), "%s%04X", vendor, grp->device_id); - pdev = platform_device_alloc(name, PLATFORM_DEVID_AUTO); - if (!pdev) - return -ENOMEM; - - /* Add resources based on the shared info */ - ret = acpi_csrt_parse_shared_info(pdev, grp); - if (ret) - goto fail; - - ret = platform_device_add(pdev); - if (ret) - goto fail; - - for (i = 0; i < pdev->num_resources; i++) - dev_dbg(&pdev->dev, "%pR\n", &pdev->resource[i]); - - return 0; - -fail: - platform_device_put(pdev); - return ret; -} - -/* - * CSRT or Core System Resources Table is a proprietary ACPI table - * introduced by Microsoft. This table can contain devices that are not in - * the system DSDT table. In particular DMA controllers might be described - * here. - * - * We present these devices as normal platform devices that don't have ACPI - * IDs or handle. The platform device name will be something like - * <VENDOR><DEVID>.<n>.auto for example: INTL9C06.0.auto. - */ -void __init acpi_csrt_init(void) -{ - struct acpi_csrt_group *grp, *end; - struct acpi_table_csrt *csrt; - acpi_status status; - int ret; - - status = acpi_get_table(ACPI_SIG_CSRT, 0, - (struct acpi_table_header **)&csrt); - if (ACPI_FAILURE(status)) { - if (status != AE_NOT_FOUND) - pr_warn("failed to get the CSRT table\n"); - return; - } - - pr_debug("parsing CSRT table for devices\n"); - - grp = (struct acpi_csrt_group *)(csrt + 1); - end = (struct acpi_csrt_group *)((void *)csrt + csrt->header.length); - - while (grp < end) { - ret = acpi_csrt_parse_resource_group(grp); - if (ret) { - pr_warn("error in parsing resource group: %d\n", ret); - return; - } - - grp = (struct acpi_csrt_group *)((void *)grp + grp->length); - } -} diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index 96de787e6104..bc493aa3af19 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -37,68 +37,6 @@ #define _COMPONENT ACPI_POWER_COMPONENT ACPI_MODULE_NAME("device_pm"); -static DEFINE_MUTEX(acpi_pm_notifier_lock); - -/** - * acpi_add_pm_notifier - Register PM notifier for given ACPI device. - * @adev: ACPI device to add the notifier for. - * @context: Context information to pass to the notifier routine. - * - * NOTE: @adev need not be a run-wake or wakeup device to be a valid source of - * PM wakeup events. For example, wakeup events may be generated for bridges - * if one of the devices below the bridge is signaling wakeup, even if the - * bridge itself doesn't have a wakeup GPE associated with it. - */ -acpi_status acpi_add_pm_notifier(struct acpi_device *adev, - acpi_notify_handler handler, void *context) -{ - acpi_status status = AE_ALREADY_EXISTS; - - mutex_lock(&acpi_pm_notifier_lock); - - if (adev->wakeup.flags.notifier_present) - goto out; - - status = acpi_install_notify_handler(adev->handle, - ACPI_SYSTEM_NOTIFY, - handler, context); - if (ACPI_FAILURE(status)) - goto out; - - adev->wakeup.flags.notifier_present = true; - - out: - mutex_unlock(&acpi_pm_notifier_lock); - return status; -} - -/** - * acpi_remove_pm_notifier - Unregister PM notifier from given ACPI device. - * @adev: ACPI device to remove the notifier from. - */ -acpi_status acpi_remove_pm_notifier(struct acpi_device *adev, - acpi_notify_handler handler) -{ - acpi_status status = AE_BAD_PARAMETER; - - mutex_lock(&acpi_pm_notifier_lock); - - if (!adev->wakeup.flags.notifier_present) - goto out; - - status = acpi_remove_notify_handler(adev->handle, - ACPI_SYSTEM_NOTIFY, - handler); - if (ACPI_FAILURE(status)) - goto out; - - adev->wakeup.flags.notifier_present = false; - - out: - mutex_unlock(&acpi_pm_notifier_lock); - return status; -} - /** * acpi_power_state_string - String representation of ACPI device power state. * @state: ACPI device power state to return the string representation of. @@ -385,6 +323,69 @@ bool acpi_bus_power_manageable(acpi_handle handle) } EXPORT_SYMBOL(acpi_bus_power_manageable); +#ifdef CONFIG_PM +static DEFINE_MUTEX(acpi_pm_notifier_lock); + +/** + * acpi_add_pm_notifier - Register PM notifier for given ACPI device. + * @adev: ACPI device to add the notifier for. + * @context: Context information to pass to the notifier routine. + * + * NOTE: @adev need not be a run-wake or wakeup device to be a valid source of + * PM wakeup events. For example, wakeup events may be generated for bridges + * if one of the devices below the bridge is signaling wakeup, even if the + * bridge itself doesn't have a wakeup GPE associated with it. + */ +acpi_status acpi_add_pm_notifier(struct acpi_device *adev, + acpi_notify_handler handler, void *context) +{ + acpi_status status = AE_ALREADY_EXISTS; + + mutex_lock(&acpi_pm_notifier_lock); + + if (adev->wakeup.flags.notifier_present) + goto out; + + status = acpi_install_notify_handler(adev->handle, + ACPI_SYSTEM_NOTIFY, + handler, context); + if (ACPI_FAILURE(status)) + goto out; + + adev->wakeup.flags.notifier_present = true; + + out: + mutex_unlock(&acpi_pm_notifier_lock); + return status; +} + +/** + * acpi_remove_pm_notifier - Unregister PM notifier from given ACPI device. + * @adev: ACPI device to remove the notifier from. + */ +acpi_status acpi_remove_pm_notifier(struct acpi_device *adev, + acpi_notify_handler handler) +{ + acpi_status status = AE_BAD_PARAMETER; + + mutex_lock(&acpi_pm_notifier_lock); + + if (!adev->wakeup.flags.notifier_present) + goto out; + + status = acpi_remove_notify_handler(adev->handle, + ACPI_SYSTEM_NOTIFY, + handler); + if (ACPI_FAILURE(status)) + goto out; + + adev->wakeup.flags.notifier_present = false; + + out: + mutex_unlock(&acpi_pm_notifier_lock); + return status; +} + bool acpi_bus_can_wakeup(acpi_handle handle) { struct acpi_device *device; @@ -1023,3 +1024,4 @@ void acpi_dev_pm_remove_dependent(acpi_handle handle, struct device *depdev) mutex_unlock(&adev->physical_node_lock); } EXPORT_SYMBOL_GPL(acpi_dev_pm_remove_dependent); +#endif /* CONFIG_PM */ diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 6f1afd9118c8..297cbf456f86 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -35,7 +35,6 @@ void acpi_pci_link_init(void); void acpi_pci_root_hp_init(void); void acpi_platform_init(void); int acpi_sysfs_init(void); -void acpi_csrt_init(void); #ifdef CONFIG_ACPI_CONTAINER void acpi_container_init(void); #else diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index c1bc608339a6..44225cb15f3a 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -2043,7 +2043,6 @@ int __init acpi_scan_init(void) acpi_pci_link_init(); acpi_platform_init(); acpi_lpss_init(); - acpi_csrt_init(); acpi_container_init(); acpi_memory_hotplug_init(); diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 66f67626f02e..e6bd910bc6ed 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -161,6 +161,14 @@ static struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "UL30VT"), }, }, + { + .callback = video_detect_force_vendor, + .ident = "Asus UL30A", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"), + }, + }, { }, }; diff --git a/drivers/ata/acard-ahci.c b/drivers/ata/acard-ahci.c index 4e94ba29cb8d..9d0cf019ce59 100644 --- a/drivers/ata/acard-ahci.c +++ b/drivers/ata/acard-ahci.c @@ -2,7 +2,7 @@ /* * acard-ahci.c - ACard AHCI SATA support * - * Maintained by: Jeff Garzik <jgarzik@pobox.com> + * Maintained by: Tejun Heo <tj@kernel.org> * Please ALWAYS copy linux-ide@vger.kernel.org * on emails. * diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 251e57d38942..2b50dfdf1cfc 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -1,7 +1,7 @@ /* * ahci.c - AHCI SATA support * - * Maintained by: Jeff Garzik <jgarzik@pobox.com> + * Maintained by: Tejun Heo <tj@kernel.org> * Please ALWAYS copy linux-ide@vger.kernel.org * on emails. * @@ -423,6 +423,8 @@ static const struct pci_device_id ahci_pci_tbl[] = { .driver_data = board_ahci_yes_fbs }, /* 88se9125 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a), .driver_data = board_ahci_yes_fbs }, /* 88se9172 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172), + .driver_data = board_ahci_yes_fbs }, /* 88se9172 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9192), .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3), diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h index b830e6c9fe49..10b14d45cfd2 100644 --- a/drivers/ata/ahci.h +++ b/drivers/ata/ahci.h @@ -1,7 +1,7 @@ /* * ahci.h - Common AHCI SATA definitions and declarations * - * Maintained by: Jeff Garzik <jgarzik@pobox.com> + * Maintained by: Tejun Heo <tj@kernel.org> * Please ALWAYS copy linux-ide@vger.kernel.org * on emails. * diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 2f48123d74c4..9a8a674e8fac 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -1,7 +1,7 @@ /* * ata_piix.c - Intel PATA/SATA controllers * - * Maintained by: Jeff Garzik <jgarzik@pobox.com> + * Maintained by: Tejun Heo <tj@kernel.org> * Please ALWAYS copy linux-ide@vger.kernel.org * on emails. * @@ -151,6 +151,7 @@ enum piix_controller_ids { piix_pata_vmw, /* PIIX4 for VMware, spurious DMA_ERR */ ich8_sata_snb, ich8_2port_sata_snb, + ich8_2port_sata_byt, }; struct piix_map_db { @@ -334,6 +335,9 @@ static const struct pci_device_id piix_pci_tbl[] = { { 0x8086, 0x8d60, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb }, /* SATA Controller IDE (Wellsburg) */ { 0x8086, 0x8d68, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, + /* SATA Controller IDE (BayTrail) */ + { 0x8086, 0x0F20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt }, + { 0x8086, 0x0F21, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt }, { } /* terminate list */ }; @@ -441,6 +445,7 @@ static const struct piix_map_db *piix_map_db_table[] = { [tolapai_sata] = &tolapai_map_db, [ich8_sata_snb] = &ich8_map_db, [ich8_2port_sata_snb] = &ich8_2port_map_db, + [ich8_2port_sata_byt] = &ich8_2port_map_db, }; static struct pci_bits piix_enable_bits[] = { @@ -1254,6 +1259,16 @@ static struct ata_port_info piix_port_info[] = { .udma_mask = ATA_UDMA6, .port_ops = &piix_sata_ops, }, + + [ich8_2port_sata_byt] = + { + .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR | PIIX_FLAG_PIO16, + .pio_mask = ATA_PIO4, + .mwdma_mask = ATA_MWDMA2, + .udma_mask = ATA_UDMA6, + .port_ops = &piix_sata_ops, + }, + }; #define AHCI_PCI_BAR 5 diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index 34c82167b962..a70ff154f586 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -1,7 +1,7 @@ /* * libahci.c - Common AHCI SATA low-level routines * - * Maintained by: Jeff Garzik <jgarzik@pobox.com> + * Maintained by: Tejun Heo <tj@kernel.org> * Please ALWAYS copy linux-ide@vger.kernel.org * on emails. * diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 63c743baf920..f2184276539d 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1,7 +1,7 @@ /* * libata-core.c - helper library for ATA * - * Maintained by: Jeff Garzik <jgarzik@pobox.com> + * Maintained by: Tejun Heo <tj@kernel.org> * Please ALWAYS copy linux-ide@vger.kernel.org * on emails. * @@ -1602,6 +1602,12 @@ unsigned ata_exec_internal_sg(struct ata_device *dev, qc->tf = *tf; if (cdb) memcpy(qc->cdb, cdb, ATAPI_CDB_LEN); + + /* some SATA bridges need us to indicate data xfer direction */ + if (tf->protocol == ATAPI_PROT_DMA && (dev->flags & ATA_DFLAG_DMADIR) && + dma_dir == DMA_FROM_DEVICE) + qc->tf.feature |= ATAPI_DMADIR; + qc->flags |= ATA_QCFLAG_RESULT_TF; qc->dma_dir = dma_dir; if (dma_dir != DMA_NONE) { diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index f9476fb3ac43..c69fcce505c0 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -1,7 +1,7 @@ /* * libata-eh.c - libata error handling * - * Maintained by: Jeff Garzik <jgarzik@pobox.com> + * Maintained by: Tejun Heo <tj@kernel.org> * Please ALWAYS copy linux-ide@vger.kernel.org * on emails. * diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index dd310b27b24c..0101af541436 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -1,7 +1,7 @@ /* * libata-scsi.c - helper library for ATA * - * Maintained by: Jeff Garzik <jgarzik@pobox.com> + * Maintained by: Tejun Heo <tj@kernel.org> * Please ALWAYS copy linux-ide@vger.kernel.org * on emails. * diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index d8af325a6bda..b603720b877d 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -1,7 +1,7 @@ /* * libata-sff.c - helper library for PCI IDE BMDMA * - * Maintained by: Jeff Garzik <jgarzik@pobox.com> + * Maintained by: Tejun Heo <tj@kernel.org> * Please ALWAYS copy linux-ide@vger.kernel.org * on emails. * diff --git a/drivers/ata/pdc_adma.c b/drivers/ata/pdc_adma.c index 505333340ad5..8ea6e6afd041 100644 --- a/drivers/ata/pdc_adma.c +++ b/drivers/ata/pdc_adma.c @@ -1,7 +1,7 @@ /* * pdc_adma.c - Pacific Digital Corporation ADMA * - * Maintained by: Mark Lord <mlord@pobox.com> + * Maintained by: Tejun Heo <tj@kernel.org> * * Copyright 2005 Mark Lord * diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index fb0dd87f8893..958ba2a420c3 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -1,7 +1,7 @@ /* * sata_promise.c - Promise SATA * - * Maintained by: Jeff Garzik <jgarzik@pobox.com> + * Maintained by: Tejun Heo <tj@kernel.org> * Mikael Pettersson <mikpe@it.uu.se> * Please ALWAYS copy linux-ide@vger.kernel.org * on emails. diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c index 4799868bd733..249c8a289bfd 100644 --- a/drivers/ata/sata_rcar.c +++ b/drivers/ata/sata_rcar.c @@ -549,6 +549,7 @@ static void sata_rcar_bmdma_start(struct ata_queued_cmd *qc) /* start host DMA transaction */ dmactl = ioread32(priv->base + ATAPI_CONTROL1_REG); + dmactl &= ~ATAPI_CONTROL1_STOP; dmactl |= ATAPI_CONTROL1_START; iowrite32(dmactl, priv->base + ATAPI_CONTROL1_REG); } @@ -618,17 +619,16 @@ static struct ata_port_operations sata_rcar_port_ops = { .bmdma_status = sata_rcar_bmdma_status, }; -static int sata_rcar_serr_interrupt(struct ata_port *ap) +static void sata_rcar_serr_interrupt(struct ata_port *ap) { struct sata_rcar_priv *priv = ap->host->private_data; struct ata_eh_info *ehi = &ap->link.eh_info; int freeze = 0; - int handled = 0; u32 serror; serror = ioread32(priv->base + SCRSERR_REG); if (!serror) - return 0; + return; DPRINTK("SError @host_intr: 0x%x\n", serror); @@ -641,7 +641,6 @@ static int sata_rcar_serr_interrupt(struct ata_port *ap) ata_ehi_push_desc(ehi, "%s", "hotplug"); freeze = serror & SERR_COMM_WAKE ? 0 : 1; - handled = 1; } /* freeze or abort */ @@ -649,11 +648,9 @@ static int sata_rcar_serr_interrupt(struct ata_port *ap) ata_port_freeze(ap); else ata_port_abort(ap); - - return handled; } -static int sata_rcar_ata_interrupt(struct ata_port *ap) +static void sata_rcar_ata_interrupt(struct ata_port *ap) { struct ata_queued_cmd *qc; int handled = 0; @@ -662,7 +659,9 @@ static int sata_rcar_ata_interrupt(struct ata_port *ap) if (qc) handled |= ata_bmdma_port_intr(ap, qc); - return handled; + /* be sure to clear ATA interrupt */ + if (!handled) + sata_rcar_check_status(ap); } static irqreturn_t sata_rcar_interrupt(int irq, void *dev_instance) @@ -677,20 +676,21 @@ static irqreturn_t sata_rcar_interrupt(int irq, void *dev_instance) spin_lock_irqsave(&host->lock, flags); sataintstat = ioread32(priv->base + SATAINTSTAT_REG); + sataintstat &= SATA_RCAR_INT_MASK; if (!sataintstat) goto done; /* ack */ - iowrite32(sataintstat & ~SATA_RCAR_INT_MASK, - priv->base + SATAINTSTAT_REG); + iowrite32(~sataintstat & 0x7ff, priv->base + SATAINTSTAT_REG); ap = host->ports[0]; if (sataintstat & SATAINTSTAT_ATA) - handled |= sata_rcar_ata_interrupt(ap); + sata_rcar_ata_interrupt(ap); if (sataintstat & SATAINTSTAT_SERR) - handled |= sata_rcar_serr_interrupt(ap); + sata_rcar_serr_interrupt(ap); + handled = 1; done: spin_unlock_irqrestore(&host->lock, flags); diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c index a7b31672c4b7..0ae3ca4bf5c0 100644 --- a/drivers/ata/sata_sil.c +++ b/drivers/ata/sata_sil.c @@ -1,7 +1,7 @@ /* * sata_sil.c - Silicon Image SATA * - * Maintained by: Jeff Garzik <jgarzik@pobox.com> + * Maintained by: Tejun Heo <tj@kernel.org> * Please ALWAYS copy linux-ide@vger.kernel.org * on emails. * diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c index 7b7127a58f51..9947010afc0f 100644 --- a/drivers/ata/sata_sx4.c +++ b/drivers/ata/sata_sx4.c @@ -1,7 +1,7 @@ /* * sata_sx4.c - Promise SATA * - * Maintained by: Jeff Garzik <jgarzik@pobox.com> + * Maintained by: Tejun Heo <tj@kernel.org> * Please ALWAYS copy linux-ide@vger.kernel.org * on emails. * diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c index 5913ea9d57b2..87f056e54a9d 100644 --- a/drivers/ata/sata_via.c +++ b/drivers/ata/sata_via.c @@ -1,7 +1,7 @@ /* * sata_via.c - VIA Serial ATA controllers * - * Maintained by: Jeff Garzik <jgarzik@pobox.com> + * Maintained by: Tejun Heo <tj@kernel.org> * Please ALWAYS copy linux-ide@vger.kernel.org * on emails. * diff --git a/drivers/block/brd.c b/drivers/block/brd.c index f1a29f8e9d33..9bf4371755f2 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -117,13 +117,13 @@ static struct page *brd_insert_page(struct brd_device *brd, sector_t sector) spin_lock(&brd->brd_lock); idx = sector >> PAGE_SECTORS_SHIFT; + page->index = idx; if (radix_tree_insert(&brd->brd_pages, idx, page)) { __free_page(page); page = radix_tree_lookup(&brd->brd_pages, idx); BUG_ON(!page); BUG_ON(page->index != idx); - } else - page->index = idx; + } spin_unlock(&brd->brd_lock); radix_tree_preload_end(); diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c index f8ef15f37c5e..3fd130fdfbc1 100644 --- a/drivers/block/xsysace.c +++ b/drivers/block/xsysace.c @@ -1160,8 +1160,7 @@ static int ace_probe(struct platform_device *dev) dev_dbg(&dev->dev, "ace_probe(%p)\n", dev); /* device id and bus width */ - of_property_read_u32(dev->dev.of_node, "port-number", &id); - if (id < 0) + if (of_property_read_u32(dev->dev.of_node, "port-number", &id)) id = 0; if (of_find_property(dev->dev.of_node, "8-bit", NULL)) bus_width = ACE_BUS_WIDTH_8; diff --git a/drivers/char/random.c b/drivers/char/random.c index cd9a6211dcad..35487e8ded59 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -865,16 +865,24 @@ static size_t account(struct entropy_store *r, size_t nbytes, int min, if (r->entropy_count / 8 < min + reserved) { nbytes = 0; } else { + int entropy_count, orig; +retry: + entropy_count = orig = ACCESS_ONCE(r->entropy_count); /* If limited, never pull more than available */ - if (r->limit && nbytes + reserved >= r->entropy_count / 8) - nbytes = r->entropy_count/8 - reserved; - - if (r->entropy_count / 8 >= nbytes + reserved) - r->entropy_count -= nbytes*8; - else - r->entropy_count = reserved; + if (r->limit && nbytes + reserved >= entropy_count / 8) + nbytes = entropy_count/8 - reserved; + + if (entropy_count / 8 >= nbytes + reserved) { + entropy_count -= nbytes*8; + if (cmpxchg(&r->entropy_count, orig, entropy_count) != orig) + goto retry; + } else { + entropy_count = reserved; + if (cmpxchg(&r->entropy_count, orig, entropy_count) != orig) + goto retry; + } - if (r->entropy_count < random_write_wakeup_thresh) + if (entropy_count < random_write_wakeup_thresh) wakeup_write = 1; } @@ -957,10 +965,23 @@ static ssize_t extract_entropy(struct entropy_store *r, void *buf, { ssize_t ret = 0, i; __u8 tmp[EXTRACT_SIZE]; + unsigned long flags; /* if last_data isn't primed, we need EXTRACT_SIZE extra bytes */ - if (fips_enabled && !r->last_data_init) - nbytes += EXTRACT_SIZE; + if (fips_enabled) { + spin_lock_irqsave(&r->lock, flags); + if (!r->last_data_init) { + r->last_data_init = true; + spin_unlock_irqrestore(&r->lock, flags); + trace_extract_entropy(r->name, EXTRACT_SIZE, + r->entropy_count, _RET_IP_); + xfer_secondary_pool(r, EXTRACT_SIZE); + extract_buf(r, tmp); + spin_lock_irqsave(&r->lock, flags); + memcpy(r->last_data, tmp, EXTRACT_SIZE); + } + spin_unlock_irqrestore(&r->lock, flags); + } trace_extract_entropy(r->name, nbytes, r->entropy_count, _RET_IP_); xfer_secondary_pool(r, nbytes); @@ -970,19 +991,6 @@ static ssize_t extract_entropy(struct entropy_store *r, void *buf, extract_buf(r, tmp); if (fips_enabled) { - unsigned long flags; - - - /* prime last_data value if need be, per fips 140-2 */ - if (!r->last_data_init) { - spin_lock_irqsave(&r->lock, flags); - memcpy(r->last_data, tmp, EXTRACT_SIZE); - r->last_data_init = true; - nbytes -= EXTRACT_SIZE; - spin_unlock_irqrestore(&r->lock, flags); - extract_buf(r, tmp); - } - spin_lock_irqsave(&r->lock, flags); if (!memcmp(tmp, r->last_data, EXTRACT_SIZE)) panic("Hardware RNG duplicated output!\n"); diff --git a/drivers/clk/clk-si5351.c b/drivers/clk/clk-si5351.c index 892728412e9d..24f553673b72 100644 --- a/drivers/clk/clk-si5351.c +++ b/drivers/clk/clk-si5351.c @@ -932,7 +932,7 @@ static unsigned long si5351_clkout_recalc_rate(struct clk_hw *hw, unsigned char reg; unsigned char rdiv; - if (hwdata->num > 5) + if (hwdata->num <= 5) reg = si5351_msynth_params_address(hwdata->num) + 2; else reg = SI5351_CLK6_7_OUTPUT_DIVIDER; @@ -1477,6 +1477,16 @@ static int si5351_i2c_probe(struct i2c_client *client, return -EINVAL; } drvdata->onecell.clks[n] = clk; + + /* set initial clkout rate */ + if (pdata->clkout[n].rate != 0) { + int ret; + ret = clk_set_rate(clk, pdata->clkout[n].rate); + if (ret != 0) { + dev_err(&client->dev, "Cannot set rate : %d\n", + ret); + } + } } ret = of_clk_add_provider(client->dev.of_node, of_clk_src_onecell_get, diff --git a/drivers/clk/clk-vt8500.c b/drivers/clk/clk-vt8500.c index debf688afa8e..553ac35bcc91 100644 --- a/drivers/clk/clk-vt8500.c +++ b/drivers/clk/clk-vt8500.c @@ -183,7 +183,7 @@ static int vt8500_dclk_set_rate(struct clk_hw *hw, unsigned long rate, writel(divisor, cdev->div_reg); vt8500_pmc_wait_busy(); - spin_lock_irqsave(cdev->lock, flags); + spin_unlock_irqrestore(cdev->lock, flags); return 0; } diff --git a/drivers/clk/mxs/clk-imx28.c b/drivers/clk/mxs/clk-imx28.c index d0e5eed146de..4faf0afc44cd 100644 --- a/drivers/clk/mxs/clk-imx28.c +++ b/drivers/clk/mxs/clk-imx28.c @@ -10,6 +10,7 @@ */ #include <linux/clk.h> +#include <linux/clk/mxs.h> #include <linux/clkdev.h> #include <linux/err.h> #include <linux/init.h> diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c index d0940e69d034..3c1f88868f29 100644 --- a/drivers/clk/samsung/clk-exynos4.c +++ b/drivers/clk/samsung/clk-exynos4.c @@ -791,7 +791,8 @@ struct samsung_gate_clock exynos4210_gate_clks[] __initdata = { GATE(smmu_pcie, "smmu_pcie", "aclk133", GATE_IP_FSYS, 18, 0, 0), GATE(modemif, "modemif", "aclk100", GATE_IP_PERIL, 28, 0, 0), GATE(chipid, "chipid", "aclk100", E4210_GATE_IP_PERIR, 0, 0, 0), - GATE(sysreg, "sysreg", "aclk100", E4210_GATE_IP_PERIR, 0, 0, 0), + GATE(sysreg, "sysreg", "aclk100", E4210_GATE_IP_PERIR, 0, + CLK_IGNORE_UNUSED, 0), GATE(hdmi_cec, "hdmi_cec", "aclk100", E4210_GATE_IP_PERIR, 11, 0, 0), GATE(smmu_rotator, "smmu_rotator", "aclk200", E4210_GATE_IP_IMAGE, 4, 0, 0), @@ -819,7 +820,8 @@ struct samsung_gate_clock exynos4x12_gate_clks[] __initdata = { GATE(smmu_mdma, "smmu_mdma", "aclk200", E4X12_GATE_IP_IMAGE, 5, 0, 0), GATE(mipi_hsi, "mipi_hsi", "aclk133", GATE_IP_FSYS, 10, 0, 0), GATE(chipid, "chipid", "aclk100", E4X12_GATE_IP_PERIR, 0, 0, 0), - GATE(sysreg, "sysreg", "aclk100", E4X12_GATE_IP_PERIR, 1, 0, 0), + GATE(sysreg, "sysreg", "aclk100", E4X12_GATE_IP_PERIR, 1, + CLK_IGNORE_UNUSED, 0), GATE(hdmi_cec, "hdmi_cec", "aclk100", E4X12_GATE_IP_PERIR, 11, 0, 0), GATE(sclk_mdnie0, "sclk_mdnie0", "div_mdnie0", SRC_MASK_LCD0, 4, CLK_SET_RATE_PARENT, 0), diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c index 8292a00c3de9..075db0c99edb 100644 --- a/drivers/clk/tegra/clk-tegra20.c +++ b/drivers/clk/tegra/clk-tegra20.c @@ -872,6 +872,14 @@ static void __init tegra20_periph_clk_init(void) struct clk *clk; int i; + /* ac97 */ + clk = tegra_clk_register_periph_gate("ac97", "pll_a_out0", + TEGRA_PERIPH_ON_APB, + clk_base, 0, 3, &periph_l_regs, + periph_clk_enb_refcnt); + clk_register_clkdev(clk, NULL, "tegra20-ac97"); + clks[ac97] = clk; + /* apbdma */ clk = tegra_clk_register_periph_gate("apbdma", "pclk", 0, clk_base, 0, 34, &periph_h_regs, @@ -1234,9 +1242,6 @@ static __initdata struct tegra_clk_init_table init_table[] = { {uartc, pll_p, 0, 0}, {uartd, pll_p, 0, 0}, {uarte, pll_p, 0, 0}, - {usbd, clk_max, 12000000, 0}, - {usb2, clk_max, 12000000, 0}, - {usb3, clk_max, 12000000, 0}, {pll_a, clk_max, 56448000, 1}, {pll_a_out0, clk_max, 11289600, 1}, {cdev1, clk_max, 0, 1}, diff --git a/drivers/clk/ux500/clk-sysctrl.c b/drivers/clk/ux500/clk-sysctrl.c index bc7e9bde792b..e364c9d4aa60 100644 --- a/drivers/clk/ux500/clk-sysctrl.c +++ b/drivers/clk/ux500/clk-sysctrl.c @@ -145,7 +145,13 @@ static struct clk *clk_reg_sysctrl(struct device *dev, return ERR_PTR(-ENOMEM); } - for (i = 0; i < num_parents; i++) { + /* set main clock registers */ + clk->reg_sel[0] = reg_sel[0]; + clk->reg_bits[0] = reg_bits[0]; + clk->reg_mask[0] = reg_mask[0]; + + /* handle clocks with more than one parent */ + for (i = 1; i < num_parents; i++) { clk->reg_sel[i] = reg_sel[i]; clk->reg_bits[i] = reg_bits[i]; clk->reg_mask[i] = reg_mask[i]; diff --git a/drivers/clk/ux500/u8500_clk.c b/drivers/clk/ux500/u8500_clk.c index 0b4f35a5ffc2..80069c370a47 100644 --- a/drivers/clk/ux500/u8500_clk.c +++ b/drivers/clk/ux500/u8500_clk.c @@ -325,7 +325,7 @@ void u8500_clk_init(u32 clkrst1_base, u32 clkrst2_base, u32 clkrst3_base, clk = clk_reg_prcc_pclk("p3_pclk0", "per3clk", clkrst3_base, BIT(0), 0); clk_register_clkdev(clk, "fsmc", NULL); - clk_register_clkdev(clk, NULL, "smsc911x"); + clk_register_clkdev(clk, NULL, "smsc911x.0"); clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", clkrst3_base, BIT(1), 0); diff --git a/drivers/clk/x86/clk-lpt.c b/drivers/clk/x86/clk-lpt.c index 5cf4f4686406..4f45eee9e33b 100644 --- a/drivers/clk/x86/clk-lpt.c +++ b/drivers/clk/x86/clk-lpt.c @@ -15,22 +15,29 @@ #include <linux/clk-provider.h> #include <linux/err.h> #include <linux/module.h> +#include <linux/platform_data/clk-lpss.h> #include <linux/platform_device.h> #define PRV_CLOCK_PARAMS 0x800 static int lpt_clk_probe(struct platform_device *pdev) { + struct lpss_clk_data *drvdata; struct clk *clk; + drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), GFP_KERNEL); + if (!drvdata) + return -ENOMEM; + /* LPSS free running clock */ - clk = clk_register_fixed_rate(&pdev->dev, "lpss_clk", NULL, CLK_IS_ROOT, - 100000000); + drvdata->name = "lpss_clk"; + clk = clk_register_fixed_rate(&pdev->dev, drvdata->name, NULL, + CLK_IS_ROOT, 100000000); if (IS_ERR(clk)) return PTR_ERR(clk); - /* Shared DMA clock */ - clk_register_clkdev(clk, "hclk", "INTL9C60.0.auto"); + drvdata->clk = clk; + platform_set_drvdata(pdev, drvdata); return 0; } diff --git a/drivers/cpufreq/Kconfig.x86 b/drivers/cpufreq/Kconfig.x86 index 2b8a8c374548..6bd63d63d356 100644 --- a/drivers/cpufreq/Kconfig.x86 +++ b/drivers/cpufreq/Kconfig.x86 @@ -272,7 +272,7 @@ config X86_LONGHAUL config X86_E_POWERSAVER tristate "VIA C7 Enhanced PowerSaver (DANGEROUS)" select CPU_FREQ_TABLE - depends on X86_32 + depends on X86_32 && ACPI_PROCESSOR help This adds the CPUFreq driver for VIA C7 processors. However, this driver does not have any safeguards to prevent operating the CPU out of spec diff --git a/drivers/cpufreq/arm_big_little_dt.c b/drivers/cpufreq/arm_big_little_dt.c index 173ed059d95f..fd9e3ea6a480 100644 --- a/drivers/cpufreq/arm_big_little_dt.c +++ b/drivers/cpufreq/arm_big_little_dt.c @@ -19,70 +19,75 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +#include <linux/cpu.h> #include <linux/cpufreq.h> #include <linux/device.h> #include <linux/export.h> #include <linux/module.h> #include <linux/of.h> #include <linux/opp.h> +#include <linux/platform_device.h> #include <linux/slab.h> #include <linux/types.h> #include "arm_big_little.h" -static int dt_init_opp_table(struct device *cpu_dev) +/* get cpu node with valid operating-points */ +static struct device_node *get_cpu_node_with_valid_op(int cpu) { - struct device_node *np, *parent; - int count = 0, ret; + struct device_node *np = NULL, *parent; + int count = 0; parent = of_find_node_by_path("/cpus"); if (!parent) { pr_err("failed to find OF /cpus\n"); - return -ENOENT; + return NULL; } for_each_child_of_node(parent, np) { - if (count++ != cpu_dev->id) + if (count++ != cpu) continue; if (!of_get_property(np, "operating-points", NULL)) { - ret = -ENODATA; - } else { - cpu_dev->of_node = np; - ret = of_init_opp_table(cpu_dev); + of_node_put(np); + np = NULL; } - of_node_put(np); - of_node_put(parent); - return ret; + break; } - return -ENODEV; + of_node_put(parent); + return np; +} + +static int dt_init_opp_table(struct device *cpu_dev) +{ + struct device_node *np; + int ret; + + np = get_cpu_node_with_valid_op(cpu_dev->id); + if (!np) + return -ENODATA; + + cpu_dev->of_node = np; + ret = of_init_opp_table(cpu_dev); + of_node_put(np); + + return ret; } static int dt_get_transition_latency(struct device *cpu_dev) { - struct device_node *np, *parent; + struct device_node *np; u32 transition_latency = CPUFREQ_ETERNAL; - int count = 0; - parent = of_find_node_by_path("/cpus"); - if (!parent) { - pr_info("Failed to find OF /cpus. Use CPUFREQ_ETERNAL transition latency\n"); + np = get_cpu_node_with_valid_op(cpu_dev->id); + if (!np) return CPUFREQ_ETERNAL; - } - - for_each_child_of_node(parent, np) { - if (count++ != cpu_dev->id) - continue; - of_property_read_u32(np, "clock-latency", &transition_latency); - of_node_put(np); - of_node_put(parent); + of_property_read_u32(np, "clock-latency", &transition_latency); + of_node_put(np); - return transition_latency; - } - - pr_info("clock-latency isn't found, use CPUFREQ_ETERNAL transition latency\n"); - return CPUFREQ_ETERNAL; + pr_debug("%s: clock-latency: %d\n", __func__, transition_latency); + return transition_latency; } static struct cpufreq_arm_bL_ops dt_bL_ops = { @@ -91,17 +96,33 @@ static struct cpufreq_arm_bL_ops dt_bL_ops = { .init_opp_table = dt_init_opp_table, }; -static int generic_bL_init(void) +static int generic_bL_probe(struct platform_device *pdev) { + struct device_node *np; + + np = get_cpu_node_with_valid_op(0); + if (!np) + return -ENODEV; + + of_node_put(np); return bL_cpufreq_register(&dt_bL_ops); } -module_init(generic_bL_init); -static void generic_bL_exit(void) +static int generic_bL_remove(struct platform_device *pdev) { - return bL_cpufreq_unregister(&dt_bL_ops); + bL_cpufreq_unregister(&dt_bL_ops); + return 0; } -module_exit(generic_bL_exit); + +static struct platform_driver generic_bL_platdrv = { + .driver = { + .name = "arm-bL-cpufreq-dt", + .owner = THIS_MODULE, + }, + .probe = generic_bL_probe, + .remove = generic_bL_remove, +}; +module_platform_driver(generic_bL_platdrv); MODULE_AUTHOR("Viresh Kumar <viresh.kumar@linaro.org>"); MODULE_DESCRIPTION("Generic ARM big LITTLE cpufreq driver via DT"); diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 4b8c7f297d74..2d53f47d1747 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1729,18 +1729,23 @@ static int __cpufreq_set_policy(struct cpufreq_policy *data, /* end old governor */ if (data->governor) { __cpufreq_governor(data, CPUFREQ_GOV_STOP); + unlock_policy_rwsem_write(policy->cpu); __cpufreq_governor(data, CPUFREQ_GOV_POLICY_EXIT); + lock_policy_rwsem_write(policy->cpu); } /* start new governor */ data->governor = policy->governor; if (!__cpufreq_governor(data, CPUFREQ_GOV_POLICY_INIT)) { - if (!__cpufreq_governor(data, CPUFREQ_GOV_START)) + if (!__cpufreq_governor(data, CPUFREQ_GOV_START)) { failed = 0; - else + } else { + unlock_policy_rwsem_write(policy->cpu); __cpufreq_governor(data, CPUFREQ_GOV_POLICY_EXIT); + lock_policy_rwsem_write(policy->cpu); + } } if (failed) { diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 9c36ace92a39..07f2840ad805 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -521,6 +521,7 @@ static void intel_pstate_timer_func(unsigned long __data) static const struct x86_cpu_id intel_pstate_cpu_ids[] = { ICPU(0x2a, default_policy), ICPU(0x2d, default_policy), + ICPU(0x3a, default_policy), {} }; MODULE_DEVICE_TABLE(x86cpu, intel_pstate_cpu_ids); diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c index 765fdf5ce579..bf416a8391a7 100644 --- a/drivers/crypto/caam/caamalg.c +++ b/drivers/crypto/caam/caamalg.c @@ -1154,7 +1154,7 @@ static struct aead_edesc *aead_edesc_alloc(struct aead_request *req, dst_nents = sg_count(req->dst, req->cryptlen, &dst_chained); sgc = dma_map_sg_chained(jrdev, req->assoc, assoc_nents ? : 1, - DMA_BIDIRECTIONAL, assoc_chained); + DMA_TO_DEVICE, assoc_chained); if (likely(req->src == req->dst)) { sgc = dma_map_sg_chained(jrdev, req->src, src_nents ? : 1, DMA_BIDIRECTIONAL, src_chained); @@ -1336,7 +1336,7 @@ static struct aead_edesc *aead_giv_edesc_alloc(struct aead_givcrypt_request dst_nents = sg_count(req->dst, req->cryptlen, &dst_chained); sgc = dma_map_sg_chained(jrdev, req->assoc, assoc_nents ? : 1, - DMA_BIDIRECTIONAL, assoc_chained); + DMA_TO_DEVICE, assoc_chained); if (likely(req->src == req->dst)) { sgc = dma_map_sg_chained(jrdev, req->src, src_nents ? : 1, DMA_BIDIRECTIONAL, src_chained); diff --git a/drivers/dma/acpi-dma.c b/drivers/dma/acpi-dma.c index ba6fc62e9651..5a18f82f732a 100644 --- a/drivers/dma/acpi-dma.c +++ b/drivers/dma/acpi-dma.c @@ -4,7 +4,8 @@ * Based on of-dma.c * * Copyright (C) 2013, Intel Corporation - * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com> + * Authors: Andy Shevchenko <andriy.shevchenko@linux.intel.com> + * Mika Westerberg <mika.westerberg@linux.intel.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -16,6 +17,7 @@ #include <linux/list.h> #include <linux/mutex.h> #include <linux/slab.h> +#include <linux/ioport.h> #include <linux/acpi.h> #include <linux/acpi_dma.h> @@ -23,6 +25,117 @@ static LIST_HEAD(acpi_dma_list); static DEFINE_MUTEX(acpi_dma_lock); /** + * acpi_dma_parse_resource_group - match device and parse resource group + * @grp: CSRT resource group + * @adev: ACPI device to match with + * @adma: struct acpi_dma of the given DMA controller + * + * Returns 1 on success, 0 when no information is available, or appropriate + * errno value on error. + * + * In order to match a device from DSDT table to the corresponding CSRT device + * we use MMIO address and IRQ. + */ +static int acpi_dma_parse_resource_group(const struct acpi_csrt_group *grp, + struct acpi_device *adev, struct acpi_dma *adma) +{ + const struct acpi_csrt_shared_info *si; + struct list_head resource_list; + struct resource_list_entry *rentry; + resource_size_t mem = 0, irq = 0; + u32 vendor_id; + int ret; + + if (grp->shared_info_length != sizeof(struct acpi_csrt_shared_info)) + return -ENODEV; + + INIT_LIST_HEAD(&resource_list); + ret = acpi_dev_get_resources(adev, &resource_list, NULL, NULL); + if (ret <= 0) + return 0; + + list_for_each_entry(rentry, &resource_list, node) { + if (resource_type(&rentry->res) == IORESOURCE_MEM) + mem = rentry->res.start; + else if (resource_type(&rentry->res) == IORESOURCE_IRQ) + irq = rentry->res.start; + } + + acpi_dev_free_resource_list(&resource_list); + + /* Consider initial zero values as resource not found */ + if (mem == 0 && irq == 0) + return 0; + + si = (const struct acpi_csrt_shared_info *)&grp[1]; + + /* Match device by MMIO and IRQ */ + if (si->mmio_base_low != mem || si->gsi_interrupt != irq) + return 0; + + vendor_id = le32_to_cpu(grp->vendor_id); + dev_dbg(&adev->dev, "matches with %.4s%04X (rev %u)\n", + (char *)&vendor_id, grp->device_id, grp->revision); + + /* Check if the request line range is available */ + if (si->base_request_line == 0 && si->num_handshake_signals == 0) + return 0; + + adma->base_request_line = si->base_request_line; + adma->end_request_line = si->base_request_line + + si->num_handshake_signals - 1; + + dev_dbg(&adev->dev, "request line base: 0x%04x end: 0x%04x\n", + adma->base_request_line, adma->end_request_line); + + return 1; +} + +/** + * acpi_dma_parse_csrt - parse CSRT to exctract additional DMA resources + * @adev: ACPI device to match with + * @adma: struct acpi_dma of the given DMA controller + * + * CSRT or Core System Resources Table is a proprietary ACPI table + * introduced by Microsoft. This table can contain devices that are not in + * the system DSDT table. In particular DMA controllers might be described + * here. + * + * We are using this table to get the request line range of the specific DMA + * controller to be used later. + * + */ +static void acpi_dma_parse_csrt(struct acpi_device *adev, struct acpi_dma *adma) +{ + struct acpi_csrt_group *grp, *end; + struct acpi_table_csrt *csrt; + acpi_status status; + int ret; + + status = acpi_get_table(ACPI_SIG_CSRT, 0, + (struct acpi_table_header **)&csrt); + if (ACPI_FAILURE(status)) { + if (status != AE_NOT_FOUND) + dev_warn(&adev->dev, "failed to get the CSRT table\n"); + return; + } + + grp = (struct acpi_csrt_group *)(csrt + 1); + end = (struct acpi_csrt_group *)((void *)csrt + csrt->header.length); + + while (grp < end) { + ret = acpi_dma_parse_resource_group(grp, adev, adma); + if (ret < 0) { + dev_warn(&adev->dev, + "error in parsing resource group\n"); + return; + } + + grp = (struct acpi_csrt_group *)((void *)grp + grp->length); + } +} + +/** * acpi_dma_controller_register - Register a DMA controller to ACPI DMA helpers * @dev: struct device of DMA controller * @acpi_dma_xlate: translation function which converts a dma specifier @@ -61,6 +174,8 @@ int acpi_dma_controller_register(struct device *dev, adma->acpi_dma_xlate = acpi_dma_xlate; adma->data = data; + acpi_dma_parse_csrt(adev, adma); + /* Now queue acpi_dma controller structure in list */ mutex_lock(&acpi_dma_lock); list_add_tail(&adma->dma_controllers, &acpi_dma_list); @@ -149,6 +264,45 @@ void devm_acpi_dma_controller_free(struct device *dev) } EXPORT_SYMBOL_GPL(devm_acpi_dma_controller_free); +/** + * acpi_dma_update_dma_spec - prepare dma specifier to pass to translation function + * @adma: struct acpi_dma of DMA controller + * @dma_spec: dma specifier to update + * + * Returns 0, if no information is avaiable, -1 on mismatch, and 1 otherwise. + * + * Accordingly to ACPI 5.0 Specification Table 6-170 "Fixed DMA Resource + * Descriptor": + * DMA Request Line bits is a platform-relative number uniquely + * identifying the request line assigned. Request line-to-Controller + * mapping is done in a controller-specific OS driver. + * That's why we can safely adjust slave_id when the appropriate controller is + * found. + */ +static int acpi_dma_update_dma_spec(struct acpi_dma *adma, + struct acpi_dma_spec *dma_spec) +{ + /* Set link to the DMA controller device */ + dma_spec->dev = adma->dev; + + /* Check if the request line range is available */ + if (adma->base_request_line == 0 && adma->end_request_line == 0) + return 0; + + /* Check if slave_id falls to the range */ + if (dma_spec->slave_id < adma->base_request_line || + dma_spec->slave_id > adma->end_request_line) + return -1; + + /* + * Here we adjust slave_id. It should be a relative number to the base + * request line. + */ + dma_spec->slave_id -= adma->base_request_line; + + return 1; +} + struct acpi_dma_parser_data { struct acpi_dma_spec dma_spec; size_t index; @@ -193,6 +347,7 @@ struct dma_chan *acpi_dma_request_slave_chan_by_index(struct device *dev, struct acpi_device *adev; struct acpi_dma *adma; struct dma_chan *chan = NULL; + int found; /* Check if the device was enumerated by ACPI */ if (!dev || !ACPI_HANDLE(dev)) @@ -219,9 +374,20 @@ struct dma_chan *acpi_dma_request_slave_chan_by_index(struct device *dev, mutex_lock(&acpi_dma_lock); list_for_each_entry(adma, &acpi_dma_list, dma_controllers) { - dma_spec->dev = adma->dev; + /* + * We are not going to call translation function if slave_id + * doesn't fall to the request range. + */ + found = acpi_dma_update_dma_spec(adma, dma_spec); + if (found < 0) + continue; chan = adma->acpi_dma_xlate(dma_spec, adma); - if (chan) + /* + * Try to get a channel only from the DMA controller that + * matches the slave_id. See acpi_dma_update_dma_spec() + * description for the details. + */ + if (found > 0 || chan) break; } diff --git a/drivers/edac/amd64_edac_inj.c b/drivers/edac/amd64_edac_inj.c index 8c171fa1cb9b..845f04786c2d 100644 --- a/drivers/edac/amd64_edac_inj.c +++ b/drivers/edac/amd64_edac_inj.c @@ -202,9 +202,9 @@ static DEVICE_ATTR(inject_word, S_IRUGO | S_IWUSR, amd64_inject_word_show, amd64_inject_word_store); static DEVICE_ATTR(inject_ecc_vector, S_IRUGO | S_IWUSR, amd64_inject_ecc_vector_show, amd64_inject_ecc_vector_store); -static DEVICE_ATTR(inject_write, S_IRUGO | S_IWUSR, +static DEVICE_ATTR(inject_write, S_IWUSR, NULL, amd64_inject_write_store); -static DEVICE_ATTR(inject_read, S_IRUGO | S_IWUSR, +static DEVICE_ATTR(inject_read, S_IWUSR, NULL, amd64_inject_read_store); diff --git a/drivers/firmware/efi/efivars.c b/drivers/firmware/efi/efivars.c index b623c599e572..8bd1bb6dbe47 100644 --- a/drivers/firmware/efi/efivars.c +++ b/drivers/firmware/efi/efivars.c @@ -523,13 +523,11 @@ static void efivar_update_sysfs_entries(struct work_struct *work) struct efivar_entry *entry; int err; - entry = kzalloc(sizeof(*entry), GFP_KERNEL); - if (!entry) - return; - /* Add new sysfs entries */ while (1) { - memset(entry, 0, sizeof(*entry)); + entry = kzalloc(sizeof(*entry), GFP_KERNEL); + if (!entry) + return; err = efivar_init(efivar_update_sysfs_entry, entry, true, false, &efivar_sysfs_list); diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index e8894bc9e6d5..c200e4d71e3d 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -48,6 +48,8 @@ struct exynos_drm_crtc { unsigned int pipe; unsigned int dpms; enum exynos_crtc_mode mode; + wait_queue_head_t pending_flip_queue; + atomic_t pending_flip; }; static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode) @@ -61,6 +63,13 @@ static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode) return; } + if (mode > DRM_MODE_DPMS_ON) { + /* wait for the completion of page flip. */ + wait_event(exynos_crtc->pending_flip_queue, + atomic_read(&exynos_crtc->pending_flip) == 0); + drm_vblank_off(crtc->dev, exynos_crtc->pipe); + } + exynos_drm_fn_encoder(crtc, &mode, exynos_drm_encoder_crtc_dpms); exynos_crtc->dpms = mode; } @@ -217,7 +226,6 @@ static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc, ret = drm_vblank_get(dev, exynos_crtc->pipe); if (ret) { DRM_DEBUG("failed to acquire vblank counter\n"); - list_del(&event->base.link); goto out; } @@ -225,6 +233,7 @@ static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc, spin_lock_irq(&dev->event_lock); list_add_tail(&event->base.link, &dev_priv->pageflip_event_list); + atomic_set(&exynos_crtc->pending_flip, 1); spin_unlock_irq(&dev->event_lock); crtc->fb = fb; @@ -344,6 +353,8 @@ int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr) exynos_crtc->pipe = nr; exynos_crtc->dpms = DRM_MODE_DPMS_OFF; + init_waitqueue_head(&exynos_crtc->pending_flip_queue); + atomic_set(&exynos_crtc->pending_flip, 0); exynos_crtc->plane = exynos_plane_init(dev, 1 << nr, true); if (!exynos_crtc->plane) { kfree(exynos_crtc); @@ -398,7 +409,8 @@ void exynos_drm_crtc_finish_pageflip(struct drm_device *dev, int crtc) { struct exynos_drm_private *dev_priv = dev->dev_private; struct drm_pending_vblank_event *e, *t; - struct timeval now; + struct drm_crtc *drm_crtc = dev_priv->crtc[crtc]; + struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(drm_crtc); unsigned long flags; DRM_DEBUG_KMS("%s\n", __FILE__); @@ -411,14 +423,11 @@ void exynos_drm_crtc_finish_pageflip(struct drm_device *dev, int crtc) if (crtc != e->pipe) continue; - do_gettimeofday(&now); - e->event.sequence = 0; - e->event.tv_sec = now.tv_sec; - e->event.tv_usec = now.tv_usec; - - list_move_tail(&e->base.link, &e->base.file_priv->event_list); - wake_up_interruptible(&e->base.file_priv->event_wait); + list_del(&e->base.link); + drm_send_vblank_event(dev, -1, e); drm_vblank_put(dev, crtc); + atomic_set(&exynos_crtc->pending_flip, 0); + wake_up(&exynos_crtc->pending_flip_queue); } spin_unlock_irqrestore(&dev->event_lock, flags); diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index 68f0045f86b8..8f007aaeffc3 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -182,7 +182,7 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper, helper->fb = exynos_drm_framebuffer_init(dev, &mode_cmd, &exynos_gem_obj->base); - if (IS_ERR_OR_NULL(helper->fb)) { + if (IS_ERR(helper->fb)) { DRM_ERROR("failed to create drm framebuffer.\n"); ret = PTR_ERR(helper->fb); goto err_destroy_gem; diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c index 773f583fa964..4a1616a18ab7 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c @@ -12,9 +12,9 @@ * */ #include <linux/kernel.h> -#include <linux/mfd/syscon.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/mfd/syscon.h> #include <linux/regmap.h> #include <linux/clk.h> #include <linux/pm_runtime.h> @@ -1845,7 +1845,7 @@ static int fimc_probe(struct platform_device *pdev) } ctx->irq = res->start; - ret = request_threaded_irq(ctx->irq, NULL, fimc_irq_handler, + ret = devm_request_threaded_irq(dev, ctx->irq, NULL, fimc_irq_handler, IRQF_ONESHOT, "drm_fimc", ctx); if (ret < 0) { dev_err(dev, "failed to request irq.\n"); @@ -1854,7 +1854,7 @@ static int fimc_probe(struct platform_device *pdev) ret = fimc_setup_clocks(ctx); if (ret < 0) - goto err_free_irq; + return ret; ippdrv = &ctx->ippdrv; ippdrv->ops[EXYNOS_DRM_OPS_SRC] = &fimc_src_ops; @@ -1884,7 +1884,7 @@ static int fimc_probe(struct platform_device *pdev) goto err_pm_dis; } - dev_info(&pdev->dev, "drm fimc registered successfully.\n"); + dev_info(dev, "drm fimc registered successfully.\n"); return 0; @@ -1892,8 +1892,6 @@ err_pm_dis: pm_runtime_disable(dev); err_put_clk: fimc_put_clocks(ctx); -err_free_irq: - free_irq(ctx->irq, ctx); return ret; } @@ -1911,8 +1909,6 @@ static int fimc_remove(struct platform_device *pdev) pm_runtime_set_suspended(dev); pm_runtime_disable(dev); - free_irq(ctx->irq, ctx); - return 0; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 746b282b343a..97c61dbffd82 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -885,7 +885,7 @@ static int fimd_probe(struct platform_device *pdev) DRM_DEBUG_KMS("%s\n", __FILE__); - if (pdev->dev.of_node) { + if (dev->of_node) { pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); if (!pdata) { DRM_ERROR("memory allocation for pdata failed\n"); @@ -899,7 +899,7 @@ static int fimd_probe(struct platform_device *pdev) return ret; } } else { - pdata = pdev->dev.platform_data; + pdata = dev->platform_data; if (!pdata) { DRM_ERROR("no platform data specified\n"); return -EINVAL; @@ -912,7 +912,7 @@ static int fimd_probe(struct platform_device *pdev) return -EINVAL; } - ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) return -ENOMEM; @@ -930,7 +930,7 @@ static int fimd_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - ctx->regs = devm_ioremap_resource(&pdev->dev, res); + ctx->regs = devm_ioremap_resource(dev, res); if (IS_ERR(ctx->regs)) return PTR_ERR(ctx->regs); @@ -942,7 +942,7 @@ static int fimd_probe(struct platform_device *pdev) ctx->irq = res->start; - ret = devm_request_irq(&pdev->dev, ctx->irq, fimd_irq_handler, + ret = devm_request_irq(dev, ctx->irq, fimd_irq_handler, 0, "drm_fimd", ctx); if (ret) { dev_err(dev, "irq request failed.\n"); diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c index 47a493c8a71f..af75434ee4d7 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -1379,7 +1379,7 @@ static int g2d_probe(struct platform_device *pdev) struct exynos_drm_subdrv *subdrv; int ret; - g2d = devm_kzalloc(&pdev->dev, sizeof(*g2d), GFP_KERNEL); + g2d = devm_kzalloc(dev, sizeof(*g2d), GFP_KERNEL); if (!g2d) { dev_err(dev, "failed to allocate driver data\n"); return -ENOMEM; @@ -1417,7 +1417,7 @@ static int g2d_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - g2d->regs = devm_ioremap_resource(&pdev->dev, res); + g2d->regs = devm_ioremap_resource(dev, res); if (IS_ERR(g2d->regs)) { ret = PTR_ERR(g2d->regs); goto err_put_clk; @@ -1430,7 +1430,7 @@ static int g2d_probe(struct platform_device *pdev) goto err_put_clk; } - ret = devm_request_irq(&pdev->dev, g2d->irq, g2d_irq_handler, 0, + ret = devm_request_irq(dev, g2d->irq, g2d_irq_handler, 0, "drm_g2d", g2d); if (ret < 0) { dev_err(dev, "irq request failed\n"); diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c index 7841c3b8a20e..762f40d548b7 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c @@ -1704,7 +1704,7 @@ static int gsc_probe(struct platform_device *pdev) } ctx->irq = res->start; - ret = request_threaded_irq(ctx->irq, NULL, gsc_irq_handler, + ret = devm_request_threaded_irq(dev, ctx->irq, NULL, gsc_irq_handler, IRQF_ONESHOT, "drm_gsc", ctx); if (ret < 0) { dev_err(dev, "failed to request irq.\n"); @@ -1725,7 +1725,7 @@ static int gsc_probe(struct platform_device *pdev) ret = gsc_init_prop_list(ippdrv); if (ret < 0) { dev_err(dev, "failed to init property list.\n"); - goto err_get_irq; + return ret; } DRM_DEBUG_KMS("%s:id[%d]ippdrv[0x%x]\n", __func__, ctx->id, @@ -1743,15 +1743,12 @@ static int gsc_probe(struct platform_device *pdev) goto err_ippdrv_register; } - dev_info(&pdev->dev, "drm gsc registered successfully.\n"); + dev_info(dev, "drm gsc registered successfully.\n"); return 0; err_ippdrv_register: - devm_kfree(dev, ippdrv->prop_list); pm_runtime_disable(dev); -err_get_irq: - free_irq(ctx->irq, ctx); return ret; } @@ -1761,15 +1758,12 @@ static int gsc_remove(struct platform_device *pdev) struct gsc_context *ctx = get_gsc_context(dev); struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv; - devm_kfree(dev, ippdrv->prop_list); exynos_drm_ippdrv_unregister(ippdrv); mutex_destroy(&ctx->lock); pm_runtime_set_suspended(dev); pm_runtime_disable(dev); - free_irq(ctx->irq, ctx); - return 0; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c index ba2f0f1aa05f..437fb947e46d 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c @@ -442,7 +442,7 @@ static int exynos_drm_hdmi_probe(struct platform_device *pdev) DRM_DEBUG_KMS("%s\n", __FILE__); - ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) { DRM_LOG_KMS("failed to alloc common hdmi context.\n"); return -ENOMEM; diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c index 29d2ad314490..be1e88463466 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c +++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c @@ -222,7 +222,7 @@ static struct exynos_drm_ippdrv *ipp_find_driver(struct ipp_context *ctx, /* find ipp driver using idr */ ippdrv = ipp_find_obj(&ctx->ipp_idr, &ctx->ipp_lock, ipp_id); - if (IS_ERR_OR_NULL(ippdrv)) { + if (IS_ERR(ippdrv)) { DRM_ERROR("not found ipp%d driver.\n", ipp_id); return ippdrv; } @@ -388,7 +388,7 @@ static int ipp_find_and_set_property(struct drm_exynos_ipp_property *property) DRM_DEBUG_KMS("%s:prop_id[%d]\n", __func__, prop_id); ippdrv = ipp_find_drv_by_handle(prop_id); - if (IS_ERR_OR_NULL(ippdrv)) { + if (IS_ERR(ippdrv)) { DRM_ERROR("failed to get ipp driver.\n"); return -EINVAL; } @@ -492,7 +492,7 @@ int exynos_drm_ipp_set_property(struct drm_device *drm_dev, void *data, /* find ipp driver using ipp id */ ippdrv = ipp_find_driver(ctx, property); - if (IS_ERR_OR_NULL(ippdrv)) { + if (IS_ERR(ippdrv)) { DRM_ERROR("failed to get ipp driver.\n"); return -EINVAL; } @@ -521,19 +521,19 @@ int exynos_drm_ipp_set_property(struct drm_device *drm_dev, void *data, c_node->state = IPP_STATE_IDLE; c_node->start_work = ipp_create_cmd_work(); - if (IS_ERR_OR_NULL(c_node->start_work)) { + if (IS_ERR(c_node->start_work)) { DRM_ERROR("failed to create start work.\n"); goto err_clear; } c_node->stop_work = ipp_create_cmd_work(); - if (IS_ERR_OR_NULL(c_node->stop_work)) { + if (IS_ERR(c_node->stop_work)) { DRM_ERROR("failed to create stop work.\n"); goto err_free_start; } c_node->event_work = ipp_create_event_work(); - if (IS_ERR_OR_NULL(c_node->event_work)) { + if (IS_ERR(c_node->event_work)) { DRM_ERROR("failed to create event work.\n"); goto err_free_stop; } @@ -915,7 +915,7 @@ static int ipp_queue_buf_with_run(struct device *dev, DRM_DEBUG_KMS("%s\n", __func__); ippdrv = ipp_find_drv_by_handle(qbuf->prop_id); - if (IS_ERR_OR_NULL(ippdrv)) { + if (IS_ERR(ippdrv)) { DRM_ERROR("failed to get ipp driver.\n"); return -EFAULT; } @@ -1909,7 +1909,7 @@ static int ipp_probe(struct platform_device *pdev) struct exynos_drm_subdrv *subdrv; int ret; - ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) return -ENOMEM; @@ -1963,7 +1963,7 @@ static int ipp_probe(struct platform_device *pdev) goto err_cmd_workq; } - dev_info(&pdev->dev, "drm ipp registered successfully.\n"); + dev_info(dev, "drm ipp registered successfully.\n"); return 0; diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c index 947f09f15ad1..9b6c70964d71 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c +++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c @@ -666,8 +666,8 @@ static int rotator_probe(struct platform_device *pdev) return rot->irq; } - ret = request_threaded_irq(rot->irq, NULL, rotator_irq_handler, - IRQF_ONESHOT, "drm_rotator", rot); + ret = devm_request_threaded_irq(dev, rot->irq, NULL, + rotator_irq_handler, IRQF_ONESHOT, "drm_rotator", rot); if (ret < 0) { dev_err(dev, "failed to request irq\n"); return ret; @@ -676,8 +676,7 @@ static int rotator_probe(struct platform_device *pdev) rot->clock = devm_clk_get(dev, "rotator"); if (IS_ERR(rot->clock)) { dev_err(dev, "failed to get clock\n"); - ret = PTR_ERR(rot->clock); - goto err_clk_get; + return PTR_ERR(rot->clock); } pm_runtime_enable(dev); @@ -709,10 +708,7 @@ static int rotator_probe(struct platform_device *pdev) return 0; err_ippdrv_register: - devm_kfree(dev, ippdrv->prop_list); pm_runtime_disable(dev); -err_clk_get: - free_irq(rot->irq, rot); return ret; } @@ -722,13 +718,10 @@ static int rotator_remove(struct platform_device *pdev) struct rot_context *rot = dev_get_drvdata(dev); struct exynos_drm_ippdrv *ippdrv = &rot->ippdrv; - devm_kfree(dev, ippdrv->prop_list); exynos_drm_ippdrv_unregister(ippdrv); pm_runtime_disable(dev); - free_irq(rot->irq, rot); - return 0; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c index 9504b0cd825a..24376c194a5e 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c @@ -594,7 +594,7 @@ static int vidi_probe(struct platform_device *pdev) DRM_DEBUG_KMS("%s\n", __FILE__); - ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) return -ENOMEM; @@ -612,7 +612,7 @@ static int vidi_probe(struct platform_device *pdev) platform_set_drvdata(pdev, ctx); - ret = device_create_file(&pdev->dev, &dev_attr_connection); + ret = device_create_file(dev, &dev_attr_connection); if (ret < 0) DRM_INFO("failed to create connection sysfs.\n"); diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 6652597586a1..fd1426dca882 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1946,14 +1946,14 @@ static int hdmi_probe(struct platform_device *pdev) DRM_DEBUG_KMS("[%d]\n", __LINE__); - if (pdev->dev.of_node) { + if (dev->of_node) { pdata = drm_hdmi_dt_parse_pdata(dev); if (IS_ERR(pdata)) { DRM_ERROR("failed to parse dt\n"); return PTR_ERR(pdata); } } else { - pdata = pdev->dev.platform_data; + pdata = dev->platform_data; } if (!pdata) { @@ -1961,14 +1961,14 @@ static int hdmi_probe(struct platform_device *pdev) return -EINVAL; } - drm_hdmi_ctx = devm_kzalloc(&pdev->dev, sizeof(*drm_hdmi_ctx), + drm_hdmi_ctx = devm_kzalloc(dev, sizeof(*drm_hdmi_ctx), GFP_KERNEL); if (!drm_hdmi_ctx) { DRM_ERROR("failed to allocate common hdmi context.\n"); return -ENOMEM; } - hdata = devm_kzalloc(&pdev->dev, sizeof(struct hdmi_context), + hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL); if (!hdata) { DRM_ERROR("out of memory\n"); @@ -1985,7 +1985,7 @@ static int hdmi_probe(struct platform_device *pdev) if (dev->of_node) { const struct of_device_id *match; match = of_match_node(of_match_ptr(hdmi_match_types), - pdev->dev.of_node); + dev->of_node); if (match == NULL) return -ENODEV; hdata->type = (enum hdmi_type)match->data; @@ -2005,11 +2005,11 @@ static int hdmi_probe(struct platform_device *pdev) } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - hdata->regs = devm_ioremap_resource(&pdev->dev, res); + hdata->regs = devm_ioremap_resource(dev, res); if (IS_ERR(hdata->regs)) return PTR_ERR(hdata->regs); - ret = devm_gpio_request(&pdev->dev, hdata->hpd_gpio, "HPD"); + ret = devm_gpio_request(dev, hdata->hpd_gpio, "HPD"); if (ret) { DRM_ERROR("failed to request HPD gpio\n"); return ret; @@ -2041,7 +2041,7 @@ static int hdmi_probe(struct platform_device *pdev) hdata->hpd = gpio_get_value(hdata->hpd_gpio); - ret = request_threaded_irq(hdata->irq, NULL, + ret = devm_request_threaded_irq(dev, hdata->irq, NULL, hdmi_irq_thread, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT, "hdmi", drm_hdmi_ctx); @@ -2070,16 +2070,11 @@ err_ddc: static int hdmi_remove(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct exynos_drm_hdmi_context *ctx = platform_get_drvdata(pdev); - struct hdmi_context *hdata = ctx->ctx; DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); pm_runtime_disable(dev); - free_irq(hdata->irq, hdata); - - /* hdmiphy i2c driver */ i2c_del_driver(&hdmiphy_driver); /* DDC i2c driver */ diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index ec3e376b7e01..7c197d3820c5 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -1061,7 +1061,7 @@ static int mixer_resources_init(struct exynos_drm_hdmi_context *ctx, return -ENXIO; } - mixer_res->mixer_regs = devm_ioremap(&pdev->dev, res->start, + mixer_res->mixer_regs = devm_ioremap(dev, res->start, resource_size(res)); if (mixer_res->mixer_regs == NULL) { dev_err(dev, "register mapping failed.\n"); @@ -1074,7 +1074,7 @@ static int mixer_resources_init(struct exynos_drm_hdmi_context *ctx, return -ENXIO; } - ret = devm_request_irq(&pdev->dev, res->start, mixer_irq_handler, + ret = devm_request_irq(dev, res->start, mixer_irq_handler, 0, "drm_mixer", ctx); if (ret) { dev_err(dev, "request interrupt failed.\n"); @@ -1118,7 +1118,7 @@ static int vp_resources_init(struct exynos_drm_hdmi_context *ctx, return -ENXIO; } - mixer_res->vp_regs = devm_ioremap(&pdev->dev, res->start, + mixer_res->vp_regs = devm_ioremap(dev, res->start, resource_size(res)); if (mixer_res->vp_regs == NULL) { dev_err(dev, "register mapping failed.\n"); @@ -1169,14 +1169,14 @@ static int mixer_probe(struct platform_device *pdev) dev_info(dev, "probe start\n"); - drm_hdmi_ctx = devm_kzalloc(&pdev->dev, sizeof(*drm_hdmi_ctx), + drm_hdmi_ctx = devm_kzalloc(dev, sizeof(*drm_hdmi_ctx), GFP_KERNEL); if (!drm_hdmi_ctx) { DRM_ERROR("failed to allocate common hdmi context.\n"); return -ENOMEM; } - ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) { DRM_ERROR("failed to alloc mixer context.\n"); return -ENOMEM; @@ -1187,14 +1187,14 @@ static int mixer_probe(struct platform_device *pdev) if (dev->of_node) { const struct of_device_id *match; match = of_match_node(of_match_ptr(mixer_match_types), - pdev->dev.of_node); + dev->of_node); drv = (struct mixer_drv_data *)match->data; } else { drv = (struct mixer_drv_data *) platform_get_device_id(pdev)->driver_data; } - ctx->dev = &pdev->dev; + ctx->dev = dev; ctx->parent_ctx = (void *)drm_hdmi_ctx; drm_hdmi_ctx->ctx = (void *)ctx; ctx->vp_enabled = drv->is_vp_enabled; diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 9ebe895c17d6..a2e4953b8e8d 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -364,40 +364,64 @@ static const struct pci_device_id pciidlist[] = { /* aka */ INTEL_VGA_DEVICE(0x016a, &intel_ivybridge_d_info), /* GT2 server */ INTEL_VGA_DEVICE(0x0402, &intel_haswell_d_info), /* GT1 desktop */ INTEL_VGA_DEVICE(0x0412, &intel_haswell_d_info), /* GT2 desktop */ - INTEL_VGA_DEVICE(0x0422, &intel_haswell_d_info), /* GT2 desktop */ + INTEL_VGA_DEVICE(0x0422, &intel_haswell_d_info), /* GT3 desktop */ INTEL_VGA_DEVICE(0x040a, &intel_haswell_d_info), /* GT1 server */ INTEL_VGA_DEVICE(0x041a, &intel_haswell_d_info), /* GT2 server */ - INTEL_VGA_DEVICE(0x042a, &intel_haswell_d_info), /* GT2 server */ + INTEL_VGA_DEVICE(0x042a, &intel_haswell_d_info), /* GT3 server */ INTEL_VGA_DEVICE(0x0406, &intel_haswell_m_info), /* GT1 mobile */ INTEL_VGA_DEVICE(0x0416, &intel_haswell_m_info), /* GT2 mobile */ INTEL_VGA_DEVICE(0x0426, &intel_haswell_m_info), /* GT2 mobile */ + INTEL_VGA_DEVICE(0x040B, &intel_haswell_d_info), /* GT1 reserved */ + INTEL_VGA_DEVICE(0x041B, &intel_haswell_d_info), /* GT2 reserved */ + INTEL_VGA_DEVICE(0x042B, &intel_haswell_d_info), /* GT3 reserved */ + INTEL_VGA_DEVICE(0x040E, &intel_haswell_d_info), /* GT1 reserved */ + INTEL_VGA_DEVICE(0x041E, &intel_haswell_d_info), /* GT2 reserved */ + INTEL_VGA_DEVICE(0x042E, &intel_haswell_d_info), /* GT3 reserved */ INTEL_VGA_DEVICE(0x0C02, &intel_haswell_d_info), /* SDV GT1 desktop */ INTEL_VGA_DEVICE(0x0C12, &intel_haswell_d_info), /* SDV GT2 desktop */ - INTEL_VGA_DEVICE(0x0C22, &intel_haswell_d_info), /* SDV GT2 desktop */ + INTEL_VGA_DEVICE(0x0C22, &intel_haswell_d_info), /* SDV GT3 desktop */ INTEL_VGA_DEVICE(0x0C0A, &intel_haswell_d_info), /* SDV GT1 server */ INTEL_VGA_DEVICE(0x0C1A, &intel_haswell_d_info), /* SDV GT2 server */ - INTEL_VGA_DEVICE(0x0C2A, &intel_haswell_d_info), /* SDV GT2 server */ + INTEL_VGA_DEVICE(0x0C2A, &intel_haswell_d_info), /* SDV GT3 server */ INTEL_VGA_DEVICE(0x0C06, &intel_haswell_m_info), /* SDV GT1 mobile */ INTEL_VGA_DEVICE(0x0C16, &intel_haswell_m_info), /* SDV GT2 mobile */ - INTEL_VGA_DEVICE(0x0C26, &intel_haswell_m_info), /* SDV GT2 mobile */ + INTEL_VGA_DEVICE(0x0C26, &intel_haswell_m_info), /* SDV GT3 mobile */ + INTEL_VGA_DEVICE(0x0C0B, &intel_haswell_d_info), /* SDV GT1 reserved */ + INTEL_VGA_DEVICE(0x0C1B, &intel_haswell_d_info), /* SDV GT2 reserved */ + INTEL_VGA_DEVICE(0x0C2B, &intel_haswell_d_info), /* SDV GT3 reserved */ + INTEL_VGA_DEVICE(0x0C0E, &intel_haswell_d_info), /* SDV GT1 reserved */ + INTEL_VGA_DEVICE(0x0C1E, &intel_haswell_d_info), /* SDV GT2 reserved */ + INTEL_VGA_DEVICE(0x0C2E, &intel_haswell_d_info), /* SDV GT3 reserved */ INTEL_VGA_DEVICE(0x0A02, &intel_haswell_d_info), /* ULT GT1 desktop */ INTEL_VGA_DEVICE(0x0A12, &intel_haswell_d_info), /* ULT GT2 desktop */ - INTEL_VGA_DEVICE(0x0A22, &intel_haswell_d_info), /* ULT GT2 desktop */ + INTEL_VGA_DEVICE(0x0A22, &intel_haswell_d_info), /* ULT GT3 desktop */ INTEL_VGA_DEVICE(0x0A0A, &intel_haswell_d_info), /* ULT GT1 server */ INTEL_VGA_DEVICE(0x0A1A, &intel_haswell_d_info), /* ULT GT2 server */ - INTEL_VGA_DEVICE(0x0A2A, &intel_haswell_d_info), /* ULT GT2 server */ + INTEL_VGA_DEVICE(0x0A2A, &intel_haswell_d_info), /* ULT GT3 server */ INTEL_VGA_DEVICE(0x0A06, &intel_haswell_m_info), /* ULT GT1 mobile */ INTEL_VGA_DEVICE(0x0A16, &intel_haswell_m_info), /* ULT GT2 mobile */ - INTEL_VGA_DEVICE(0x0A26, &intel_haswell_m_info), /* ULT GT2 mobile */ + INTEL_VGA_DEVICE(0x0A26, &intel_haswell_m_info), /* ULT GT3 mobile */ + INTEL_VGA_DEVICE(0x0A0B, &intel_haswell_d_info), /* ULT GT1 reserved */ + INTEL_VGA_DEVICE(0x0A1B, &intel_haswell_d_info), /* ULT GT2 reserved */ + INTEL_VGA_DEVICE(0x0A2B, &intel_haswell_d_info), /* ULT GT3 reserved */ + INTEL_VGA_DEVICE(0x0A0E, &intel_haswell_m_info), /* ULT GT1 reserved */ + INTEL_VGA_DEVICE(0x0A1E, &intel_haswell_m_info), /* ULT GT2 reserved */ + INTEL_VGA_DEVICE(0x0A2E, &intel_haswell_m_info), /* ULT GT3 reserved */ INTEL_VGA_DEVICE(0x0D02, &intel_haswell_d_info), /* CRW GT1 desktop */ INTEL_VGA_DEVICE(0x0D12, &intel_haswell_d_info), /* CRW GT2 desktop */ - INTEL_VGA_DEVICE(0x0D22, &intel_haswell_d_info), /* CRW GT2 desktop */ + INTEL_VGA_DEVICE(0x0D22, &intel_haswell_d_info), /* CRW GT3 desktop */ INTEL_VGA_DEVICE(0x0D0A, &intel_haswell_d_info), /* CRW GT1 server */ INTEL_VGA_DEVICE(0x0D1A, &intel_haswell_d_info), /* CRW GT2 server */ - INTEL_VGA_DEVICE(0x0D2A, &intel_haswell_d_info), /* CRW GT2 server */ + INTEL_VGA_DEVICE(0x0D2A, &intel_haswell_d_info), /* CRW GT3 server */ INTEL_VGA_DEVICE(0x0D06, &intel_haswell_m_info), /* CRW GT1 mobile */ INTEL_VGA_DEVICE(0x0D16, &intel_haswell_m_info), /* CRW GT2 mobile */ - INTEL_VGA_DEVICE(0x0D26, &intel_haswell_m_info), /* CRW GT2 mobile */ + INTEL_VGA_DEVICE(0x0D26, &intel_haswell_m_info), /* CRW GT3 mobile */ + INTEL_VGA_DEVICE(0x0D0B, &intel_haswell_d_info), /* CRW GT1 reserved */ + INTEL_VGA_DEVICE(0x0D1B, &intel_haswell_d_info), /* CRW GT2 reserved */ + INTEL_VGA_DEVICE(0x0D2B, &intel_haswell_d_info), /* CRW GT3 reserved */ + INTEL_VGA_DEVICE(0x0D0E, &intel_haswell_d_info), /* CRW GT1 reserved */ + INTEL_VGA_DEVICE(0x0D1E, &intel_haswell_d_info), /* CRW GT2 reserved */ + INTEL_VGA_DEVICE(0x0D2E, &intel_haswell_d_info), /* CRW GT3 reserved */ INTEL_VGA_DEVICE(0x0f30, &intel_valleyview_m_info), INTEL_VGA_DEVICE(0x0f31, &intel_valleyview_m_info), INTEL_VGA_DEVICE(0x0f32, &intel_valleyview_m_info), diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index d5dcf7fe1ee9..b9d00dcf9a2d 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1943,4 +1943,19 @@ static inline void __user *to_user_ptr(u64 address) return (void __user *)(uintptr_t)address; } +static inline unsigned long msecs_to_jiffies_timeout(const unsigned int m) +{ + unsigned long j = msecs_to_jiffies(m); + + return min_t(unsigned long, MAX_JIFFY_OFFSET, j + 1); +} + +static inline unsigned long +timespec_to_jiffies_timeout(const struct timespec *value) +{ + unsigned long j = timespec_to_jiffies(value); + + return min_t(unsigned long, MAX_JIFFY_OFFSET, j + 1); +} + #endif diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 6165535d15f0..a6cf8e843973 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1003,7 +1003,7 @@ static int __wait_seqno(struct intel_ring_buffer *ring, u32 seqno, wait_forever = false; } - timeout_jiffies = timespec_to_jiffies(&wait_time); + timeout_jiffies = timespec_to_jiffies_timeout(&wait_time); if (WARN_ON(!ring->irq_get(ring))) return -ENODEV; diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index efe829919755..ad1117bebd7e 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -8140,6 +8140,21 @@ static void intel_set_config_restore_state(struct drm_device *dev, } } +static bool +is_crtc_connector_off(struct drm_crtc *crtc, struct drm_connector *connectors, + int num_connectors) +{ + int i; + + for (i = 0; i < num_connectors; i++) + if (connectors[i].encoder && + connectors[i].encoder->crtc == crtc && + connectors[i].dpms != DRM_MODE_DPMS_ON) + return true; + + return false; +} + static void intel_set_config_compute_mode_changes(struct drm_mode_set *set, struct intel_set_config *config) @@ -8147,7 +8162,11 @@ intel_set_config_compute_mode_changes(struct drm_mode_set *set, /* We should be able to check here if the fb has the same properties * and then just flip_or_move it */ - if (set->crtc->fb != set->fb) { + if (set->connectors != NULL && + is_crtc_connector_off(set->crtc, *set->connectors, + set->num_connectors)) { + config->mode_changed = true; + } else if (set->crtc->fb != set->fb) { /* If we have no fb then treat it as a full mode set */ if (set->crtc->fb == NULL) { DRM_DEBUG_KMS("crtc has no fb, full mode set\n"); @@ -8157,8 +8176,9 @@ intel_set_config_compute_mode_changes(struct drm_mode_set *set, } else if (set->fb->pixel_format != set->crtc->fb->pixel_format) { config->mode_changed = true; - } else + } else { config->fb_changed = true; + } } if (set->fb && (set->x != set->crtc->x || set->y != set->crtc->y)) @@ -8332,11 +8352,6 @@ static int intel_crtc_set_config(struct drm_mode_set *set) ret = intel_set_mode(set->crtc, set->mode, set->x, set->y, set->fb); - if (ret) { - DRM_ERROR("failed to set mode on [CRTC:%d], err = %d\n", - set->crtc->base.id, ret); - goto fail; - } } else if (config->fb_changed) { intel_crtc_wait_for_pending_flips(set->crtc); @@ -8344,18 +8359,18 @@ static int intel_crtc_set_config(struct drm_mode_set *set) set->x, set->y, set->fb); } - intel_set_config_free(config); - - return 0; - + if (ret) { + DRM_ERROR("failed to set mode on [CRTC:%d], err = %d\n", + set->crtc->base.id, ret); fail: - intel_set_config_restore_state(dev, config); + intel_set_config_restore_state(dev, config); - /* Try to restore the config */ - if (config->mode_changed && - intel_set_mode(save_set.crtc, save_set.mode, - save_set.x, save_set.y, save_set.fb)) - DRM_ERROR("failed to restore config after modeset failure\n"); + /* Try to restore the config */ + if (config->mode_changed && + intel_set_mode(save_set.crtc, save_set.mode, + save_set.x, save_set.y, save_set.fb)) + DRM_ERROR("failed to restore config after modeset failure\n"); + } out_config: intel_set_config_free(config); diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 3d704b706a8d..70789b1b5642 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -303,7 +303,7 @@ intel_dp_aux_wait_done(struct intel_dp *intel_dp, bool has_aux_irq) #define C (((status = I915_READ_NOTRACE(ch_ctl)) & DP_AUX_CH_CTL_SEND_BUSY) == 0) if (has_aux_irq) done = wait_event_timeout(dev_priv->gmbus_wait_queue, C, - msecs_to_jiffies(10)); + msecs_to_jiffies_timeout(10)); else done = wait_for_atomic(C, 10) == 0; if (!done) diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index 5d245031e391..639fe192997c 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -228,7 +228,7 @@ gmbus_wait_hw_status(struct drm_i915_private *dev_priv, * need to wake up periodically and check that ourselves. */ I915_WRITE(GMBUS4 + reg_offset, gmbus4_irq_en); - for (i = 0; i < msecs_to_jiffies(50) + 1; i++) { + for (i = 0; i < msecs_to_jiffies_timeout(50); i++) { prepare_to_wait(&dev_priv->gmbus_wait_queue, &wait, TASK_UNINTERRUPTIBLE); @@ -263,7 +263,8 @@ gmbus_wait_idle(struct drm_i915_private *dev_priv) /* Important: The hw handles only the first bit, so set only one! */ I915_WRITE(GMBUS4 + reg_offset, GMBUS_IDLE_EN); - ret = wait_event_timeout(dev_priv->gmbus_wait_queue, C, 10); + ret = wait_event_timeout(dev_priv->gmbus_wait_queue, C, + msecs_to_jiffies_timeout(10)); I915_WRITE(GMBUS4 + reg_offset, 0); diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index 7bf22d4a3d96..f17dc2ab03ec 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -638,17 +638,8 @@ nouveau_finish_page_flip(struct nouveau_channel *chan, } s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head); - if (s->event) { - struct drm_pending_vblank_event *e = s->event; - struct timeval now; - - do_gettimeofday(&now); - e->event.sequence = 0; - e->event.tv_sec = now.tv_sec; - e->event.tv_usec = now.tv_usec; - list_add_tail(&e->base.link, &e->base.file_priv->event_list); - wake_up_interruptible(&e->base.file_priv->event_wait); - } + if (s->event) + drm_send_vblank_event(dev, -1, s->event); list_del(&s->head); if (ps) diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c index 9c53c25e5201..826586ffbe83 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.c +++ b/drivers/gpu/drm/omapdrm/omap_drv.c @@ -649,6 +649,9 @@ static void pdev_shutdown(struct platform_device *device) static int pdev_probe(struct platform_device *device) { + if (omapdss_is_initialized() == false) + return -EPROBE_DEFER; + DBG("%s", device->name); return drm_platform_init(&omap_drm_driver, device); } diff --git a/drivers/gpu/drm/qxl/Kconfig b/drivers/gpu/drm/qxl/Kconfig index 2f1a57e11140..d6c12796023c 100644 --- a/drivers/gpu/drm/qxl/Kconfig +++ b/drivers/gpu/drm/qxl/Kconfig @@ -4,6 +4,7 @@ config DRM_QXL select FB_SYS_FILLRECT select FB_SYS_COPYAREA select FB_SYS_IMAGEBLIT + select FB_DEFERRED_IO select DRM_KMS_HELPER select DRM_TTM help diff --git a/drivers/gpu/drm/qxl/qxl_ioctl.c b/drivers/gpu/drm/qxl/qxl_ioctl.c index 6db7370373ea..a4b71b25fa53 100644 --- a/drivers/gpu/drm/qxl/qxl_ioctl.c +++ b/drivers/gpu/drm/qxl/qxl_ioctl.c @@ -151,7 +151,7 @@ static int qxl_execbuffer_ioctl(struct drm_device *dev, void *data, struct qxl_bo *cmd_bo; int release_type; struct drm_qxl_command *commands = - (struct drm_qxl_command *)execbuffer->commands; + (struct drm_qxl_command *)(uintptr_t)execbuffer->commands; if (DRM_COPY_FROM_USER(&user_cmd, &commands[cmd_num], sizeof(user_cmd))) @@ -193,7 +193,7 @@ static int qxl_execbuffer_ioctl(struct drm_device *dev, void *data, for (i = 0 ; i < user_cmd.relocs_num; ++i) { if (DRM_COPY_FROM_USER(&reloc, - &((struct drm_qxl_reloc *)user_cmd.relocs)[i], + &((struct drm_qxl_reloc *)(uintptr_t)user_cmd.relocs)[i], sizeof(reloc))) { qxl_bo_list_unreserve(&reloc_list, true); qxl_release_unreserve(qdev, release); diff --git a/drivers/gpu/drm/qxl/qxl_kms.c b/drivers/gpu/drm/qxl/qxl_kms.c index 85127ed24cfd..e27ce2a907cf 100644 --- a/drivers/gpu/drm/qxl/qxl_kms.c +++ b/drivers/gpu/drm/qxl/qxl_kms.c @@ -128,12 +128,13 @@ int qxl_device_init(struct qxl_device *qdev, qdev->vram_mapping = io_mapping_create_wc(qdev->vram_base, pci_resource_len(pdev, 0)); qdev->surface_mapping = io_mapping_create_wc(qdev->surfaceram_base, qdev->surfaceram_size); - DRM_DEBUG_KMS("qxl: vram %p-%p(%dM %dk), surface %p-%p(%dM %dk)\n", - (void *)qdev->vram_base, (void *)pci_resource_end(pdev, 0), + DRM_DEBUG_KMS("qxl: vram %llx-%llx(%dM %dk), surface %llx-%llx(%dM %dk)\n", + (unsigned long long)qdev->vram_base, + (unsigned long long)pci_resource_end(pdev, 0), (int)pci_resource_len(pdev, 0) / 1024 / 1024, (int)pci_resource_len(pdev, 0) / 1024, - (void *)qdev->surfaceram_base, - (void *)pci_resource_end(pdev, 1), + (unsigned long long)qdev->surfaceram_base, + (unsigned long long)pci_resource_end(pdev, 1), (int)qdev->surfaceram_size / 1024 / 1024, (int)qdev->surfaceram_size / 1024); diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 8f9e2d31b255..8546e3b333b4 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -4999,8 +4999,7 @@ void evergreen_fini(struct radeon_device *rdev) void evergreen_pcie_gen2_enable(struct radeon_device *rdev) { - u32 link_width_cntl, speed_cntl, mask; - int ret; + u32 link_width_cntl, speed_cntl; if (radeon_pcie_gen2 == 0) return; @@ -5015,11 +5014,8 @@ void evergreen_pcie_gen2_enable(struct radeon_device *rdev) if (ASIC_IS_X2(rdev)) return; - ret = drm_pcie_get_speed_cap_mask(rdev->ddev, &mask); - if (ret != 0) - return; - - if (!(mask & DRM_PCIE_SPEED_50)) + if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) && + (rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT)) return; speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 1a08008c978b..b45e64848677 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -4631,8 +4631,6 @@ static void r600_pcie_gen2_enable(struct radeon_device *rdev) { u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp; u16 link_cntl2; - u32 mask; - int ret; if (radeon_pcie_gen2 == 0) return; @@ -4651,11 +4649,8 @@ static void r600_pcie_gen2_enable(struct radeon_device *rdev) if (rdev->family <= CHIP_R600) return; - ret = drm_pcie_get_speed_cap_mask(rdev->ddev, &mask); - if (ret != 0) - return; - - if (!(mask & DRM_PCIE_SPEED_50)) + if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) && + (rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT)) return; speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index c2c59fb1ea01..189973836cff 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -467,23 +467,27 @@ bool radeon_card_posted(struct radeon_device *rdev) { uint32_t reg; + /* required for EFI mode on macbook2,1 which uses an r5xx asic */ if (efi_enabled(EFI_BOOT) && - rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE) + (rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE) && + (rdev->family < CHIP_R600)) return false; + if (ASIC_IS_NODCE(rdev)) + goto check_memsize; + /* first check CRTCs */ - if (ASIC_IS_DCE41(rdev)) { + if (ASIC_IS_DCE4(rdev)) { reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) | RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET); - if (reg & EVERGREEN_CRTC_MASTER_EN) - return true; - } else if (ASIC_IS_DCE4(rdev)) { - reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) | - RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) | - RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) | - RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) | - RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) | - RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET); + if (rdev->num_crtc >= 4) { + reg |= RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) | + RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET); + } + if (rdev->num_crtc >= 6) { + reg |= RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) | + RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET); + } if (reg & EVERGREEN_CRTC_MASTER_EN) return true; } else if (ASIC_IS_AVIVO(rdev)) { @@ -500,6 +504,7 @@ bool radeon_card_posted(struct radeon_device *rdev) } } +check_memsize: /* then check MEM_SIZE, in case the crtcs are off */ if (rdev->family >= CHIP_R600) reg = RREG32(R600_CONFIG_MEMSIZE); diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index e38fd559f1ab..eb18bb7af1cc 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -271,8 +271,6 @@ void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id) { struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; struct radeon_unpin_work *work; - struct drm_pending_vblank_event *e; - struct timeval now; unsigned long flags; u32 update_pending; int vpos, hpos; @@ -328,14 +326,9 @@ void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id) radeon_crtc->unpin_work = NULL; /* wakeup userspace */ - if (work->event) { - e = work->event; - e->event.sequence = drm_vblank_count_and_time(rdev->ddev, crtc_id, &now); - e->event.tv_sec = now.tv_sec; - e->event.tv_usec = now.tv_usec; - list_add_tail(&e->base.link, &e->base.file_priv->event_list); - wake_up_interruptible(&e->base.file_priv->event_wait); - } + if (work->event) + drm_send_vblank_event(rdev->ddev, crtc_id, work->event); + spin_unlock_irqrestore(&rdev->ddev->event_lock, flags); drm_vblank_put(rdev->ddev, radeon_crtc->crtc_id); diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 83f612a9500b..08aef24afe40 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -862,10 +862,8 @@ int rv770_uvd_resume(struct radeon_device *rdev) chip_id = 0x0100000b; break; case CHIP_SUMO: - chip_id = 0x0100000c; - break; case CHIP_SUMO2: - chip_id = 0x0100000d; + chip_id = 0x0100000c; break; case CHIP_PALM: chip_id = 0x0100000e; @@ -2113,8 +2111,6 @@ static void rv770_pcie_gen2_enable(struct radeon_device *rdev) { u32 link_width_cntl, lanes, speed_cntl, tmp; u16 link_cntl2; - u32 mask; - int ret; if (radeon_pcie_gen2 == 0) return; @@ -2129,11 +2125,8 @@ static void rv770_pcie_gen2_enable(struct radeon_device *rdev) if (ASIC_IS_X2(rdev)) return; - ret = drm_pcie_get_speed_cap_mask(rdev->ddev, &mask); - if (ret != 0) - return; - - if (!(mask & DRM_PCIE_SPEED_50)) + if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) && + (rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT)) return; DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n"); diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 5ffade69af25..d1ba9d88f311 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -2616,7 +2616,7 @@ static void si_gpu_init(struct radeon_device *rdev) default: rdev->config.si.max_shader_engines = 1; rdev->config.si.max_tile_pipes = 4; - rdev->config.si.max_cu_per_sh = 2; + rdev->config.si.max_cu_per_sh = 5; rdev->config.si.max_sh_per_se = 2; rdev->config.si.max_backends_per_se = 4; rdev->config.si.max_texture_channel_caches = 4; diff --git a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c index 7dff49ed66e7..99e2034e49cc 100644 --- a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c +++ b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c @@ -451,27 +451,16 @@ void shmob_drm_crtc_finish_page_flip(struct shmob_drm_crtc *scrtc) { struct drm_pending_vblank_event *event; struct drm_device *dev = scrtc->crtc.dev; - struct timeval vblanktime; unsigned long flags; spin_lock_irqsave(&dev->event_lock, flags); event = scrtc->event; scrtc->event = NULL; + if (event) { + drm_send_vblank_event(dev, 0, event); + drm_vblank_put(dev, 0); + } spin_unlock_irqrestore(&dev->event_lock, flags); - - if (event == NULL) - return; - - event->event.sequence = drm_vblank_count_and_time(dev, 0, &vblanktime); - event->event.tv_sec = vblanktime.tv_sec; - event->event.tv_usec = vblanktime.tv_usec; - - spin_lock_irqsave(&dev->event_lock, flags); - list_add_tail(&event->base.link, &event->base.file_priv->event_list); - wake_up_interruptible(&event->base.file_priv->event_wait); - spin_unlock_irqrestore(&dev->event_lock, flags); - - drm_vblank_put(dev, 0); } static int shmob_drm_crtc_page_flip(struct drm_crtc *crtc, diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index b08ca7a9f76b..3f3f0416fbdd 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -2227,6 +2227,27 @@ static void srpt_close_ch(struct srpt_rdma_ch *ch) } /** + * srpt_shutdown_session() - Whether or not a session may be shut down. + */ +static int srpt_shutdown_session(struct se_session *se_sess) +{ + struct srpt_rdma_ch *ch = se_sess->fabric_sess_ptr; + unsigned long flags; + + spin_lock_irqsave(&ch->spinlock, flags); + if (ch->in_shutdown) { + spin_unlock_irqrestore(&ch->spinlock, flags); + return true; + } + + ch->in_shutdown = true; + target_sess_cmd_list_set_waiting(se_sess); + spin_unlock_irqrestore(&ch->spinlock, flags); + + return true; +} + +/** * srpt_drain_channel() - Drain a channel by resetting the IB queue pair. * @cm_id: Pointer to the CM ID of the channel to be drained. * @@ -2264,6 +2285,9 @@ static void srpt_drain_channel(struct ib_cm_id *cm_id) spin_unlock_irq(&sdev->spinlock); if (do_reset) { + if (ch->sess) + srpt_shutdown_session(ch->sess); + ret = srpt_ch_qp_err(ch); if (ret < 0) printk(KERN_ERR "Setting queue pair in error state" @@ -2328,7 +2352,7 @@ static void srpt_release_channel_work(struct work_struct *w) se_sess = ch->sess; BUG_ON(!se_sess); - target_wait_for_sess_cmds(se_sess, 0); + target_wait_for_sess_cmds(se_sess); transport_deregister_session_configfs(se_sess); transport_deregister_session(se_sess); @@ -3467,14 +3491,6 @@ static void srpt_release_cmd(struct se_cmd *se_cmd) } /** - * srpt_shutdown_session() - Whether or not a session may be shut down. - */ -static int srpt_shutdown_session(struct se_session *se_sess) -{ - return true; -} - -/** * srpt_close_session() - Forcibly close a session. * * Callback function invoked by the TCM core to clean up sessions associated diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.h b/drivers/infiniband/ulp/srpt/ib_srpt.h index 4caf55cda7b1..3dae156905de 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.h +++ b/drivers/infiniband/ulp/srpt/ib_srpt.h @@ -325,6 +325,7 @@ struct srpt_rdma_ch { u8 sess_name[36]; struct work_struct release_work; struct completion *release_done; + bool in_shutdown; }; /** diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 2f78538e09d0..b2420ae19e14 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -1379,6 +1379,7 @@ static int synaptics_reconnect(struct psmouse *psmouse) { struct synaptics_data *priv = psmouse->private; struct synaptics_data old_priv = *priv; + unsigned char param[2]; int retry = 0; int error; @@ -1394,6 +1395,7 @@ static int synaptics_reconnect(struct psmouse *psmouse) */ ssleep(1); } + ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETID); error = synaptics_detect(psmouse, 0); } while (error && ++retry < 3); diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index 5c68e4486845..518282da6d85 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -1966,7 +1966,8 @@ static const struct wacom_features wacom_features_0xF4 = 63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES }; static const struct wacom_features wacom_features_0xF8 = { "Wacom Cintiq 24HD touch", WACOM_PKGLEN_INTUOS, 104480, 65600, 2047, /* Pen */ - 63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 }; + 63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, + .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 }; static const struct wacom_features wacom_features_0xF6 = { "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */ .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10 }; @@ -2009,7 +2010,8 @@ static const struct wacom_features wacom_features_0xFA = 63, WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES }; static const struct wacom_features wacom_features_0x5B = { "Wacom Cintiq 22HDT", WACOM_PKGLEN_INTUOS, 95840, 54260, 2047, - 63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5e }; + 63, WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, + .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5e }; static const struct wacom_features wacom_features_0x5E = { "Wacom Cintiq 22HDT", .type = WACOM_24HDT, .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5b, .touch_max = 10 }; @@ -2042,7 +2044,7 @@ static const struct wacom_features wacom_features_0xE5 = static const struct wacom_features wacom_features_0xE6 = { "Wacom ISDv4 E6", WACOM_PKGLEN_TPC2FG, 27760, 15694, 255, 0, TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, - .touch_max = 2 }; + .touch_max = 2 }; static const struct wacom_features wacom_features_0xEC = { "Wacom ISDv4 EC", WACOM_PKGLEN_GRAPHIRE, 25710, 14500, 255, 0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; diff --git a/drivers/leds/leds-ot200.c b/drivers/leds/leds-ot200.c index ee14662ed5ce..98cae529373f 100644 --- a/drivers/leds/leds-ot200.c +++ b/drivers/leds/leds-ot200.c @@ -47,37 +47,37 @@ static struct ot200_led leds[] = { { .name = "led_1", .port = 0x49, - .mask = BIT(7), + .mask = BIT(6), }, { .name = "led_2", .port = 0x49, - .mask = BIT(6), + .mask = BIT(5), }, { .name = "led_3", .port = 0x49, - .mask = BIT(5), + .mask = BIT(4), }, { .name = "led_4", .port = 0x49, - .mask = BIT(4), + .mask = BIT(3), }, { .name = "led_5", .port = 0x49, - .mask = BIT(3), + .mask = BIT(2), }, { .name = "led_6", .port = 0x49, - .mask = BIT(2), + .mask = BIT(1), }, { .name = "led_7", .port = 0x49, - .mask = BIT(1), + .mask = BIT(0), } }; diff --git a/drivers/media/pci/zoran/zoran.h b/drivers/media/pci/zoran/zoran.h index ca2754a3cd63..5e040085c2ff 100644 --- a/drivers/media/pci/zoran/zoran.h +++ b/drivers/media/pci/zoran/zoran.h @@ -176,7 +176,7 @@ struct zoran_fh; struct zoran_mapping { struct zoran_fh *fh; - int count; + atomic_t count; }; struct zoran_buffer { diff --git a/drivers/media/pci/zoran/zoran_driver.c b/drivers/media/pci/zoran/zoran_driver.c index 1168a84a737d..d133c30c3fdc 100644 --- a/drivers/media/pci/zoran/zoran_driver.c +++ b/drivers/media/pci/zoran/zoran_driver.c @@ -2803,8 +2803,7 @@ static void zoran_vm_open (struct vm_area_struct *vma) { struct zoran_mapping *map = vma->vm_private_data; - - map->count++; + atomic_inc(&map->count); } static void @@ -2815,7 +2814,7 @@ zoran_vm_close (struct vm_area_struct *vma) struct zoran *zr = fh->zr; int i; - if (--map->count > 0) + if (!atomic_dec_and_mutex_lock(&map->count, &zr->resource_lock)) return; dprintk(3, KERN_INFO "%s: %s - munmap(%s)\n", ZR_DEVNAME(zr), @@ -2828,14 +2827,16 @@ zoran_vm_close (struct vm_area_struct *vma) kfree(map); /* Any buffers still mapped? */ - for (i = 0; i < fh->buffers.num_buffers; i++) - if (fh->buffers.buffer[i].map) + for (i = 0; i < fh->buffers.num_buffers; i++) { + if (fh->buffers.buffer[i].map) { + mutex_unlock(&zr->resource_lock); return; + } + } dprintk(3, KERN_INFO "%s: %s - free %s buffers\n", ZR_DEVNAME(zr), __func__, mode_name(fh->map_mode)); - mutex_lock(&zr->resource_lock); if (fh->map_mode == ZORAN_MAP_MODE_RAW) { if (fh->buffers.active != ZORAN_FREE) { @@ -2939,7 +2940,7 @@ zoran_mmap (struct file *file, goto mmap_unlock_and_return; } map->fh = fh; - map->count = 1; + atomic_set(&map->count, 1); vma->vm_ops = &zoran_vm_ops; vma->vm_flags |= VM_DONTEXPAND; diff --git a/drivers/media/platform/omap/omap_vout.c b/drivers/media/platform/omap/omap_vout.c index 477268a2415f..d338b19da544 100644 --- a/drivers/media/platform/omap/omap_vout.c +++ b/drivers/media/platform/omap/omap_vout.c @@ -2150,6 +2150,9 @@ static int __init omap_vout_probe(struct platform_device *pdev) struct omap_dss_device *def_display; struct omap2video_device *vid_dev = NULL; + if (omapdss_is_initialized() == false) + return -EPROBE_DEFER; + ret = omapdss_compat_init(); if (ret) { dev_err(&pdev->dev, "failed to init dss\n"); diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index e75774f72606..aca59d93d5a9 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -2230,10 +2230,15 @@ static void __exit atmci_cleanup_slot(struct atmel_mci_slot *slot, mmc_free_host(slot->mmc); } -static bool atmci_filter(struct dma_chan *chan, void *slave) +static bool atmci_filter(struct dma_chan *chan, void *pdata) { - struct mci_dma_data *sl = slave; + struct mci_platform_data *sl_pdata = pdata; + struct mci_dma_data *sl; + if (!sl_pdata) + return false; + + sl = sl_pdata->dma_slave; if (sl && find_slave_dev(sl) == chan->device->dev) { chan->private = slave_data_ptr(sl); return true; @@ -2245,24 +2250,18 @@ static bool atmci_filter(struct dma_chan *chan, void *slave) static bool atmci_configure_dma(struct atmel_mci *host) { struct mci_platform_data *pdata; + dma_cap_mask_t mask; if (host == NULL) return false; pdata = host->pdev->dev.platform_data; - if (!pdata) - return false; + dma_cap_zero(mask); + dma_cap_set(DMA_SLAVE, mask); - if (pdata->dma_slave && find_slave_dev(pdata->dma_slave)) { - dma_cap_mask_t mask; - - /* Try to grab a DMA channel */ - dma_cap_zero(mask); - dma_cap_set(DMA_SLAVE, mask); - host->dma.chan = - dma_request_channel(mask, atmci_filter, pdata->dma_slave); - } + host->dma.chan = dma_request_slave_channel_compat(mask, atmci_filter, pdata, + &host->pdev->dev, "rxtx"); if (!host->dma.chan) { dev_warn(&host->pdev->dev, "no DMA channel available\n"); return false; diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 6e44025acf01..eccedc7d06a4 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -161,6 +161,7 @@ struct omap_hsmmc_host { */ struct regulator *vcc; struct regulator *vcc_aux; + int pbias_disable; void __iomem *base; resource_size_t mapbase; spinlock_t irq_lock; /* Prevent races with irq handler */ @@ -255,11 +256,11 @@ static int omap_hsmmc_set_power(struct device *dev, int slot, int power_on, if (!host->vcc) return 0; /* - * With DT, never turn OFF the regulator. This is because + * With DT, never turn OFF the regulator for MMC1. This is because * the pbias cell programming support is still missing when * booting with Device tree */ - if (dev->of_node && !vdd) + if (host->pbias_disable && !vdd) return 0; if (mmc_slot(host).before_set_reg) @@ -1520,10 +1521,10 @@ static void omap_hsmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) (ios->vdd == DUAL_VOLT_OCR_BIT) && /* * With pbias cell programming missing, this - * can't be allowed when booting with device + * can't be allowed on MMC1 when booting with device * tree. */ - !host->dev->of_node) { + !host->pbias_disable) { /* * The mmc_select_voltage fn of the core does * not seem to set the power_mode to @@ -1871,6 +1872,10 @@ static int omap_hsmmc_probe(struct platform_device *pdev) omap_hsmmc_context_save(host); + /* This can be removed once we support PBIAS with DT */ + if (host->dev->of_node && host->mapbase == 0x4809c000) + host->pbias_disable = 1; + host->dbclk = clk_get(&pdev->dev, "mmchsdb_fck"); /* * MMC can still work without debounce clock. @@ -1906,33 +1911,41 @@ static int omap_hsmmc_probe(struct platform_device *pdev) omap_hsmmc_conf_bus_power(host); - res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "tx"); - if (!res) { - dev_err(mmc_dev(host->mmc), "cannot get DMA TX channel\n"); - ret = -ENXIO; - goto err_irq; - } - tx_req = res->start; + if (!pdev->dev.of_node) { + res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "tx"); + if (!res) { + dev_err(mmc_dev(host->mmc), "cannot get DMA TX channel\n"); + ret = -ENXIO; + goto err_irq; + } + tx_req = res->start; - res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "rx"); - if (!res) { - dev_err(mmc_dev(host->mmc), "cannot get DMA RX channel\n"); - ret = -ENXIO; - goto err_irq; + res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "rx"); + if (!res) { + dev_err(mmc_dev(host->mmc), "cannot get DMA RX channel\n"); + ret = -ENXIO; + goto err_irq; + } + rx_req = res->start; } - rx_req = res->start; dma_cap_zero(mask); dma_cap_set(DMA_SLAVE, mask); - host->rx_chan = dma_request_channel(mask, omap_dma_filter_fn, &rx_req); + host->rx_chan = + dma_request_slave_channel_compat(mask, omap_dma_filter_fn, + &rx_req, &pdev->dev, "rx"); + if (!host->rx_chan) { dev_err(mmc_dev(host->mmc), "unable to obtain RX DMA engine channel %u\n", rx_req); ret = -ENXIO; goto err_irq; } - host->tx_chan = dma_request_channel(mask, omap_dma_filter_fn, &tx_req); + host->tx_chan = + dma_request_slave_channel_compat(mask, omap_dma_filter_fn, + &tx_req, &pdev->dev, "tx"); + if (!host->tx_chan) { dev_err(mmc_dev(host->mmc), "unable to obtain TX DMA engine channel %u\n", tx_req); ret = -ENXIO; diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c index 7bcf74b1a5cd..706d9cb1a49e 100644 --- a/drivers/mmc/host/sdhci-acpi.c +++ b/drivers/mmc/host/sdhci-acpi.c @@ -87,6 +87,12 @@ static const struct sdhci_ops sdhci_acpi_ops_dflt = { .enable_dma = sdhci_acpi_enable_dma, }; +static const struct sdhci_acpi_slot sdhci_acpi_slot_int_emmc = { + .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE, + .caps2 = MMC_CAP2_HC_ERASE_SZ, + .flags = SDHCI_ACPI_RUNTIME_PM, +}; + static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sdio = { .quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON, .caps = MMC_CAP_NONREMOVABLE | MMC_CAP_POWER_OFF_CARD, @@ -94,23 +100,67 @@ static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sdio = { .pm_caps = MMC_PM_KEEP_POWER, }; +static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sd = { +}; + +struct sdhci_acpi_uid_slot { + const char *hid; + const char *uid; + const struct sdhci_acpi_slot *slot; +}; + +static const struct sdhci_acpi_uid_slot sdhci_acpi_uids[] = { + { "80860F14" , "1" , &sdhci_acpi_slot_int_emmc }, + { "80860F14" , "3" , &sdhci_acpi_slot_int_sd }, + { "INT33BB" , "2" , &sdhci_acpi_slot_int_sdio }, + { "INT33C6" , NULL, &sdhci_acpi_slot_int_sdio }, + { "PNP0D40" }, + { }, +}; + static const struct acpi_device_id sdhci_acpi_ids[] = { - { "INT33C6", (kernel_ulong_t)&sdhci_acpi_slot_int_sdio }, - { "PNP0D40" }, + { "80860F14" }, + { "INT33BB" }, + { "INT33C6" }, + { "PNP0D40" }, { }, }; MODULE_DEVICE_TABLE(acpi, sdhci_acpi_ids); -static const struct sdhci_acpi_slot *sdhci_acpi_get_slot(const char *hid) +static const struct sdhci_acpi_slot *sdhci_acpi_get_slot_by_ids(const char *hid, + const char *uid) { - const struct acpi_device_id *id; - - for (id = sdhci_acpi_ids; id->id[0]; id++) - if (!strcmp(id->id, hid)) - return (const struct sdhci_acpi_slot *)id->driver_data; + const struct sdhci_acpi_uid_slot *u; + + for (u = sdhci_acpi_uids; u->hid; u++) { + if (strcmp(u->hid, hid)) + continue; + if (!u->uid) + return u->slot; + if (uid && !strcmp(u->uid, uid)) + return u->slot; + } return NULL; } +static const struct sdhci_acpi_slot *sdhci_acpi_get_slot(acpi_handle handle, + const char *hid) +{ + const struct sdhci_acpi_slot *slot; + struct acpi_device_info *info; + const char *uid = NULL; + acpi_status status; + + status = acpi_get_object_info(handle, &info); + if (!ACPI_FAILURE(status) && (info->valid & ACPI_VALID_UID)) + uid = info->unique_id.string; + + slot = sdhci_acpi_get_slot_by_ids(hid, uid); + + kfree(info); + return slot; +} + static int sdhci_acpi_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -148,7 +198,7 @@ static int sdhci_acpi_probe(struct platform_device *pdev) c = sdhci_priv(host); c->host = host; - c->slot = sdhci_acpi_get_slot(hid); + c->slot = sdhci_acpi_get_slot(handle, hid); c->pdev = pdev; c->use_runtime_pm = sdhci_acpi_flag(c, SDHCI_ACPI_RUNTIME_PM); @@ -202,6 +252,7 @@ static int sdhci_acpi_probe(struct platform_device *pdev) goto err_free; if (c->use_runtime_pm) { + pm_runtime_set_active(dev); pm_suspend_ignore_children(dev, 1); pm_runtime_set_autosuspend_delay(dev, 50); pm_runtime_use_autosuspend(dev); diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index 67d6dde2ff19..d5f0d59e1310 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -85,6 +85,12 @@ struct pltfm_imx_data { struct clk *clk_ipg; struct clk *clk_ahb; struct clk *clk_per; + enum { + NO_CMD_PENDING, /* no multiblock command pending*/ + MULTIBLK_IN_PROCESS, /* exact multiblock cmd in process */ + WAIT_FOR_INT, /* sent CMD12, waiting for response INT */ + } multiblock_status; + }; static struct platform_device_id imx_esdhc_devtype[] = { @@ -154,6 +160,8 @@ static inline void esdhc_clrset_le(struct sdhci_host *host, u32 mask, u32 val, i static u32 esdhc_readl_le(struct sdhci_host *host, int reg) { + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct pltfm_imx_data *imx_data = pltfm_host->priv; u32 val = readl(host->ioaddr + reg); if (unlikely(reg == SDHCI_CAPABILITIES)) { @@ -175,6 +183,18 @@ static u32 esdhc_readl_le(struct sdhci_host *host, int reg) val &= ~ESDHC_INT_VENDOR_SPEC_DMA_ERR; val |= SDHCI_INT_ADMA_ERROR; } + + /* + * mask off the interrupt we get in response to the manually + * sent CMD12 + */ + if ((imx_data->multiblock_status == WAIT_FOR_INT) && + ((val & SDHCI_INT_RESPONSE) == SDHCI_INT_RESPONSE)) { + val &= ~SDHCI_INT_RESPONSE; + writel(SDHCI_INT_RESPONSE, host->ioaddr + + SDHCI_INT_STATUS); + imx_data->multiblock_status = NO_CMD_PENDING; + } } return val; @@ -211,6 +231,15 @@ static void esdhc_writel_le(struct sdhci_host *host, u32 val, int reg) v = readl(host->ioaddr + ESDHC_VENDOR_SPEC); v &= ~ESDHC_VENDOR_SPEC_SDIO_QUIRK; writel(v, host->ioaddr + ESDHC_VENDOR_SPEC); + + if (imx_data->multiblock_status == MULTIBLK_IN_PROCESS) + { + /* send a manual CMD12 with RESPTYP=none */ + data = MMC_STOP_TRANSMISSION << 24 | + SDHCI_CMD_ABORTCMD << 16; + writel(data, host->ioaddr + SDHCI_TRANSFER_MODE); + imx_data->multiblock_status = WAIT_FOR_INT; + } } if (unlikely(reg == SDHCI_INT_ENABLE || reg == SDHCI_SIGNAL_ENABLE)) { @@ -277,11 +306,13 @@ static void esdhc_writew_le(struct sdhci_host *host, u16 val, int reg) } return; case SDHCI_COMMAND: - if ((host->cmd->opcode == MMC_STOP_TRANSMISSION || - host->cmd->opcode == MMC_SET_BLOCK_COUNT) && - (imx_data->flags & ESDHC_FLAG_MULTIBLK_NO_INT)) + if (host->cmd->opcode == MMC_STOP_TRANSMISSION) val |= SDHCI_CMD_ABORTCMD; + if ((host->cmd->opcode == MMC_SET_BLOCK_COUNT) && + (imx_data->flags & ESDHC_FLAG_MULTIBLK_NO_INT)) + imx_data->multiblock_status = MULTIBLK_IN_PROCESS; + if (is_imx6q_usdhc(imx_data)) writel(val << 16, host->ioaddr + SDHCI_TRANSFER_MODE); @@ -324,8 +355,10 @@ static void esdhc_writeb_le(struct sdhci_host *host, u8 val, int reg) /* * Do not touch buswidth bits here. This is done in * esdhc_pltfm_bus_width. + * Do not touch the D3CD bit either which is used for the + * SDIO interrupt errata workaround. */ - mask = 0xffff & ~ESDHC_CTRL_BUSWIDTH_MASK; + mask = 0xffff & ~(ESDHC_CTRL_BUSWIDTH_MASK | ESDHC_CTRL_D3CD); esdhc_clrset_le(host, mask, new_val, reg); return; diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c index 0012d3fdc999..701d06d0e1fb 100644 --- a/drivers/mmc/host/sdhci-pci.c +++ b/drivers/mmc/host/sdhci-pci.c @@ -33,6 +33,9 @@ */ #define PCI_DEVICE_ID_INTEL_PCH_SDIO0 0x8809 #define PCI_DEVICE_ID_INTEL_PCH_SDIO1 0x880a +#define PCI_DEVICE_ID_INTEL_BYT_EMMC 0x0f14 +#define PCI_DEVICE_ID_INTEL_BYT_SDIO 0x0f15 +#define PCI_DEVICE_ID_INTEL_BYT_SD 0x0f16 /* * PCI registers @@ -304,6 +307,33 @@ static const struct sdhci_pci_fixes sdhci_intel_pch_sdio = { .probe_slot = pch_hc_probe_slot, }; +static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot) +{ + slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE; + slot->host->mmc->caps2 |= MMC_CAP2_HC_ERASE_SZ; + return 0; +} + +static int byt_sdio_probe_slot(struct sdhci_pci_slot *slot) +{ + slot->host->mmc->caps |= MMC_CAP_POWER_OFF_CARD | MMC_CAP_NONREMOVABLE; + return 0; +} + +static const struct sdhci_pci_fixes sdhci_intel_byt_emmc = { + .allow_runtime_pm = true, + .probe_slot = byt_emmc_probe_slot, +}; + +static const struct sdhci_pci_fixes sdhci_intel_byt_sdio = { + .quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON, + .allow_runtime_pm = true, + .probe_slot = byt_sdio_probe_slot, +}; + +static const struct sdhci_pci_fixes sdhci_intel_byt_sd = { +}; + /* O2Micro extra registers */ #define O2_SD_LOCK_WP 0xD3 #define O2_SD_MULTI_VCC3V 0xEE @@ -856,6 +886,30 @@ static const struct pci_device_id pci_ids[] = { }, { + .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_BYT_EMMC, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc, + }, + + { + .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_BYT_SDIO, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sdio, + }, + + { + .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_BYT_SD, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sd, + }, + + { .vendor = PCI_VENDOR_ID_O2, .device = PCI_DEVICE_ID_O2_8120, .subvendor = PCI_ANY_ID, diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c index 9b74d1e3ad44..6aa7b3266c80 100644 --- a/drivers/net/can/usb/esd_usb2.c +++ b/drivers/net/can/usb/esd_usb2.c @@ -612,9 +612,15 @@ static int esd_usb2_start(struct esd_usb2_net_priv *priv) { struct esd_usb2 *dev = priv->usb2; struct net_device *netdev = priv->netdev; - struct esd_usb2_msg msg; + struct esd_usb2_msg *msg; int err, i; + msg = kmalloc(sizeof(*msg), GFP_KERNEL); + if (!msg) { + err = -ENOMEM; + goto out; + } + /* * Enable all IDs * The IDADD message takes up to 64 32 bit bitmasks (2048 bits). @@ -628,33 +634,32 @@ static int esd_usb2_start(struct esd_usb2_net_priv *priv) * the number of the starting bitmask (0..64) to the filter.option * field followed by only some bitmasks. */ - msg.msg.hdr.cmd = CMD_IDADD; - msg.msg.hdr.len = 2 + ESD_MAX_ID_SEGMENT; - msg.msg.filter.net = priv->index; - msg.msg.filter.option = ESD_ID_ENABLE; /* start with segment 0 */ + msg->msg.hdr.cmd = CMD_IDADD; + msg->msg.hdr.len = 2 + ESD_MAX_ID_SEGMENT; + msg->msg.filter.net = priv->index; + msg->msg.filter.option = ESD_ID_ENABLE; /* start with segment 0 */ for (i = 0; i < ESD_MAX_ID_SEGMENT; i++) - msg.msg.filter.mask[i] = cpu_to_le32(0xffffffff); + msg->msg.filter.mask[i] = cpu_to_le32(0xffffffff); /* enable 29bit extended IDs */ - msg.msg.filter.mask[ESD_MAX_ID_SEGMENT] = cpu_to_le32(0x00000001); + msg->msg.filter.mask[ESD_MAX_ID_SEGMENT] = cpu_to_le32(0x00000001); - err = esd_usb2_send_msg(dev, &msg); + err = esd_usb2_send_msg(dev, msg); if (err) - goto failed; + goto out; err = esd_usb2_setup_rx_urbs(dev); if (err) - goto failed; + goto out; priv->can.state = CAN_STATE_ERROR_ACTIVE; - return 0; - -failed: +out: if (err == -ENODEV) netif_device_detach(netdev); + if (err) + netdev_err(netdev, "couldn't start device: %d\n", err); - netdev_err(netdev, "couldn't start device: %d\n", err); - + kfree(msg); return err; } @@ -833,26 +838,30 @@ nourbmem: static int esd_usb2_close(struct net_device *netdev) { struct esd_usb2_net_priv *priv = netdev_priv(netdev); - struct esd_usb2_msg msg; + struct esd_usb2_msg *msg; int i; + msg = kmalloc(sizeof(*msg), GFP_KERNEL); + if (!msg) + return -ENOMEM; + /* Disable all IDs (see esd_usb2_start()) */ - msg.msg.hdr.cmd = CMD_IDADD; - msg.msg.hdr.len = 2 + ESD_MAX_ID_SEGMENT; - msg.msg.filter.net = priv->index; - msg.msg.filter.option = ESD_ID_ENABLE; /* start with segment 0 */ + msg->msg.hdr.cmd = CMD_IDADD; + msg->msg.hdr.len = 2 + ESD_MAX_ID_SEGMENT; + msg->msg.filter.net = priv->index; + msg->msg.filter.option = ESD_ID_ENABLE; /* start with segment 0 */ for (i = 0; i <= ESD_MAX_ID_SEGMENT; i++) - msg.msg.filter.mask[i] = 0; - if (esd_usb2_send_msg(priv->usb2, &msg) < 0) + msg->msg.filter.mask[i] = 0; + if (esd_usb2_send_msg(priv->usb2, msg) < 0) netdev_err(netdev, "sending idadd message failed\n"); /* set CAN controller to reset mode */ - msg.msg.hdr.len = 2; - msg.msg.hdr.cmd = CMD_SETBAUD; - msg.msg.setbaud.net = priv->index; - msg.msg.setbaud.rsvd = 0; - msg.msg.setbaud.baud = cpu_to_le32(ESD_USB2_NO_BAUDRATE); - if (esd_usb2_send_msg(priv->usb2, &msg) < 0) + msg->msg.hdr.len = 2; + msg->msg.hdr.cmd = CMD_SETBAUD; + msg->msg.setbaud.net = priv->index; + msg->msg.setbaud.rsvd = 0; + msg->msg.setbaud.baud = cpu_to_le32(ESD_USB2_NO_BAUDRATE); + if (esd_usb2_send_msg(priv->usb2, msg) < 0) netdev_err(netdev, "sending setbaud message failed\n"); priv->can.state = CAN_STATE_STOPPED; @@ -861,6 +870,8 @@ static int esd_usb2_close(struct net_device *netdev) close_candev(netdev); + kfree(msg); + return 0; } @@ -886,7 +897,8 @@ static int esd_usb2_set_bittiming(struct net_device *netdev) { struct esd_usb2_net_priv *priv = netdev_priv(netdev); struct can_bittiming *bt = &priv->can.bittiming; - struct esd_usb2_msg msg; + struct esd_usb2_msg *msg; + int err; u32 canbtr; int sjw_shift; @@ -912,15 +924,22 @@ static int esd_usb2_set_bittiming(struct net_device *netdev) if (priv->can.ctrlmode & CAN_CTRLMODE_3_SAMPLES) canbtr |= ESD_USB2_3_SAMPLES; - msg.msg.hdr.len = 2; - msg.msg.hdr.cmd = CMD_SETBAUD; - msg.msg.setbaud.net = priv->index; - msg.msg.setbaud.rsvd = 0; - msg.msg.setbaud.baud = cpu_to_le32(canbtr); + msg = kmalloc(sizeof(*msg), GFP_KERNEL); + if (!msg) + return -ENOMEM; + + msg->msg.hdr.len = 2; + msg->msg.hdr.cmd = CMD_SETBAUD; + msg->msg.setbaud.net = priv->index; + msg->msg.setbaud.rsvd = 0; + msg->msg.setbaud.baud = cpu_to_le32(canbtr); netdev_info(netdev, "setting BTR=%#x\n", canbtr); - return esd_usb2_send_msg(priv->usb2, &msg); + err = esd_usb2_send_msg(priv->usb2, msg); + + kfree(msg); + return err; } static int esd_usb2_get_berr_counter(const struct net_device *netdev, @@ -1022,7 +1041,7 @@ static int esd_usb2_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct esd_usb2 *dev; - struct esd_usb2_msg msg; + struct esd_usb2_msg *msg; int i, err; dev = kzalloc(sizeof(*dev), GFP_KERNEL); @@ -1037,27 +1056,33 @@ static int esd_usb2_probe(struct usb_interface *intf, usb_set_intfdata(intf, dev); + msg = kmalloc(sizeof(*msg), GFP_KERNEL); + if (!msg) { + err = -ENOMEM; + goto free_msg; + } + /* query number of CAN interfaces (nets) */ - msg.msg.hdr.cmd = CMD_VERSION; - msg.msg.hdr.len = 2; - msg.msg.version.rsvd = 0; - msg.msg.version.flags = 0; - msg.msg.version.drv_version = 0; + msg->msg.hdr.cmd = CMD_VERSION; + msg->msg.hdr.len = 2; + msg->msg.version.rsvd = 0; + msg->msg.version.flags = 0; + msg->msg.version.drv_version = 0; - err = esd_usb2_send_msg(dev, &msg); + err = esd_usb2_send_msg(dev, msg); if (err < 0) { dev_err(&intf->dev, "sending version message failed\n"); - goto free_dev; + goto free_msg; } - err = esd_usb2_wait_msg(dev, &msg); + err = esd_usb2_wait_msg(dev, msg); if (err < 0) { dev_err(&intf->dev, "no version message answer\n"); - goto free_dev; + goto free_msg; } - dev->net_count = (int)msg.msg.version_reply.nets; - dev->version = le32_to_cpu(msg.msg.version_reply.version); + dev->net_count = (int)msg->msg.version_reply.nets; + dev->version = le32_to_cpu(msg->msg.version_reply.version); if (device_create_file(&intf->dev, &dev_attr_firmware)) dev_err(&intf->dev, @@ -1075,10 +1100,10 @@ static int esd_usb2_probe(struct usb_interface *intf, for (i = 0; i < dev->net_count; i++) esd_usb2_probe_one_net(intf, i); - return 0; - -free_dev: - kfree(dev); +free_msg: + kfree(msg); + if (err) + kfree(dev); done: return err; } diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c index 45cb9f3c1324..3b9546588240 100644 --- a/drivers/net/can/usb/kvaser_usb.c +++ b/drivers/net/can/usb/kvaser_usb.c @@ -136,6 +136,9 @@ #define KVASER_CTRL_MODE_SELFRECEPTION 3 #define KVASER_CTRL_MODE_OFF 4 +/* log message */ +#define KVASER_EXTENDED_FRAME BIT(31) + struct kvaser_msg_simple { u8 tid; u8 channel; @@ -817,8 +820,13 @@ static void kvaser_usb_rx_can_msg(const struct kvaser_usb *dev, priv = dev->nets[channel]; stats = &priv->netdev->stats; - if (msg->u.rx_can.flag & (MSG_FLAG_ERROR_FRAME | MSG_FLAG_NERR | - MSG_FLAG_OVERRUN)) { + if ((msg->u.rx_can.flag & MSG_FLAG_ERROR_FRAME) && + (msg->id == CMD_LOG_MESSAGE)) { + kvaser_usb_rx_error(dev, msg); + return; + } else if (msg->u.rx_can.flag & (MSG_FLAG_ERROR_FRAME | + MSG_FLAG_NERR | + MSG_FLAG_OVERRUN)) { kvaser_usb_rx_can_err(priv, msg); return; } else if (msg->u.rx_can.flag & ~MSG_FLAG_REMOTE_FRAME) { @@ -834,22 +842,40 @@ static void kvaser_usb_rx_can_msg(const struct kvaser_usb *dev, return; } - cf->can_id = ((msg->u.rx_can.msg[0] & 0x1f) << 6) | - (msg->u.rx_can.msg[1] & 0x3f); - cf->can_dlc = get_can_dlc(msg->u.rx_can.msg[5]); + if (msg->id == CMD_LOG_MESSAGE) { + cf->can_id = le32_to_cpu(msg->u.log_message.id); + if (cf->can_id & KVASER_EXTENDED_FRAME) + cf->can_id &= CAN_EFF_MASK | CAN_EFF_FLAG; + else + cf->can_id &= CAN_SFF_MASK; - if (msg->id == CMD_RX_EXT_MESSAGE) { - cf->can_id <<= 18; - cf->can_id |= ((msg->u.rx_can.msg[2] & 0x0f) << 14) | - ((msg->u.rx_can.msg[3] & 0xff) << 6) | - (msg->u.rx_can.msg[4] & 0x3f); - cf->can_id |= CAN_EFF_FLAG; - } + cf->can_dlc = get_can_dlc(msg->u.log_message.dlc); - if (msg->u.rx_can.flag & MSG_FLAG_REMOTE_FRAME) - cf->can_id |= CAN_RTR_FLAG; - else - memcpy(cf->data, &msg->u.rx_can.msg[6], cf->can_dlc); + if (msg->u.log_message.flags & MSG_FLAG_REMOTE_FRAME) + cf->can_id |= CAN_RTR_FLAG; + else + memcpy(cf->data, &msg->u.log_message.data, + cf->can_dlc); + } else { + cf->can_id = ((msg->u.rx_can.msg[0] & 0x1f) << 6) | + (msg->u.rx_can.msg[1] & 0x3f); + + if (msg->id == CMD_RX_EXT_MESSAGE) { + cf->can_id <<= 18; + cf->can_id |= ((msg->u.rx_can.msg[2] & 0x0f) << 14) | + ((msg->u.rx_can.msg[3] & 0xff) << 6) | + (msg->u.rx_can.msg[4] & 0x3f); + cf->can_id |= CAN_EFF_FLAG; + } + + cf->can_dlc = get_can_dlc(msg->u.rx_can.msg[5]); + + if (msg->u.rx_can.flag & MSG_FLAG_REMOTE_FRAME) + cf->can_id |= CAN_RTR_FLAG; + else + memcpy(cf->data, &msg->u.rx_can.msg[6], + cf->can_dlc); + } netif_rx(skb); @@ -911,6 +937,7 @@ static void kvaser_usb_handle_message(const struct kvaser_usb *dev, case CMD_RX_STD_MESSAGE: case CMD_RX_EXT_MESSAGE: + case CMD_LOG_MESSAGE: kvaser_usb_rx_can_msg(dev, msg); break; @@ -919,11 +946,6 @@ static void kvaser_usb_handle_message(const struct kvaser_usb *dev, kvaser_usb_rx_error(dev, msg); break; - case CMD_LOG_MESSAGE: - if (msg->u.log_message.flags & MSG_FLAG_ERROR_FRAME) - kvaser_usb_rx_error(dev, msg); - break; - case CMD_TX_ACKNOWLEDGE: kvaser_usb_tx_acknowledge(dev, msg); break; diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c index 30d79bfa5b10..8ee9d1556e6e 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c @@ -504,15 +504,24 @@ static int pcan_usb_pro_restart_async(struct peak_usb_device *dev, return usb_submit_urb(urb, GFP_ATOMIC); } -static void pcan_usb_pro_drv_loaded(struct peak_usb_device *dev, int loaded) +static int pcan_usb_pro_drv_loaded(struct peak_usb_device *dev, int loaded) { - u8 buffer[16]; + u8 *buffer; + int err; + + buffer = kmalloc(PCAN_USBPRO_FCT_DRVLD_REQ_LEN, GFP_KERNEL); + if (!buffer) + return -ENOMEM; buffer[0] = 0; buffer[1] = !!loaded; - pcan_usb_pro_send_req(dev, PCAN_USBPRO_REQ_FCT, - PCAN_USBPRO_FCT_DRVLD, buffer, sizeof(buffer)); + err = pcan_usb_pro_send_req(dev, PCAN_USBPRO_REQ_FCT, + PCAN_USBPRO_FCT_DRVLD, buffer, + PCAN_USBPRO_FCT_DRVLD_REQ_LEN); + kfree(buffer); + + return err; } static inline @@ -851,21 +860,24 @@ static int pcan_usb_pro_stop(struct peak_usb_device *dev) */ static int pcan_usb_pro_init(struct peak_usb_device *dev) { - struct pcan_usb_pro_interface *usb_if; struct pcan_usb_pro_device *pdev = container_of(dev, struct pcan_usb_pro_device, dev); + struct pcan_usb_pro_interface *usb_if = NULL; + struct pcan_usb_pro_fwinfo *fi = NULL; + struct pcan_usb_pro_blinfo *bi = NULL; + int err; /* do this for 1st channel only */ if (!dev->prev_siblings) { - struct pcan_usb_pro_fwinfo fi; - struct pcan_usb_pro_blinfo bi; - int err; - /* allocate netdevices common structure attached to first one */ usb_if = kzalloc(sizeof(struct pcan_usb_pro_interface), GFP_KERNEL); - if (!usb_if) - return -ENOMEM; + fi = kmalloc(sizeof(struct pcan_usb_pro_fwinfo), GFP_KERNEL); + bi = kmalloc(sizeof(struct pcan_usb_pro_blinfo), GFP_KERNEL); + if (!usb_if || !fi || !bi) { + err = -ENOMEM; + goto err_out; + } /* number of ts msgs to ignore before taking one into account */ usb_if->cm_ignore_count = 5; @@ -877,34 +889,34 @@ static int pcan_usb_pro_init(struct peak_usb_device *dev) */ err = pcan_usb_pro_send_req(dev, PCAN_USBPRO_REQ_INFO, PCAN_USBPRO_INFO_FW, - &fi, sizeof(fi)); + fi, sizeof(*fi)); if (err) { - kfree(usb_if); dev_err(dev->netdev->dev.parent, "unable to read %s firmware info (err %d)\n", pcan_usb_pro.name, err); - return err; + goto err_out; } err = pcan_usb_pro_send_req(dev, PCAN_USBPRO_REQ_INFO, PCAN_USBPRO_INFO_BL, - &bi, sizeof(bi)); + bi, sizeof(*bi)); if (err) { - kfree(usb_if); dev_err(dev->netdev->dev.parent, "unable to read %s bootloader info (err %d)\n", pcan_usb_pro.name, err); - return err; + goto err_out; } + /* tell the device the can driver is running */ + err = pcan_usb_pro_drv_loaded(dev, 1); + if (err) + goto err_out; + dev_info(dev->netdev->dev.parent, "PEAK-System %s hwrev %u serial %08X.%08X (%u channels)\n", pcan_usb_pro.name, - bi.hw_rev, bi.serial_num_hi, bi.serial_num_lo, + bi->hw_rev, bi->serial_num_hi, bi->serial_num_lo, pcan_usb_pro.ctrl_count); - - /* tell the device the can driver is running */ - pcan_usb_pro_drv_loaded(dev, 1); } else { usb_if = pcan_usb_pro_dev_if(dev->prev_siblings); } @@ -916,6 +928,13 @@ static int pcan_usb_pro_init(struct peak_usb_device *dev) pcan_usb_pro_set_led(dev, 0, 1); return 0; + + err_out: + kfree(bi); + kfree(fi); + kfree(usb_if); + + return err; } static void pcan_usb_pro_exit(struct peak_usb_device *dev) diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_pro.h b/drivers/net/can/usb/peak_usb/pcan_usb_pro.h index a869918c5620..32275af547e0 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.h +++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.h @@ -29,6 +29,7 @@ /* Vendor Request value for XXX_FCT */ #define PCAN_USBPRO_FCT_DRVLD 5 /* tell device driver is loaded */ +#define PCAN_USBPRO_FCT_DRVLD_REQ_LEN 16 /* PCAN_USBPRO_INFO_BL vendor request record type */ struct __packed pcan_usb_pro_blinfo { diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index 14b5acd8eafc..4e42bdd7c522 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -3191,11 +3191,11 @@ static u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb) rc |= XMIT_CSUM_TCP; if (skb_is_gso_v6(skb)) { - rc |= (XMIT_GSO_V6 | XMIT_CSUM_TCP | XMIT_CSUM_V6); + rc |= (XMIT_GSO_V6 | XMIT_CSUM_TCP); if (rc & XMIT_CSUM_ENC) rc |= XMIT_GSO_ENC_V6; } else if (skb_is_gso(skb)) { - rc |= (XMIT_GSO_V4 | XMIT_CSUM_V4 | XMIT_CSUM_TCP); + rc |= (XMIT_GSO_V4 | XMIT_CSUM_TCP); if (rc & XMIT_CSUM_ENC) rc |= XMIT_GSO_ENC_V4; } @@ -3482,19 +3482,18 @@ static void bnx2x_update_pbds_gso_enc(struct sk_buff *skb, { u16 hlen_w = 0; u8 outerip_off, outerip_len = 0; + /* from outer IP to transport */ hlen_w = (skb_inner_transport_header(skb) - skb_network_header(skb)) >> 1; /* transport len */ - if (xmit_type & XMIT_CSUM_TCP) - hlen_w += inner_tcp_hdrlen(skb) >> 1; - else - hlen_w += sizeof(struct udphdr) >> 1; + hlen_w += inner_tcp_hdrlen(skb) >> 1; pbd2->fw_ip_hdr_to_payload_w = hlen_w; - if (xmit_type & XMIT_CSUM_ENC_V4) { + /* outer IP header info */ + if (xmit_type & XMIT_CSUM_V4) { struct iphdr *iph = ip_hdr(skb); pbd2->fw_ip_csum_wo_len_flags_frag = bswab16(csum_fold((~iph->check) - @@ -3817,8 +3816,7 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) bnx2x_set_pbd_gso_e2(skb, &pbd_e2_parsing_data, xmit_type); else - bnx2x_set_pbd_gso(skb, pbd_e1x, tx_start_bd, - xmit_type); + bnx2x_set_pbd_gso(skb, pbd_e1x, first_bd, xmit_type); } /* Set the PBD's parsing_data field if not zero diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 3cfae0e49207..28a645fc68bf 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -9568,6 +9568,14 @@ static void tg3_rss_write_indir_tbl(struct tg3 *tp) } } +static inline u32 tg3_lso_rd_dma_workaround_bit(struct tg3 *tp) +{ + if (tg3_asic_rev(tp) == ASIC_REV_5719) + return TG3_LSO_RD_DMA_TX_LENGTH_WA_5719; + else + return TG3_LSO_RD_DMA_TX_LENGTH_WA_5720; +} + /* tp->lock is held. */ static int tg3_reset_hw(struct tg3 *tp, bool reset_phy) { @@ -10224,16 +10232,17 @@ static int tg3_reset_hw(struct tg3 *tp, bool reset_phy) tw32_f(RDMAC_MODE, rdmac_mode); udelay(40); - if (tg3_asic_rev(tp) == ASIC_REV_5719) { + if (tg3_asic_rev(tp) == ASIC_REV_5719 || + tg3_asic_rev(tp) == ASIC_REV_5720) { for (i = 0; i < TG3_NUM_RDMA_CHANNELS; i++) { if (tr32(TG3_RDMA_LENGTH + (i << 2)) > TG3_MAX_MTU(tp)) break; } if (i < TG3_NUM_RDMA_CHANNELS) { val = tr32(TG3_LSO_RD_DMA_CRPTEN_CTRL); - val |= TG3_LSO_RD_DMA_TX_LENGTH_WA; + val |= tg3_lso_rd_dma_workaround_bit(tp); tw32(TG3_LSO_RD_DMA_CRPTEN_CTRL, val); - tg3_flag_set(tp, 5719_RDMA_BUG); + tg3_flag_set(tp, 5719_5720_RDMA_BUG); } } @@ -10597,15 +10606,15 @@ static void tg3_periodic_fetch_stats(struct tg3 *tp) TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST); TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST); TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST); - if (unlikely(tg3_flag(tp, 5719_RDMA_BUG) && + if (unlikely(tg3_flag(tp, 5719_5720_RDMA_BUG) && (sp->tx_ucast_packets.low + sp->tx_mcast_packets.low + sp->tx_bcast_packets.low) > TG3_NUM_RDMA_CHANNELS)) { u32 val; val = tr32(TG3_LSO_RD_DMA_CRPTEN_CTRL); - val &= ~TG3_LSO_RD_DMA_TX_LENGTH_WA; + val &= ~tg3_lso_rd_dma_workaround_bit(tp); tw32(TG3_LSO_RD_DMA_CRPTEN_CTRL, val); - tg3_flag_clear(tp, 5719_RDMA_BUG); + tg3_flag_clear(tp, 5719_5720_RDMA_BUG); } TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS); diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h index 2530c20dd823..cd63d1189aae 100644 --- a/drivers/net/ethernet/broadcom/tg3.h +++ b/drivers/net/ethernet/broadcom/tg3.h @@ -1423,7 +1423,8 @@ #define TG3_LSO_RD_DMA_CRPTEN_CTRL 0x00004910 #define TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_BD_4K 0x00030000 #define TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_LSO_4K 0x000c0000 -#define TG3_LSO_RD_DMA_TX_LENGTH_WA 0x02000000 +#define TG3_LSO_RD_DMA_TX_LENGTH_WA_5719 0x02000000 +#define TG3_LSO_RD_DMA_TX_LENGTH_WA_5720 0x00200000 /* 0x4914 --> 0x4be0 unused */ #define TG3_NUM_RDMA_CHANNELS 4 @@ -3060,7 +3061,7 @@ enum TG3_FLAGS { TG3_FLAG_APE_HAS_NCSI, TG3_FLAG_TX_TSTAMP_EN, TG3_FLAG_4K_FIFO_LIMIT, - TG3_FLAG_5719_RDMA_BUG, + TG3_FLAG_5719_5720_RDMA_BUG, TG3_FLAG_RESET_TASK_PENDING, TG3_FLAG_PTP_CAPABLE, TG3_FLAG_5705_PLUS, diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index fcc30a2d831b..c827b1b6b1ce 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -262,6 +262,7 @@ struct be_rx_compl_info { u8 ipv6; u8 vtm; u8 pkt_type; + u8 ip_frag; }; struct be_rx_obj { diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c index 4d0ec3649a63..6e6e0a117ee2 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.c +++ b/drivers/net/ethernet/emulex/benet/be_cmds.c @@ -562,7 +562,7 @@ int lancer_test_and_set_rdy_state(struct be_adapter *adapter) resource_error = lancer_provisioning_error(adapter); if (resource_error) - return -1; + return -EAGAIN; status = lancer_wait_ready(adapter); if (!status) { @@ -590,8 +590,8 @@ int lancer_test_and_set_rdy_state(struct be_adapter *adapter) * when PF provisions resources. */ resource_error = lancer_provisioning_error(adapter); - if (status == -1 && !resource_error) - adapter->eeh_error = true; + if (resource_error) + status = -EAGAIN; return status; } diff --git a/drivers/net/ethernet/emulex/benet/be_hw.h b/drivers/net/ethernet/emulex/benet/be_hw.h index 0311d9bfe858..3e2162121601 100644 --- a/drivers/net/ethernet/emulex/benet/be_hw.h +++ b/drivers/net/ethernet/emulex/benet/be_hw.h @@ -358,7 +358,7 @@ struct amap_eth_rx_compl_v0 { u8 ip_version; /* dword 1 */ u8 macdst[6]; /* dword 1 */ u8 vtp; /* dword 1 */ - u8 rsvd0; /* dword 1 */ + u8 ip_frag; /* dword 1 */ u8 fragndx[10]; /* dword 1 */ u8 ct[2]; /* dword 1 */ u8 sw; /* dword 1 */ diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 5d9044e4afe2..9aef457dacbb 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -1625,6 +1625,8 @@ static void be_parse_rx_compl_v0(struct be_eth_rx_compl *compl, compl); } rxcp->port = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, port, compl); + rxcp->ip_frag = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, + ip_frag, compl); } static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo) @@ -1646,6 +1648,9 @@ static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo) else be_parse_rx_compl_v0(compl, rxcp); + if (rxcp->ip_frag) + rxcp->l4_csum = 0; + if (rxcp->vlanf) { /* vlanf could be wrongly set in some cards. * ignore if vtm is not set */ @@ -2194,7 +2199,7 @@ static irqreturn_t be_msix(int irq, void *dev) static inline bool do_gro(struct be_rx_compl_info *rxcp) { - return (rxcp->tcpf && !rxcp->err) ? true : false; + return (rxcp->tcpf && !rxcp->err && rxcp->l4_csum) ? true : false; } static int be_process_rx(struct be_rx_obj *rxo, struct napi_struct *napi, @@ -4090,6 +4095,7 @@ static int be_get_initial_config(struct be_adapter *adapter) static int lancer_recover_func(struct be_adapter *adapter) { + struct device *dev = &adapter->pdev->dev; int status; status = lancer_test_and_set_rdy_state(adapter); @@ -4101,8 +4107,7 @@ static int lancer_recover_func(struct be_adapter *adapter) be_clear(adapter); - adapter->hw_error = false; - adapter->fw_timeout = false; + be_clear_all_error(adapter); status = be_setup(adapter); if (status) @@ -4114,13 +4119,13 @@ static int lancer_recover_func(struct be_adapter *adapter) goto err; } - dev_err(&adapter->pdev->dev, - "Adapter SLIPORT recovery succeeded\n"); + dev_err(dev, "Error recovery successful\n"); return 0; err: - if (adapter->eeh_error) - dev_err(&adapter->pdev->dev, - "Adapter SLIPORT recovery failed\n"); + if (status == -EAGAIN) + dev_err(dev, "Waiting for resource provisioning\n"); + else + dev_err(dev, "Error recovery failed\n"); return status; } @@ -4129,28 +4134,27 @@ static void be_func_recovery_task(struct work_struct *work) { struct be_adapter *adapter = container_of(work, struct be_adapter, func_recovery_work.work); - int status; + int status = 0; be_detect_error(adapter); if (adapter->hw_error && lancer_chip(adapter)) { - if (adapter->eeh_error) - goto out; - rtnl_lock(); netif_device_detach(adapter->netdev); rtnl_unlock(); status = lancer_recover_func(adapter); - if (!status) netif_device_attach(adapter->netdev); } -out: - schedule_delayed_work(&adapter->func_recovery_work, - msecs_to_jiffies(1000)); + /* In Lancer, for all errors other than provisioning error (-EAGAIN), + * no need to attempt further recovery. + */ + if (!status || status == -EAGAIN) + schedule_delayed_work(&adapter->func_recovery_work, + msecs_to_jiffies(1000)); } static void be_worker(struct work_struct *work) @@ -4433,20 +4437,19 @@ static pci_ers_result_t be_eeh_err_detected(struct pci_dev *pdev, dev_err(&adapter->pdev->dev, "EEH error detected\n"); - adapter->eeh_error = true; - - cancel_delayed_work_sync(&adapter->func_recovery_work); + if (!adapter->eeh_error) { + adapter->eeh_error = true; - rtnl_lock(); - netif_device_detach(netdev); - rtnl_unlock(); + cancel_delayed_work_sync(&adapter->func_recovery_work); - if (netif_running(netdev)) { rtnl_lock(); - be_close(netdev); + netif_device_detach(netdev); + if (netif_running(netdev)) + be_close(netdev); rtnl_unlock(); + + be_clear(adapter); } - be_clear(adapter); if (state == pci_channel_io_perm_failure) return PCI_ERS_RESULT_DISCONNECT; @@ -4471,7 +4474,6 @@ static pci_ers_result_t be_eeh_reset(struct pci_dev *pdev) int status; dev_info(&adapter->pdev->dev, "EEH reset\n"); - be_clear_all_error(adapter); status = pci_enable_device(pdev); if (status) @@ -4489,6 +4491,7 @@ static pci_ers_result_t be_eeh_reset(struct pci_dev *pdev) return PCI_ERS_RESULT_DISCONNECT; pci_cleanup_aer_uncorrect_error_status(pdev); + be_clear_all_error(adapter); return PCI_ERS_RESULT_RECOVERED; } diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 9b0c6472bf04..c42c42a0cc57 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -1037,6 +1037,18 @@ static void fec_get_mac(struct net_device *ndev) iap = &tmpaddr[0]; } + /* + * 5) random mac address + */ + if (!is_valid_ether_addr(iap)) { + /* Report it and use a random ethernet address instead */ + netdev_err(ndev, "Invalid MAC address: %pM\n", iap); + eth_hw_addr_random(ndev); + netdev_info(ndev, "Using random MAC address: %pM\n", + ndev->dev_addr); + return; + } + memcpy(ndev->dev_addr, iap, ETH_ALEN); /* Adjust MAC if using macaddr */ diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c index 1df56cc50ee9..0e572a527154 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c @@ -222,8 +222,6 @@ static int mlx4_comm_cmd_poll(struct mlx4_dev *dev, u8 cmd, u16 param, * FLR process. The only non-zero result in the RESET command * is MLX4_DELAY_RESET_SLAVE*/ if ((MLX4_COMM_CMD_RESET == cmd)) { - mlx4_warn(dev, "Got slave FLRed from Communication" - " channel (ret:0x%x)\n", ret_from_pending); err = MLX4_DELAY_RESET_SLAVE; } else { mlx4_warn(dev, "Communication channel timed out\n"); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index b35f94700093..89c47ea84b50 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -1323,6 +1323,7 @@ static void mlx4_en_auto_moderation(struct mlx4_en_priv *priv) priv->last_moder_time[ring] = moder_time; cq = &priv->rx_cq[ring]; cq->moder_time = moder_time; + cq->moder_cnt = priv->rx_frames; err = mlx4_en_set_cq_moder(priv, cq); if (err) en_err(priv, "Failed modifying moderation for cq:%d\n", @@ -2118,6 +2119,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, struct mlx4_en_priv *priv; int i; int err; + u64 mac_u64; dev = alloc_etherdev_mqs(sizeof(struct mlx4_en_priv), MAX_TX_RINGS, MAX_RX_RINGS); @@ -2191,10 +2193,17 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, dev->addr_len = ETH_ALEN; mlx4_en_u64_to_mac(dev->dev_addr, mdev->dev->caps.def_mac[priv->port]); if (!is_valid_ether_addr(dev->dev_addr)) { - en_err(priv, "Port: %d, invalid mac burned: %pM, quiting\n", - priv->port, dev->dev_addr); - err = -EINVAL; - goto out; + if (mlx4_is_slave(priv->mdev->dev)) { + eth_hw_addr_random(dev); + en_warn(priv, "Assigned random MAC address %pM\n", dev->dev_addr); + mac_u64 = mlx4_en_mac_to_u64(dev->dev_addr); + mdev->dev->caps.def_mac[priv->port] = mac_u64; + } else { + en_err(priv, "Port: %d, invalid mac burned: %pM, quiting\n", + priv->port, dev->dev_addr); + err = -EINVAL; + goto out; + } } memcpy(priv->prev_mac, dev->dev_addr, sizeof(priv->prev_mac)); diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 58a8e535d698..2c97901c6a6d 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -840,12 +840,16 @@ int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave, MLX4_CMD_NATIVE); if (!err && dev->caps.function != slave) { - /* set slave default_mac address */ - MLX4_GET(def_mac, outbox->buf, QUERY_PORT_MAC_OFFSET); - def_mac += slave << 8; /* if config MAC in DB use it */ if (priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac) def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac; + else { + /* set slave default_mac address */ + MLX4_GET(def_mac, outbox->buf, QUERY_PORT_MAC_OFFSET); + def_mac += slave << 8; + priv->mfunc.master.vf_admin[slave].vport[vhcr->in_modifier].mac = def_mac; + } + MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET); /* get port type - currently only eth is enabled */ diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 0d32a82458bf..2f4a26039e80 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -1290,7 +1290,6 @@ static int mlx4_init_slave(struct mlx4_dev *dev) { struct mlx4_priv *priv = mlx4_priv(dev); u64 dma = (u64) priv->mfunc.vhcr_dma; - int num_of_reset_retries = NUM_OF_RESET_RETRIES; int ret_from_reset = 0; u32 slave_read; u32 cmd_channel_ver; @@ -1304,18 +1303,10 @@ static int mlx4_init_slave(struct mlx4_dev *dev) * NUM_OF_RESET_RETRIES times before leaving.*/ if (ret_from_reset) { if (MLX4_DELAY_RESET_SLAVE == ret_from_reset) { - msleep(SLEEP_TIME_IN_RESET); - while (ret_from_reset && num_of_reset_retries) { - mlx4_warn(dev, "slave is currently in the" - "middle of FLR. retrying..." - "(try num:%d)\n", - (NUM_OF_RESET_RETRIES - - num_of_reset_retries + 1)); - ret_from_reset = - mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, - 0, MLX4_COMM_TIME); - num_of_reset_retries = num_of_reset_retries - 1; - } + mlx4_warn(dev, "slave is currently in the " + "middle of FLR. Deferring probe.\n"); + mutex_unlock(&priv->cmd.slave_cmd_mutex); + return -EPROBE_DEFER; } else goto err; } @@ -1526,7 +1517,8 @@ static int mlx4_init_hca(struct mlx4_dev *dev) } else { err = mlx4_init_slave(dev); if (err) { - mlx4_err(dev, "Failed to initialize slave\n"); + if (err != -EPROBE_DEFER) + mlx4_err(dev, "Failed to initialize slave\n"); return err; } diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c index e04d471acb10..2553cf4503b9 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c @@ -4717,6 +4717,7 @@ static int qlge_probe(struct pci_dev *pdev, dev_err(&pdev->dev, "net device registration failed.\n"); ql_release_all(pdev); pci_disable_device(pdev); + free_netdev(ndev); return err; } /* Start up the timer to trigger EEH if diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c index c4d8aeffb4ba..1cd131bde680 100644 --- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c +++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c @@ -963,7 +963,8 @@ static int xemaclite_open(struct net_device *dev) phy_write(lp->phy_dev, MII_CTRL1000, 0); /* Advertise only 10 and 100mbps full/half duplex speeds */ - phy_write(lp->phy_dev, MII_ADVERTISE, ADVERTISE_ALL); + phy_write(lp->phy_dev, MII_ADVERTISE, ADVERTISE_ALL | + ADVERTISE_CSMA); /* Restart auto negotiation */ bmcr = phy_read(lp->phy_dev, MII_BMCR); diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 088c55496191..ab2307b5d9a7 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -31,6 +31,7 @@ #include <linux/inetdevice.h> #include <linux/etherdevice.h> #include <linux/skbuff.h> +#include <linux/if_vlan.h> #include <linux/in.h> #include <linux/slab.h> #include <net/arp.h> @@ -284,7 +285,7 @@ int netvsc_recv_callback(struct hv_device *device_obj, skb->protocol = eth_type_trans(skb, net); skb->ip_summed = CHECKSUM_NONE; - skb->vlan_tci = packet->vlan_tci; + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), packet->vlan_tci); net->stats.rx_packets++; net->stats.rx_bytes += packet->total_data_buflen; diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index b2a94e436ed8..10d058ab4f79 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -1050,7 +1050,7 @@ int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable) adv = mmd_eee_adv_to_ethtool_adv_t(eee_adv); lp = mmd_eee_adv_to_ethtool_adv_t(eee_lp); idx = phy_find_setting(phydev->speed, phydev->duplex); - if ((lp & adv & settings[idx].setting)) + if (!(lp & adv & settings[idx].setting)) goto eee_exit; if (clk_stop_enable) { diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 9273f48a512b..04e9adb748c5 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -2374,7 +2374,8 @@ static int team_nl_send_port_list_get(struct team *team, u32 portid, u32 seq, bool incomplete; int i; - port = list_first_entry(&team->port_list, struct team_port, list); + port = list_first_entry_or_null(&team->port_list, + struct team_port, list); start_again: err = __send_and_alloc_skb(&skb, team, portid, send_func); @@ -2402,8 +2403,8 @@ start_again: err = team_nl_fill_one_port_get(skb, one_port); if (err) goto errout; - } else { - list_for_each_entry(port, &team->port_list, list) { + } else if (port) { + list_for_each_entry_from(port, &team->port_list, list) { err = team_nl_fill_one_port_get(skb, port); if (err) { if (err == -EMSGSIZE) { diff --git a/drivers/net/tun.c b/drivers/net/tun.c index f042b0373e5d..89776c592151 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1585,6 +1585,10 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr) else return -EINVAL; + if (!!(ifr->ifr_flags & IFF_MULTI_QUEUE) != + !!(tun->flags & TUN_TAP_MQ)) + return -EINVAL; + if (tun_not_capable(tun)) return -EPERM; err = security_tun_dev_open(tun->security); diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h index 54ba42f4108a..874f6570bd1c 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h @@ -68,13 +68,16 @@ #define AR9300_BASE_ADDR 0x3ff #define AR9300_BASE_ADDR_512 0x1ff -#define AR9300_OTP_BASE (AR_SREV_9340(ah) ? 0x30000 : 0x14000) -#define AR9300_OTP_STATUS (AR_SREV_9340(ah) ? 0x30018 : 0x15f18) +#define AR9300_OTP_BASE \ + ((AR_SREV_9340(ah) || AR_SREV_9550(ah)) ? 0x30000 : 0x14000) +#define AR9300_OTP_STATUS \ + ((AR_SREV_9340(ah) || AR_SREV_9550(ah)) ? 0x30018 : 0x15f18) #define AR9300_OTP_STATUS_TYPE 0x7 #define AR9300_OTP_STATUS_VALID 0x4 #define AR9300_OTP_STATUS_ACCESS_BUSY 0x2 #define AR9300_OTP_STATUS_SM_BUSY 0x1 -#define AR9300_OTP_READ_DATA (AR_SREV_9340(ah) ? 0x3001c : 0x15f1c) +#define AR9300_OTP_READ_DATA \ + ((AR_SREV_9340(ah) || AR_SREV_9550(ah)) ? 0x3001c : 0x15f1c) enum targetPowerHTRates { HT_TARGET_RATE_0_8_16, diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c index 2bf6548dd143..e1714d7c9eeb 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c @@ -334,7 +334,8 @@ static void ar9003_hw_spur_ofdm(struct ath_hw *ah, REG_RMW_FIELD(ah, AR_PHY_SPUR_REG, AR_PHY_SPUR_REG_EN_VIT_SPUR_RSSI, 1); - if (REG_READ_FIELD(ah, AR_PHY_MODE, + if (!AR_SREV_9340(ah) && + REG_READ_FIELD(ah, AR_PHY_MODE, AR_PHY_MODE_DYNAMIC) == 0x1) REG_RMW_FIELD(ah, AR_PHY_SPUR_REG, AR_PHY_SPUR_REG_ENABLE_NF_RSSI_SPUR_MIT, 1); diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index 366002f266f8..42b03dc39d14 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -251,10 +251,9 @@ struct ath_atx_tid { int tidno; int baw_head; /* first un-acked tx buffer */ int baw_tail; /* next unused tx buffer slot */ - int sched; - int paused; - u8 state; - bool stop_cb; + bool sched; + bool paused; + bool active; }; struct ath_node { @@ -275,10 +274,6 @@ struct ath_node { #endif }; -#define AGGR_CLEANUP BIT(1) -#define AGGR_ADDBA_COMPLETE BIT(2) -#define AGGR_ADDBA_PROGRESS BIT(3) - struct ath_tx_control { struct ath_txq *txq; struct ath_node *an; @@ -352,8 +347,7 @@ void ath_tx_tasklet(struct ath_softc *sc); void ath_tx_edma_tasklet(struct ath_softc *sc); int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid, u16 *ssn); -bool ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid, - bool flush); +void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid); void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid); void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an); diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 7f25da8444fe..15dfefcf2d0f 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1172,6 +1172,7 @@ u32 ath9k_regd_get_ctl(struct ath_regulatory *reg, struct ath9k_channel *chan) static inline void ath9k_hw_set_dma(struct ath_hw *ah) { struct ath_common *common = ath9k_hw_common(ah); + int txbuf_size; ENABLE_REGWRITE_BUFFER(ah); @@ -1225,13 +1226,17 @@ static inline void ath9k_hw_set_dma(struct ath_hw *ah) * So set the usable tx buf size also to half to * avoid data/delimiter underruns */ - REG_WRITE(ah, AR_PCU_TXBUF_CTRL, - AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE); - } else if (!AR_SREV_9271(ah)) { - REG_WRITE(ah, AR_PCU_TXBUF_CTRL, - AR_PCU_TXBUF_CTRL_USABLE_SIZE); + txbuf_size = AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE; + } else if (AR_SREV_9340_13_OR_LATER(ah)) { + /* Uses fewer entries for AR934x v1.3+ to prevent rx overruns */ + txbuf_size = AR_9340_PCU_TXBUF_CTRL_USABLE_SIZE; + } else { + txbuf_size = AR_PCU_TXBUF_CTRL_USABLE_SIZE; } + if (!AR_SREV_9271(ah)) + REG_WRITE(ah, AR_PCU_TXBUF_CTRL, txbuf_size); + REGWRITE_BUFFER_FLUSH(ah); if (AR_SREV_9300_20_OR_LATER(ah)) @@ -1306,9 +1311,13 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type) AR_RTC_RC_COLD_RESET | AR_RTC_RC_WARM_RESET; } else { tmpReg = REG_READ(ah, AR_INTR_SYNC_CAUSE); - if (tmpReg & - (AR_INTR_SYNC_LOCAL_TIMEOUT | - AR_INTR_SYNC_RADM_CPL_TIMEOUT)) { + if (AR_SREV_9340(ah)) + tmpReg &= AR9340_INTR_SYNC_LOCAL_TIMEOUT; + else + tmpReg &= AR_INTR_SYNC_LOCAL_TIMEOUT | + AR_INTR_SYNC_RADM_CPL_TIMEOUT; + + if (tmpReg) { u32 val; REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0); diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c index 498fee04afa0..566109a40fb3 100644 --- a/drivers/net/wireless/ath/ath9k/mac.c +++ b/drivers/net/wireless/ath/ath9k/mac.c @@ -410,7 +410,7 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q) REG_WRITE(ah, AR_QMISC(q), AR_Q_MISC_DCU_EARLY_TERM_REQ); - if (AR_SREV_9340(ah)) + if (AR_SREV_9340(ah) && !AR_SREV_9340_13_OR_LATER(ah)) REG_WRITE(ah, AR_DMISC(q), AR_D_MISC_CW_BKOFF_EN | AR_D_MISC_FRAG_WAIT_EN | 0x1); else diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 2382d1262e7f..5092ecae7706 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -1709,7 +1709,8 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw, flush = true; case IEEE80211_AMPDU_TX_STOP_CONT: ath9k_ps_wakeup(sc); - if (ath_tx_aggr_stop(sc, sta, tid, flush)) + ath_tx_aggr_stop(sc, sta, tid); + if (!flush) ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); ath9k_ps_restore(sc); break; diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c index aa4d368d8d3d..7eb1f4b458e4 100644 --- a/drivers/net/wireless/ath/ath9k/rc.c +++ b/drivers/net/wireless/ath/ath9k/rc.c @@ -1227,10 +1227,7 @@ static bool ath_tx_aggr_check(struct ath_softc *sc, struct ieee80211_sta *sta, return false; txtid = ATH_AN_2_TID(an, tidno); - - if (!(txtid->state & (AGGR_ADDBA_COMPLETE | AGGR_ADDBA_PROGRESS))) - return true; - return false; + return !txtid->active; } diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h index 5c4ab5026dca..f7c90cc58d56 100644 --- a/drivers/net/wireless/ath/ath9k/reg.h +++ b/drivers/net/wireless/ath/ath9k/reg.h @@ -798,6 +798,10 @@ #define AR_SREV_REVISION_9485_10 0 #define AR_SREV_REVISION_9485_11 1 #define AR_SREV_VERSION_9340 0x300 +#define AR_SREV_REVISION_9340_10 0 +#define AR_SREV_REVISION_9340_11 1 +#define AR_SREV_REVISION_9340_12 2 +#define AR_SREV_REVISION_9340_13 3 #define AR_SREV_VERSION_9580 0x1C0 #define AR_SREV_REVISION_9580_10 4 /* AR9580 1.0 */ #define AR_SREV_VERSION_9462 0x280 @@ -897,6 +901,10 @@ #define AR_SREV_9340(_ah) \ (((_ah)->hw_version.macVersion == AR_SREV_VERSION_9340)) +#define AR_SREV_9340_13_OR_LATER(_ah) \ + (AR_SREV_9340((_ah)) && \ + ((_ah)->hw_version.macRev >= AR_SREV_REVISION_9340_13)) + #define AR_SREV_9285E_20(_ah) \ (AR_SREV_9285_12_OR_LATER(_ah) && \ ((REG_READ(_ah, AR_AN_SYNTH9) & 0x7) == 0x1)) @@ -1007,6 +1015,8 @@ enum { AR_INTR_SYNC_LOCAL_TIMEOUT | AR_INTR_SYNC_MAC_SLEEP_ACCESS), + AR9340_INTR_SYNC_LOCAL_TIMEOUT = 0x00000010, + AR_INTR_SYNC_SPURIOUS = 0xFFFFFFFF, }; @@ -1881,6 +1891,7 @@ enum { #define AR_PCU_TXBUF_CTRL_SIZE_MASK 0x7FF #define AR_PCU_TXBUF_CTRL_USABLE_SIZE 0x700 #define AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE 0x380 +#define AR_9340_PCU_TXBUF_CTRL_USABLE_SIZE 0x500 #define AR_PCU_MISC_MODE2 0x8344 #define AR_PCU_MISC_MODE2_MGMT_CRYPTO_ENABLE 0x00000002 diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 14bb3354ea64..1c9b1bac8b0d 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -125,24 +125,6 @@ static void ath_tx_queue_tid(struct ath_txq *txq, struct ath_atx_tid *tid) list_add_tail(&ac->list, &txq->axq_acq); } -static void ath_tx_resume_tid(struct ath_softc *sc, struct ath_atx_tid *tid) -{ - struct ath_txq *txq = tid->ac->txq; - - WARN_ON(!tid->paused); - - ath_txq_lock(sc, txq); - tid->paused = false; - - if (skb_queue_empty(&tid->buf_q)) - goto unlock; - - ath_tx_queue_tid(txq, tid); - ath_txq_schedule(sc, txq); -unlock: - ath_txq_unlock_complete(sc, txq); -} - static struct ath_frame_info *get_frame_info(struct sk_buff *skb) { struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); @@ -164,20 +146,7 @@ static void ath_set_rates(struct ieee80211_vif *vif, struct ieee80211_sta *sta, ARRAY_SIZE(bf->rates)); } -static void ath_tx_clear_tid(struct ath_softc *sc, struct ath_atx_tid *tid) -{ - tid->state &= ~AGGR_ADDBA_COMPLETE; - tid->state &= ~AGGR_CLEANUP; - if (!tid->stop_cb) - return; - - ieee80211_start_tx_ba_cb_irqsafe(tid->an->vif, tid->an->sta->addr, - tid->tidno); - tid->stop_cb = false; -} - -static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid, - bool flush_packets) +static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid) { struct ath_txq *txq = tid->ac->txq; struct sk_buff *skb; @@ -194,15 +163,16 @@ static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid, while ((skb = __skb_dequeue(&tid->buf_q))) { fi = get_frame_info(skb); bf = fi->bf; - if (!bf && !flush_packets) - bf = ath_tx_setup_buffer(sc, txq, tid, skb); if (!bf) { - ieee80211_free_txskb(sc->hw, skb); - continue; + bf = ath_tx_setup_buffer(sc, txq, tid, skb); + if (!bf) { + ieee80211_free_txskb(sc->hw, skb); + continue; + } } - if (fi->retries || flush_packets) { + if (fi->retries) { list_add_tail(&bf->list, &bf_head); ath_tx_update_baw(sc, tid, bf->bf_state.seqno); ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0); @@ -213,10 +183,7 @@ static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid, } } - if (tid->baw_head == tid->baw_tail) - ath_tx_clear_tid(sc, tid); - - if (sendbar && !flush_packets) { + if (sendbar) { ath_txq_unlock(sc, txq); ath_send_bar(tid, tid->seq_start); ath_txq_lock(sc, txq); @@ -499,19 +466,19 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, tx_info = IEEE80211_SKB_CB(skb); fi = get_frame_info(skb); - if (ATH_BA_ISSET(ba, ATH_BA_INDEX(seq_st, seqno))) { + if (!BAW_WITHIN(tid->seq_start, tid->baw_size, seqno)) { + /* + * Outside of the current BlockAck window, + * maybe part of a previous session + */ + txfail = 1; + } else if (ATH_BA_ISSET(ba, ATH_BA_INDEX(seq_st, seqno))) { /* transmit completion, subframe is * acked by block ack */ acked_cnt++; } else if (!isaggr && txok) { /* transmit completion */ acked_cnt++; - } else if (tid->state & AGGR_CLEANUP) { - /* - * cleanup in progress, just fail - * the un-acked sub-frames - */ - txfail = 1; } else if (flush) { txpending = 1; } else if (fi->retries < ATH_MAX_SW_RETRIES) { @@ -535,7 +502,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, if (bf_next != NULL || !bf_last->bf_stale) list_move_tail(&bf->list, &bf_head); - if (!txpending || (tid->state & AGGR_CLEANUP)) { + if (!txpending) { /* * complete the acked-ones/xretried ones; update * block-ack window @@ -609,9 +576,6 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, ath_txq_lock(sc, txq); } - if (tid->state & AGGR_CLEANUP) - ath_tx_flush_tid(sc, tid, false); - rcu_read_unlock(); if (needreset) @@ -1244,9 +1208,6 @@ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta, an = (struct ath_node *)sta->drv_priv; txtid = ATH_AN_2_TID(an, tid); - if (txtid->state & (AGGR_CLEANUP | AGGR_ADDBA_COMPLETE)) - return -EAGAIN; - /* update ampdu factor/density, they may have changed. This may happen * in HT IBSS when a beacon with HT-info is received after the station * has already been added. @@ -1258,7 +1219,7 @@ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta, an->mpdudensity = density; } - txtid->state |= AGGR_ADDBA_PROGRESS; + txtid->active = true; txtid->paused = true; *ssn = txtid->seq_start = txtid->seq_next; txtid->bar_index = -1; @@ -1269,45 +1230,17 @@ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta, return 0; } -bool ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid, - bool flush) +void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid) { struct ath_node *an = (struct ath_node *)sta->drv_priv; struct ath_atx_tid *txtid = ATH_AN_2_TID(an, tid); struct ath_txq *txq = txtid->ac->txq; - bool ret = !flush; - - if (flush) - txtid->stop_cb = false; - - if (txtid->state & AGGR_CLEANUP) - return false; - - if (!(txtid->state & AGGR_ADDBA_COMPLETE)) { - txtid->state &= ~AGGR_ADDBA_PROGRESS; - return ret; - } ath_txq_lock(sc, txq); + txtid->active = false; txtid->paused = true; - - /* - * If frames are still being transmitted for this TID, they will be - * cleaned up during tx completion. To prevent race conditions, this - * TID can only be reused after all in-progress subframes have been - * completed. - */ - if (txtid->baw_head != txtid->baw_tail) { - txtid->state |= AGGR_CLEANUP; - ret = false; - txtid->stop_cb = !flush; - } else { - txtid->state &= ~AGGR_ADDBA_COMPLETE; - } - - ath_tx_flush_tid(sc, txtid, flush); + ath_tx_flush_tid(sc, txtid); ath_txq_unlock_complete(sc, txq); - return ret; } void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc, @@ -1371,18 +1304,28 @@ void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an) } } -void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid) +void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, + u16 tidno) { - struct ath_atx_tid *txtid; + struct ath_atx_tid *tid; struct ath_node *an; + struct ath_txq *txq; an = (struct ath_node *)sta->drv_priv; + tid = ATH_AN_2_TID(an, tidno); + txq = tid->ac->txq; - txtid = ATH_AN_2_TID(an, tid); - txtid->baw_size = IEEE80211_MIN_AMPDU_BUF << sta->ht_cap.ampdu_factor; - txtid->state |= AGGR_ADDBA_COMPLETE; - txtid->state &= ~AGGR_ADDBA_PROGRESS; - ath_tx_resume_tid(sc, txtid); + ath_txq_lock(sc, txq); + + tid->baw_size = IEEE80211_MIN_AMPDU_BUF << sta->ht_cap.ampdu_factor; + tid->paused = false; + + if (!skb_queue_empty(&tid->buf_q)) { + ath_tx_queue_tid(txq, tid); + ath_txq_schedule(sc, txq); + } + + ath_txq_unlock_complete(sc, txq); } /********************/ @@ -2431,13 +2374,10 @@ void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an) tid->baw_head = tid->baw_tail = 0; tid->sched = false; tid->paused = false; - tid->state &= ~AGGR_CLEANUP; + tid->active = false; __skb_queue_head_init(&tid->buf_q); acno = TID_TO_WME_AC(tidno); tid->ac = &an->ac[acno]; - tid->state &= ~AGGR_ADDBA_COMPLETE; - tid->state &= ~AGGR_ADDBA_PROGRESS; - tid->stop_cb = false; } for (acno = 0, ac = &an->ac[acno]; @@ -2474,7 +2414,7 @@ void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an) } ath_tid_drain(sc, txq, tid); - ath_tx_clear_tid(sc, tid); + tid->active = false; ath_txq_unlock(sc, txq); } diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c index 830bb1d1f957..b827d51c30a3 100644 --- a/drivers/net/wireless/atmel.c +++ b/drivers/net/wireless/atmel.c @@ -1624,7 +1624,7 @@ struct net_device *init_atmel_card(unsigned short irq, unsigned long port, netif_carrier_off(dev); - if (!proc_create_data("driver/atmel", 0, NULL, &atmel_proc_fops, priv)); + if (!proc_create_data("driver/atmel", 0, NULL, &atmel_proc_fops, priv)) printk(KERN_WARNING "atmel: unable to create /proc entry.\n"); printk(KERN_INFO "%s: Atmel at76c50x. Version %d.%d. MAC %pM\n", diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c index be0787cab24f..9431af2465f3 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c @@ -27,7 +27,6 @@ #include "tracepoint.h" #define PKTFILTER_BUF_SIZE 128 -#define BRCMF_ARPOL_MODE 0xb /* agent|snoop|peer_autoreply */ #define BRCMF_DEFAULT_BCN_TIMEOUT 3 #define BRCMF_DEFAULT_SCAN_CHANNEL_TIME 40 #define BRCMF_DEFAULT_SCAN_UNASSOC_TIME 40 @@ -338,23 +337,6 @@ int brcmf_c_preinit_dcmds(struct brcmf_if *ifp) goto done; } - /* Try to set and enable ARP offload feature, this may fail */ - err = brcmf_fil_iovar_int_set(ifp, "arp_ol", BRCMF_ARPOL_MODE); - if (err) { - brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n", - BRCMF_ARPOL_MODE, err); - err = 0; - } else { - err = brcmf_fil_iovar_int_set(ifp, "arpoe", 1); - if (err) { - brcmf_dbg(TRACE, "failed to enable ARP offload err = %d\n", - err); - err = 0; - } else - brcmf_dbg(TRACE, "successfully enabled ARP offload to 0x%x\n", - BRCMF_ARPOL_MODE); - } - /* Setup packet filter */ brcmf_c_pktfilter_offload_set(ifp, BRCMF_DEFAULT_PACKET_FILTER); brcmf_c_pktfilter_offload_enable(ifp, BRCMF_DEFAULT_PACKET_FILTER, diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c index 59c25463e428..b98f2235978e 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c @@ -653,10 +653,13 @@ int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked) brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name); + ndev->destructor = free_netdev; return 0; fail: + drvr->iflist[ifp->bssidx] = NULL; ndev->netdev_ops = NULL; + free_netdev(ndev); return -EBADE; } @@ -720,6 +723,9 @@ static int brcmf_net_p2p_attach(struct brcmf_if *ifp) return 0; fail: + ifp->drvr->iflist[ifp->bssidx] = NULL; + ndev->netdev_ops = NULL; + free_netdev(ndev); return -EBADE; } @@ -788,6 +794,7 @@ void brcmf_del_if(struct brcmf_pub *drvr, s32 bssidx) struct brcmf_if *ifp; ifp = drvr->iflist[bssidx]; + drvr->iflist[bssidx] = NULL; if (!ifp) { brcmf_err("Null interface, idx=%d\n", bssidx); return; @@ -808,15 +815,13 @@ void brcmf_del_if(struct brcmf_pub *drvr, s32 bssidx) cancel_work_sync(&ifp->setmacaddr_work); cancel_work_sync(&ifp->multicast_work); } - + /* unregister will take care of freeing it */ unregister_netdev(ifp->ndev); if (bssidx == 0) brcmf_cfg80211_detach(drvr->config); - free_netdev(ifp->ndev); } else { kfree(ifp); } - drvr->iflist[bssidx] = NULL; } int brcmf_attach(uint bus_hdrlen, struct device *dev) @@ -925,8 +930,6 @@ fail: brcmf_fws_del_interface(ifp); brcmf_fws_deinit(drvr); } - free_netdev(ifp->ndev); - drvr->iflist[0] = NULL; if (p2p_ifp) { free_netdev(p2p_ifp->ndev); drvr->iflist[1] = NULL; @@ -934,7 +937,8 @@ fail: return ret; } if ((brcmf_p2p_enable) && (p2p_ifp)) - brcmf_net_p2p_attach(p2p_ifp); + if (brcmf_net_p2p_attach(p2p_ifp) < 0) + brcmf_p2p_enable = 0; return 0; } diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fweh.c b/drivers/net/wireless/brcm80211/brcmfmac/fweh.c index 5a64280e6485..83ee53a7c76e 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/fweh.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/fweh.c @@ -202,7 +202,8 @@ static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr, return; brcmf_fws_add_interface(ifp); if (!drvr->fweh.evt_handler[BRCMF_E_IF]) - err = brcmf_net_attach(ifp, false); + if (brcmf_net_attach(ifp, false) < 0) + return; } if (ifevent->action == BRCMF_E_IF_CHANGE) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h b/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h index 0f2c83bc95dc..665ef69e974b 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h @@ -23,6 +23,12 @@ #define BRCMF_FIL_ACTION_FRAME_SIZE 1800 +/* ARP Offload feature flags for arp_ol iovar */ +#define BRCMF_ARP_OL_AGENT 0x00000001 +#define BRCMF_ARP_OL_SNOOP 0x00000002 +#define BRCMF_ARP_OL_HOST_AUTO_REPLY 0x00000004 +#define BRCMF_ARP_OL_PEER_AUTO_REPLY 0x00000008 + enum brcmf_fil_p2p_if_types { BRCMF_FIL_P2P_IF_CLIENT, diff --git a/drivers/net/wireless/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/brcm80211/brcmfmac/p2p.c index e7a1a4770996..79555f006d53 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/p2p.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/p2p.c @@ -47,6 +47,7 @@ #define IS_P2P_SOCIAL_CHANNEL(channel) ((channel == SOCIAL_CHAN_1) || \ (channel == SOCIAL_CHAN_2) || \ (channel == SOCIAL_CHAN_3)) +#define BRCMF_P2P_TEMP_CHAN SOCIAL_CHAN_3 #define SOCIAL_CHAN_CNT 3 #define AF_PEER_SEARCH_CNT 2 @@ -1954,21 +1955,21 @@ s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg) err = brcmf_fil_iovar_int_set(pri_ifp, "p2p_disc", 1); if (err < 0) { brcmf_err("set p2p_disc error\n"); - brcmf_free_vif(p2p_vif); + brcmf_free_vif(cfg, p2p_vif); goto exit; } /* obtain bsscfg index for P2P discovery */ err = brcmf_fil_iovar_int_get(pri_ifp, "p2p_dev", &bssidx); if (err < 0) { brcmf_err("retrieving discover bsscfg index failed\n"); - brcmf_free_vif(p2p_vif); + brcmf_free_vif(cfg, p2p_vif); goto exit; } /* Verify that firmware uses same bssidx as driver !! */ if (p2p_ifp->bssidx != bssidx) { brcmf_err("Incorrect bssidx=%d, compared to p2p_ifp->bssidx=%d\n", bssidx, p2p_ifp->bssidx); - brcmf_free_vif(p2p_vif); + brcmf_free_vif(cfg, p2p_vif); goto exit; } @@ -1996,7 +1997,7 @@ void brcmf_p2p_detach(struct brcmf_p2p_info *p2p) brcmf_p2p_cancel_remain_on_channel(vif->ifp); brcmf_p2p_deinit_discovery(p2p); /* remove discovery interface */ - brcmf_free_vif(vif); + brcmf_free_vif(p2p->cfg, vif); p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL; } /* just set it all to zero */ @@ -2013,17 +2014,30 @@ static void brcmf_p2p_get_current_chanspec(struct brcmf_p2p_info *p2p, u16 *chanspec) { struct brcmf_if *ifp; - struct brcmf_fil_chan_info_le ci; + u8 mac_addr[ETH_ALEN]; struct brcmu_chan ch; - s32 err; + struct brcmf_bss_info_le *bi; + u8 *buf; ifp = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp; - ch.chnum = 11; - - err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_CHANNEL, &ci, sizeof(ci)); - if (!err) - ch.chnum = le32_to_cpu(ci.hw_channel); + if (brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSSID, mac_addr, + ETH_ALEN) == 0) { + buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); + if (buf != NULL) { + *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX); + if (brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, + buf, WL_BSS_INFO_MAX) == 0) { + bi = (struct brcmf_bss_info_le *)(buf + 4); + *chanspec = le16_to_cpu(bi->chanspec); + kfree(buf); + return; + } + kfree(buf); + } + } + /* Use default channel for P2P */ + ch.chnum = BRCMF_P2P_TEMP_CHAN; ch.bw = BRCMU_CHAN_BW_20; p2p->cfg->d11inf.encchspec(&ch); *chanspec = ch.chspec; @@ -2208,7 +2222,7 @@ static struct wireless_dev *brcmf_p2p_create_p2pdev(struct brcmf_p2p_info *p2p, return &p2p_vif->wdev; fail: - brcmf_free_vif(p2p_vif); + brcmf_free_vif(p2p->cfg, p2p_vif); return ERR_PTR(err); } @@ -2217,13 +2231,31 @@ fail: * * @vif: virtual interface object to delete. */ -static void brcmf_p2p_delete_p2pdev(struct brcmf_cfg80211_vif *vif) +static void brcmf_p2p_delete_p2pdev(struct brcmf_cfg80211_info *cfg, + struct brcmf_cfg80211_vif *vif) { - struct brcmf_p2p_info *p2p = &vif->ifp->drvr->config->p2p; - cfg80211_unregister_wdev(&vif->wdev); - p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL; - brcmf_free_vif(vif); + cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL; + brcmf_free_vif(cfg, vif); +} + +/** + * brcmf_p2p_free_p2p_if() - free up net device related data. + * + * @ndev: net device that needs to be freed. + */ +static void brcmf_p2p_free_p2p_if(struct net_device *ndev) +{ + struct brcmf_cfg80211_info *cfg; + struct brcmf_cfg80211_vif *vif; + struct brcmf_if *ifp; + + ifp = netdev_priv(ndev); + cfg = ifp->drvr->config; + vif = ifp->vif; + + brcmf_free_vif(cfg, vif); + free_netdev(ifp->ndev); } /** @@ -2303,6 +2335,9 @@ struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name, brcmf_err("Registering netdevice failed\n"); goto fail; } + /* override destructor */ + ifp->ndev->destructor = brcmf_p2p_free_p2p_if; + cfg->p2p.bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = vif; /* Disable firmware roaming for P2P interface */ brcmf_fil_iovar_int_set(ifp, "roam_off", 1); @@ -2314,7 +2349,7 @@ struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name, return &ifp->vif->wdev; fail: - brcmf_free_vif(vif); + brcmf_free_vif(cfg, vif); return ERR_PTR(err); } @@ -2350,7 +2385,7 @@ int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev) break; case NL80211_IFTYPE_P2P_DEVICE: - brcmf_p2p_delete_p2pdev(vif); + brcmf_p2p_delete_p2pdev(cfg, vif); return 0; default: return -ENOTSUPP; @@ -2378,7 +2413,6 @@ int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev) err = 0; } brcmf_cfg80211_arm_vif_event(cfg, NULL); - brcmf_free_vif(vif); p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = NULL; return err; diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c index 761f501959a9..301e572e8923 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c @@ -459,6 +459,38 @@ send_key_to_dongle(struct net_device *ndev, struct brcmf_wsec_key *key) return err; } +static s32 +brcmf_configure_arp_offload(struct brcmf_if *ifp, bool enable) +{ + s32 err; + u32 mode; + + if (enable) + mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY; + else + mode = 0; + + /* Try to set and enable ARP offload feature, this may fail, then it */ + /* is simply not supported and err 0 will be returned */ + err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode); + if (err) { + brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n", + mode, err); + err = 0; + } else { + err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable); + if (err) { + brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n", + enable, err); + err = 0; + } else + brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n", + enable, mode); + } + + return err; +} + static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy, const char *name, enum nl80211_iftype type, @@ -2216,6 +2248,11 @@ brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev, } pm = enabled ? PM_FAST : PM_OFF; + /* Do not enable the power save after assoc if it is a p2p interface */ + if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) { + brcmf_dbg(INFO, "Do not enable power save for P2P clients\n"); + pm = PM_OFF; + } brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled")); err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm); @@ -3640,10 +3677,28 @@ brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif, } static s32 +brcmf_cfg80211_set_channel(struct brcmf_cfg80211_info *cfg, + struct brcmf_if *ifp, + struct ieee80211_channel *channel) +{ + u16 chanspec; + s32 err; + + brcmf_dbg(TRACE, "band=%d, center_freq=%d\n", channel->band, + channel->center_freq); + + chanspec = channel_to_chanspec(&cfg->d11inf, channel); + err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec); + + return err; +} + +static s32 brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, struct cfg80211_ap_settings *settings) { s32 ie_offset; + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); struct brcmf_if *ifp = netdev_priv(ndev); struct brcmf_tlv *ssid_ie; struct brcmf_ssid_le ssid_le; @@ -3683,6 +3738,7 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, } brcmf_set_mpc(ifp, 0); + brcmf_configure_arp_offload(ifp, false); /* find the RSN_IE */ rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail, @@ -3713,6 +3769,12 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon); + err = brcmf_cfg80211_set_channel(cfg, ifp, settings->chandef.chan); + if (err < 0) { + brcmf_err("Set Channel failed, %d\n", err); + goto exit; + } + if (settings->beacon_interval) { err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, settings->beacon_interval); @@ -3789,8 +3851,10 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state); exit: - if (err) + if (err) { brcmf_set_mpc(ifp, 1); + brcmf_configure_arp_offload(ifp, true); + } return err; } @@ -3831,6 +3895,7 @@ static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev) brcmf_err("bss_enable config failed %d\n", err); } brcmf_set_mpc(ifp, 1); + brcmf_configure_arp_offload(ifp, true); set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state); clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state); @@ -4148,7 +4213,7 @@ static const struct ieee80211_iface_limit brcmf_iface_limits[] = { static const struct ieee80211_iface_combination brcmf_iface_combos[] = { { .max_interfaces = BRCMF_IFACE_MAX_CNT, - .num_different_channels = 1, /* no multi-channel for now */ + .num_different_channels = 2, .n_limits = ARRAY_SIZE(brcmf_iface_limits), .limits = brcmf_iface_limits } @@ -4256,20 +4321,16 @@ struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg, return vif; } -void brcmf_free_vif(struct brcmf_cfg80211_vif *vif) +void brcmf_free_vif(struct brcmf_cfg80211_info *cfg, + struct brcmf_cfg80211_vif *vif) { - struct brcmf_cfg80211_info *cfg; - struct wiphy *wiphy; - - wiphy = vif->wdev.wiphy; - cfg = wiphy_priv(wiphy); list_del(&vif->list); cfg->vif_cnt--; kfree(vif); if (!cfg->vif_cnt) { - wiphy_unregister(wiphy); - wiphy_free(wiphy); + wiphy_unregister(cfg->wiphy); + wiphy_free(cfg->wiphy); } } @@ -4646,7 +4707,6 @@ static s32 brcmf_notify_vif_event(struct brcmf_if *ifp, return 0; case BRCMF_E_IF_DEL: - ifp->vif = NULL; mutex_unlock(&event->vif_event_lock); /* event may not be upon user request */ if (brcmf_cfg80211_vif_event_armed(cfg)) @@ -4852,8 +4912,7 @@ cfg80211_p2p_attach_out: wl_deinit_priv(cfg); cfg80211_attach_out: - brcmf_free_vif(vif); - wiphy_free(wiphy); + brcmf_free_vif(cfg, vif); return NULL; } @@ -4865,7 +4924,7 @@ void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg) wl_deinit_priv(cfg); brcmf_btcoex_detach(cfg); list_for_each_entry_safe(vif, tmp, &cfg->vif_list, list) { - brcmf_free_vif(vif); + brcmf_free_vif(cfg, vif); } } @@ -5229,6 +5288,8 @@ static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg) if (err) goto default_conf_out; + brcmf_configure_arp_offload(ifp, true); + cfg->dongle_up = true; default_conf_out: diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h index a71cff84cdcf..d9bdaf9a72d0 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h @@ -487,7 +487,8 @@ enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp); struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg, enum nl80211_iftype type, bool pm_block); -void brcmf_free_vif(struct brcmf_cfg80211_vif *vif); +void brcmf_free_vif(struct brcmf_cfg80211_info *cfg, + struct brcmf_cfg80211_vif *vif); s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag, const u8 *vndr_ie_buf, u32 vndr_ie_len); diff --git a/drivers/net/wireless/iwlwifi/dvm/sta.c b/drivers/net/wireless/iwlwifi/dvm/sta.c index db183b44e038..c3c13ce96eb0 100644 --- a/drivers/net/wireless/iwlwifi/dvm/sta.c +++ b/drivers/net/wireless/iwlwifi/dvm/sta.c @@ -735,7 +735,7 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx) memcpy(&lq, priv->stations[i].lq, sizeof(struct iwl_link_quality_cmd)); - if (!memcmp(&lq, &zero_lq, sizeof(lq))) + if (memcmp(&lq, &zero_lq, sizeof(lq))) send_lq = true; } spin_unlock_bh(&priv->sta_lock); diff --git a/drivers/nfc/Kconfig b/drivers/nfc/Kconfig index 4775d4e61b88..74a852e4e41f 100644 --- a/drivers/nfc/Kconfig +++ b/drivers/nfc/Kconfig @@ -28,7 +28,7 @@ config NFC_WILINK config NFC_MEI_PHY tristate "MEI bus NFC device support" - depends on INTEL_MEI_BUS_NFC && NFC_HCI + depends on INTEL_MEI && NFC_HCI help This adds support to use an mei bus nfc device. Select this if you will use an HCI NFC driver for an NFC chip connected behind an diff --git a/drivers/nfc/mei_phy.c b/drivers/nfc/mei_phy.c index b8f8abc422f0..1201bdbfb791 100644 --- a/drivers/nfc/mei_phy.c +++ b/drivers/nfc/mei_phy.c @@ -64,6 +64,15 @@ int nfc_mei_phy_enable(void *phy_id) return r; } + r = mei_cl_register_event_cb(phy->device, nfc_mei_event_cb, phy); + if (r) { + pr_err("MEY_PHY: Event cb registration failed\n"); + mei_cl_disable_device(phy->device); + phy->powered = 0; + + return r; + } + phy->powered = 1; return 0; diff --git a/drivers/nfc/microread/mei.c b/drivers/nfc/microread/mei.c index 1ad044dce7b6..cdf1bc53b257 100644 --- a/drivers/nfc/microread/mei.c +++ b/drivers/nfc/microread/mei.c @@ -43,24 +43,16 @@ static int microread_mei_probe(struct mei_cl_device *device, return -ENOMEM; } - r = mei_cl_register_event_cb(device, nfc_mei_event_cb, phy); - if (r) { - pr_err(MICROREAD_DRIVER_NAME ": event cb registration failed\n"); - goto err_out; - } - r = microread_probe(phy, &mei_phy_ops, LLC_NOP_NAME, MEI_NFC_HEADER_SIZE, 0, MEI_NFC_MAX_HCI_PAYLOAD, &phy->hdev); - if (r < 0) - goto err_out; - - return 0; + if (r < 0) { + nfc_mei_phy_free(phy); -err_out: - nfc_mei_phy_free(phy); + return r; + } - return r; + return 0; } static int microread_mei_remove(struct mei_cl_device *device) @@ -71,8 +63,6 @@ static int microread_mei_remove(struct mei_cl_device *device) microread_remove(phy->hdev); - nfc_mei_phy_disable(phy); - nfc_mei_phy_free(phy); return 0; diff --git a/drivers/nfc/pn544/mei.c b/drivers/nfc/pn544/mei.c index 1eb48848a35a..b5d3d18179eb 100644 --- a/drivers/nfc/pn544/mei.c +++ b/drivers/nfc/pn544/mei.c @@ -43,24 +43,16 @@ static int pn544_mei_probe(struct mei_cl_device *device, return -ENOMEM; } - r = mei_cl_register_event_cb(device, nfc_mei_event_cb, phy); - if (r) { - pr_err(PN544_DRIVER_NAME ": event cb registration failed\n"); - goto err_out; - } - r = pn544_hci_probe(phy, &mei_phy_ops, LLC_NOP_NAME, MEI_NFC_HEADER_SIZE, 0, MEI_NFC_MAX_HCI_PAYLOAD, &phy->hdev); - if (r < 0) - goto err_out; - - return 0; + if (r < 0) { + nfc_mei_phy_free(phy); -err_out: - nfc_mei_phy_free(phy); + return r; + } - return r; + return 0; } static int pn544_mei_remove(struct mei_cl_device *device) @@ -71,8 +63,6 @@ static int pn544_mei_remove(struct mei_cl_device *device) pn544_hci_remove(phy->hdev); - nfc_mei_phy_disable(phy); - nfc_mei_phy_free(phy); return 0; diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c index 2ef7103270bb..1f05913ae677 100644 --- a/drivers/parisc/lba_pci.c +++ b/drivers/parisc/lba_pci.c @@ -668,7 +668,7 @@ lba_fixup_bus(struct pci_bus *bus) BUG(); } - if (ldev->hba.elmmio_space.start) { + if (ldev->hba.elmmio_space.flags) { err = request_resource(&iomem_resource, &(ldev->hba.elmmio_space)); if (err < 0) { @@ -993,7 +993,7 @@ lba_pat_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev) case PAT_LMMIO: /* used to fix up pre-initialized MEM BARs */ - if (!lba_dev->hba.lmmio_space.start) { + if (!lba_dev->hba.lmmio_space.flags) { sprintf(lba_dev->hba.lmmio_name, "PCI%02x LMMIO", (int)lba_dev->hba.bus_num.start); @@ -1001,7 +1001,7 @@ lba_pat_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev) io->start; r = &lba_dev->hba.lmmio_space; r->name = lba_dev->hba.lmmio_name; - } else if (!lba_dev->hba.elmmio_space.start) { + } else if (!lba_dev->hba.elmmio_space.flags) { sprintf(lba_dev->hba.elmmio_name, "PCI%02x ELMMIO", (int)lba_dev->hba.bus_num.start); @@ -1096,6 +1096,7 @@ lba_legacy_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev) r->name = "LBA PCI Busses"; r->start = lba_num & 0xff; r->end = (lba_num>>8) & 0xff; + r->flags = IORESOURCE_BUS; /* Set up local PCI Bus resources - we don't need them for ** Legacy boxes but it's nice to see in /proc/iomem. @@ -1494,7 +1495,7 @@ lba_driver_probe(struct parisc_device *dev) pci_add_resource_offset(&resources, &lba_dev->hba.io_space, HBA_PORT_BASE(lba_dev->hba.hba_num)); - if (lba_dev->hba.elmmio_space.start) + if (lba_dev->hba.elmmio_space.flags) pci_add_resource_offset(&resources, &lba_dev->hba.elmmio_space, lba_dev->hba.lmmio_space_offset); if (lba_dev->hba.lmmio_space.flags) diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c index ac6e8e7a02df..a042d065a0c7 100644 --- a/drivers/parisc/superio.c +++ b/drivers/parisc/superio.c @@ -494,15 +494,4 @@ static struct pci_driver superio_driver = { .probe = superio_probe, }; -static int __init superio_modinit(void) -{ - return pci_register_driver(&superio_driver); -} - -static void __exit superio_exit(void) -{ - pci_unregister_driver(&superio_driver); -} - -module_init(superio_modinit); -module_exit(superio_exit); +module_pci_driver(superio_driver); diff --git a/drivers/parport/Kconfig b/drivers/parport/Kconfig index 24e12d4d1769..a50576081b34 100644 --- a/drivers/parport/Kconfig +++ b/drivers/parport/Kconfig @@ -71,7 +71,7 @@ config PARPORT_PC_FIFO config PARPORT_PC_SUPERIO bool "SuperIO chipset support" - depends on PARPORT_PC + depends on PARPORT_PC && !PARISC help Saying Y here enables some probes for Super-IO chipsets in order to find out things like base addresses, IRQ lines and DMA channels. It diff --git a/drivers/parport/parport_gsc.c b/drivers/parport/parport_gsc.c index a5251cb5fb0c..6e3a60c78873 100644 --- a/drivers/parport/parport_gsc.c +++ b/drivers/parport/parport_gsc.c @@ -234,7 +234,7 @@ static int parport_PS2_supported(struct parport *pb) struct parport *parport_gsc_probe_port(unsigned long base, unsigned long base_hi, int irq, - int dma, struct pci_dev *dev) + int dma, struct parisc_device *padev) { struct parport_gsc_private *priv; struct parport_operations *ops; @@ -258,7 +258,6 @@ struct parport *parport_gsc_probe_port(unsigned long base, priv->ctr_writable = 0xff; priv->dma_buf = 0; priv->dma_handle = 0; - priv->dev = dev; p->base = base; p->base_hi = base_hi; p->irq = irq; @@ -282,6 +281,7 @@ struct parport *parport_gsc_probe_port(unsigned long base, return NULL; } + p->dev = &padev->dev; p->base_hi = base_hi; p->modes = tmp.modes; p->size = (p->modes & PARPORT_MODE_EPP)?8:3; @@ -373,7 +373,7 @@ static int parport_init_chip(struct parisc_device *dev) } p = parport_gsc_probe_port(port, 0, dev->irq, - /* PARPORT_IRQ_NONE */ PARPORT_DMA_NONE, NULL); + /* PARPORT_IRQ_NONE */ PARPORT_DMA_NONE, dev); if (p) parport_count++; dev_set_drvdata(&dev->dev, p); diff --git a/drivers/parport/parport_gsc.h b/drivers/parport/parport_gsc.h index fc9c37c54022..812214768d27 100644 --- a/drivers/parport/parport_gsc.h +++ b/drivers/parport/parport_gsc.h @@ -217,6 +217,6 @@ extern void parport_gsc_dec_use_count(void); extern struct parport *parport_gsc_probe_port(unsigned long base, unsigned long base_hi, int irq, int dma, - struct pci_dev *dev); + struct parisc_device *padev); #endif /* __DRIVERS_PARPORT_PARPORT_GSC_H */ diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c index 8ec8b4f48560..0f4554e48cc5 100644 --- a/drivers/pci/pcie/aer/aerdrv_core.c +++ b/drivers/pci/pcie/aer/aerdrv_core.c @@ -580,6 +580,7 @@ struct aer_recover_entry u8 devfn; u16 domain; int severity; + struct aer_capability_regs *regs; }; static DEFINE_KFIFO(aer_recover_ring, struct aer_recover_entry, @@ -593,7 +594,7 @@ static DEFINE_SPINLOCK(aer_recover_ring_lock); static DECLARE_WORK(aer_recover_work, aer_recover_work_func); void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn, - int severity) + int severity, struct aer_capability_regs *aer_regs) { unsigned long flags; struct aer_recover_entry entry = { @@ -601,6 +602,7 @@ void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn, .devfn = devfn, .domain = domain, .severity = severity, + .regs = aer_regs, }; spin_lock_irqsave(&aer_recover_ring_lock, flags); @@ -627,6 +629,7 @@ static void aer_recover_work_func(struct work_struct *work) PCI_SLOT(entry.devfn), PCI_FUNC(entry.devfn)); continue; } + cper_print_aer(pdev, entry.severity, entry.regs); do_recovery(pdev, entry.severity); pci_dev_put(pdev); } diff --git a/drivers/pci/pcie/aer/aerdrv_errprint.c b/drivers/pci/pcie/aer/aerdrv_errprint.c index 5ab14251839d..2c7c9f5f592c 100644 --- a/drivers/pci/pcie/aer/aerdrv_errprint.c +++ b/drivers/pci/pcie/aer/aerdrv_errprint.c @@ -220,7 +220,7 @@ int cper_severity_to_aer(int cper_severity) } EXPORT_SYMBOL_GPL(cper_severity_to_aer); -void cper_print_aer(const char *prefix, struct pci_dev *dev, int cper_severity, +void cper_print_aer(struct pci_dev *dev, int cper_severity, struct aer_capability_regs *aer) { int aer_severity, layer, agent, status_strs_size, tlp_header_valid = 0; @@ -244,7 +244,7 @@ void cper_print_aer(const char *prefix, struct pci_dev *dev, int cper_severity, agent = AER_GET_AGENT(aer_severity, status); dev_err(&dev->dev, "aer_status: 0x%08x, aer_mask: 0x%08x\n", status, mask); - cper_print_bits(prefix, status, status_strs, status_strs_size); + cper_print_bits("", status, status_strs, status_strs_size); dev_err(&dev->dev, "aer_layer=%s, aer_agent=%s\n", aer_error_layer[layer], aer_agent_string[agent]); if (aer_severity != AER_CORRECTABLE) diff --git a/drivers/pinctrl/pinconf.c b/drivers/pinctrl/pinconf.c index c67c37e23dd7..694c3ace4520 100644 --- a/drivers/pinctrl/pinconf.c +++ b/drivers/pinctrl/pinconf.c @@ -610,7 +610,7 @@ static int pinconf_dbg_config_print(struct seq_file *s, void *d) bool found = false; unsigned long config; - mutex_lock(&pctldev->mutex); + mutex_lock(&pinctrl_maps_mutex); /* Parse the pinctrl map and look for the elected pin/state */ for_each_maps(maps_node, i, map) { @@ -659,7 +659,7 @@ static int pinconf_dbg_config_print(struct seq_file *s, void *d) confops->pin_config_config_dbg_show(pctldev, s, config); exit: - mutex_unlock(&pctldev->mutex); + mutex_unlock(&pinctrl_maps_mutex); return 0; } diff --git a/drivers/pinctrl/pinctrl-coh901.c b/drivers/pinctrl/pinctrl-coh901.c index a67af419f531..d6b41747d687 100644 --- a/drivers/pinctrl/pinctrl-coh901.c +++ b/drivers/pinctrl/pinctrl-coh901.c @@ -830,7 +830,8 @@ static int __init u300_gpio_probe(struct platform_device *pdev) return 0; err_no_range: - err = gpiochip_remove(&gpio->chip); + if (gpiochip_remove(&gpio->chip)) + dev_err(&pdev->dev, "failed to remove gpio chip\n"); err_no_chip: err_no_domain: err_no_port: diff --git a/drivers/pinctrl/pinctrl-exynos.c b/drivers/pinctrl/pinctrl-exynos.c index ac742817ebce..2d76f66a2e0b 100644 --- a/drivers/pinctrl/pinctrl-exynos.c +++ b/drivers/pinctrl/pinctrl-exynos.c @@ -196,6 +196,12 @@ static irqreturn_t exynos_eint_gpio_irq(int irq, void *data) return IRQ_HANDLED; } +struct exynos_eint_gpio_save { + u32 eint_con; + u32 eint_fltcon0; + u32 eint_fltcon1; +}; + /* * exynos_eint_gpio_init() - setup handling of external gpio interrupts. * @d: driver data of samsung pinctrl driver. @@ -204,8 +210,8 @@ static int exynos_eint_gpio_init(struct samsung_pinctrl_drv_data *d) { struct samsung_pin_bank *bank; struct device *dev = d->dev; - unsigned int ret; - unsigned int i; + int ret; + int i; if (!d->irq) { dev_err(dev, "irq number not available\n"); @@ -227,11 +233,29 @@ static int exynos_eint_gpio_init(struct samsung_pinctrl_drv_data *d) bank->nr_pins, &exynos_gpio_irqd_ops, bank); if (!bank->irq_domain) { dev_err(dev, "gpio irq domain add failed\n"); - return -ENXIO; + ret = -ENXIO; + goto err_domains; + } + + bank->soc_priv = devm_kzalloc(d->dev, + sizeof(struct exynos_eint_gpio_save), GFP_KERNEL); + if (!bank->soc_priv) { + irq_domain_remove(bank->irq_domain); + ret = -ENOMEM; + goto err_domains; } } return 0; + +err_domains: + for (--i, --bank; i >= 0; --i, --bank) { + if (bank->eint_type != EINT_TYPE_GPIO) + continue; + irq_domain_remove(bank->irq_domain); + } + + return ret; } static void exynos_wkup_irq_unmask(struct irq_data *irqd) @@ -326,6 +350,28 @@ static int exynos_wkup_irq_set_type(struct irq_data *irqd, unsigned int type) return 0; } +static u32 exynos_eint_wake_mask = 0xffffffff; + +u32 exynos_get_eint_wake_mask(void) +{ + return exynos_eint_wake_mask; +} + +static int exynos_wkup_irq_set_wake(struct irq_data *irqd, unsigned int on) +{ + struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd); + unsigned long bit = 1UL << (2 * bank->eint_offset + irqd->hwirq); + + pr_info("wake %s for irq %d\n", on ? "enabled" : "disabled", irqd->irq); + + if (!on) + exynos_eint_wake_mask |= bit; + else + exynos_eint_wake_mask &= ~bit; + + return 0; +} + /* * irq_chip for wakeup interrupts */ @@ -335,6 +381,7 @@ static struct irq_chip exynos_wkup_irq_chip = { .irq_mask = exynos_wkup_irq_mask, .irq_ack = exynos_wkup_irq_ack, .irq_set_type = exynos_wkup_irq_set_type, + .irq_set_wake = exynos_wkup_irq_set_wake, }; /* interrupt handler for wakeup interrupts 0..15 */ @@ -505,6 +552,72 @@ static int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d) return 0; } +static void exynos_pinctrl_suspend_bank( + struct samsung_pinctrl_drv_data *drvdata, + struct samsung_pin_bank *bank) +{ + struct exynos_eint_gpio_save *save = bank->soc_priv; + void __iomem *regs = drvdata->virt_base; + + save->eint_con = readl(regs + EXYNOS_GPIO_ECON_OFFSET + + bank->eint_offset); + save->eint_fltcon0 = readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET + + 2 * bank->eint_offset); + save->eint_fltcon1 = readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET + + 2 * bank->eint_offset + 4); + + pr_debug("%s: save con %#010x\n", bank->name, save->eint_con); + pr_debug("%s: save fltcon0 %#010x\n", bank->name, save->eint_fltcon0); + pr_debug("%s: save fltcon1 %#010x\n", bank->name, save->eint_fltcon1); +} + +static void exynos_pinctrl_suspend(struct samsung_pinctrl_drv_data *drvdata) +{ + struct samsung_pin_ctrl *ctrl = drvdata->ctrl; + struct samsung_pin_bank *bank = ctrl->pin_banks; + int i; + + for (i = 0; i < ctrl->nr_banks; ++i, ++bank) + if (bank->eint_type == EINT_TYPE_GPIO) + exynos_pinctrl_suspend_bank(drvdata, bank); +} + +static void exynos_pinctrl_resume_bank( + struct samsung_pinctrl_drv_data *drvdata, + struct samsung_pin_bank *bank) +{ + struct exynos_eint_gpio_save *save = bank->soc_priv; + void __iomem *regs = drvdata->virt_base; + + pr_debug("%s: con %#010x => %#010x\n", bank->name, + readl(regs + EXYNOS_GPIO_ECON_OFFSET + + bank->eint_offset), save->eint_con); + pr_debug("%s: fltcon0 %#010x => %#010x\n", bank->name, + readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET + + 2 * bank->eint_offset), save->eint_fltcon0); + pr_debug("%s: fltcon1 %#010x => %#010x\n", bank->name, + readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET + + 2 * bank->eint_offset + 4), save->eint_fltcon1); + + writel(save->eint_con, regs + EXYNOS_GPIO_ECON_OFFSET + + bank->eint_offset); + writel(save->eint_fltcon0, regs + EXYNOS_GPIO_EFLTCON_OFFSET + + 2 * bank->eint_offset); + writel(save->eint_fltcon1, regs + EXYNOS_GPIO_EFLTCON_OFFSET + + 2 * bank->eint_offset + 4); +} + +static void exynos_pinctrl_resume(struct samsung_pinctrl_drv_data *drvdata) +{ + struct samsung_pin_ctrl *ctrl = drvdata->ctrl; + struct samsung_pin_bank *bank = ctrl->pin_banks; + int i; + + for (i = 0; i < ctrl->nr_banks; ++i, ++bank) + if (bank->eint_type == EINT_TYPE_GPIO) + exynos_pinctrl_resume_bank(drvdata, bank); +} + /* pin banks of exynos4210 pin-controller 0 */ static struct samsung_pin_bank exynos4210_pin_banks0[] = { EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00), @@ -568,6 +681,8 @@ struct samsung_pin_ctrl exynos4210_pin_ctrl[] = { .geint_pend = EXYNOS_GPIO_EPEND_OFFSET, .svc = EXYNOS_SVC_OFFSET, .eint_gpio_init = exynos_eint_gpio_init, + .suspend = exynos_pinctrl_suspend, + .resume = exynos_pinctrl_resume, .label = "exynos4210-gpio-ctrl0", }, { /* pin-controller instance 1 data */ @@ -582,6 +697,8 @@ struct samsung_pin_ctrl exynos4210_pin_ctrl[] = { .svc = EXYNOS_SVC_OFFSET, .eint_gpio_init = exynos_eint_gpio_init, .eint_wkup_init = exynos_eint_wkup_init, + .suspend = exynos_pinctrl_suspend, + .resume = exynos_pinctrl_resume, .label = "exynos4210-gpio-ctrl1", }, { /* pin-controller instance 2 data */ @@ -663,6 +780,8 @@ struct samsung_pin_ctrl exynos4x12_pin_ctrl[] = { .geint_pend = EXYNOS_GPIO_EPEND_OFFSET, .svc = EXYNOS_SVC_OFFSET, .eint_gpio_init = exynos_eint_gpio_init, + .suspend = exynos_pinctrl_suspend, + .resume = exynos_pinctrl_resume, .label = "exynos4x12-gpio-ctrl0", }, { /* pin-controller instance 1 data */ @@ -677,6 +796,8 @@ struct samsung_pin_ctrl exynos4x12_pin_ctrl[] = { .svc = EXYNOS_SVC_OFFSET, .eint_gpio_init = exynos_eint_gpio_init, .eint_wkup_init = exynos_eint_wkup_init, + .suspend = exynos_pinctrl_suspend, + .resume = exynos_pinctrl_resume, .label = "exynos4x12-gpio-ctrl1", }, { /* pin-controller instance 2 data */ @@ -687,6 +808,8 @@ struct samsung_pin_ctrl exynos4x12_pin_ctrl[] = { .geint_pend = EXYNOS_GPIO_EPEND_OFFSET, .svc = EXYNOS_SVC_OFFSET, .eint_gpio_init = exynos_eint_gpio_init, + .suspend = exynos_pinctrl_suspend, + .resume = exynos_pinctrl_resume, .label = "exynos4x12-gpio-ctrl2", }, { /* pin-controller instance 3 data */ @@ -697,6 +820,8 @@ struct samsung_pin_ctrl exynos4x12_pin_ctrl[] = { .geint_pend = EXYNOS_GPIO_EPEND_OFFSET, .svc = EXYNOS_SVC_OFFSET, .eint_gpio_init = exynos_eint_gpio_init, + .suspend = exynos_pinctrl_suspend, + .resume = exynos_pinctrl_resume, .label = "exynos4x12-gpio-ctrl3", }, }; @@ -775,6 +900,8 @@ struct samsung_pin_ctrl exynos5250_pin_ctrl[] = { .svc = EXYNOS_SVC_OFFSET, .eint_gpio_init = exynos_eint_gpio_init, .eint_wkup_init = exynos_eint_wkup_init, + .suspend = exynos_pinctrl_suspend, + .resume = exynos_pinctrl_resume, .label = "exynos5250-gpio-ctrl0", }, { /* pin-controller instance 1 data */ @@ -785,6 +912,8 @@ struct samsung_pin_ctrl exynos5250_pin_ctrl[] = { .geint_pend = EXYNOS_GPIO_EPEND_OFFSET, .svc = EXYNOS_SVC_OFFSET, .eint_gpio_init = exynos_eint_gpio_init, + .suspend = exynos_pinctrl_suspend, + .resume = exynos_pinctrl_resume, .label = "exynos5250-gpio-ctrl1", }, { /* pin-controller instance 2 data */ @@ -795,6 +924,8 @@ struct samsung_pin_ctrl exynos5250_pin_ctrl[] = { .geint_pend = EXYNOS_GPIO_EPEND_OFFSET, .svc = EXYNOS_SVC_OFFSET, .eint_gpio_init = exynos_eint_gpio_init, + .suspend = exynos_pinctrl_suspend, + .resume = exynos_pinctrl_resume, .label = "exynos5250-gpio-ctrl2", }, { /* pin-controller instance 3 data */ @@ -805,6 +936,8 @@ struct samsung_pin_ctrl exynos5250_pin_ctrl[] = { .geint_pend = EXYNOS_GPIO_EPEND_OFFSET, .svc = EXYNOS_SVC_OFFSET, .eint_gpio_init = exynos_eint_gpio_init, + .suspend = exynos_pinctrl_suspend, + .resume = exynos_pinctrl_resume, .label = "exynos5250-gpio-ctrl3", }, }; diff --git a/drivers/pinctrl/pinctrl-exynos.h b/drivers/pinctrl/pinctrl-exynos.h index 9b1f77a5bf0f..3c91c357792f 100644 --- a/drivers/pinctrl/pinctrl-exynos.h +++ b/drivers/pinctrl/pinctrl-exynos.h @@ -19,6 +19,7 @@ /* External GPIO and wakeup interrupt related definitions */ #define EXYNOS_GPIO_ECON_OFFSET 0x700 +#define EXYNOS_GPIO_EFLTCON_OFFSET 0x800 #define EXYNOS_GPIO_EMASK_OFFSET 0x900 #define EXYNOS_GPIO_EPEND_OFFSET 0xA00 #define EXYNOS_WKUP_ECON_OFFSET 0xE00 diff --git a/drivers/pinctrl/pinctrl-samsung.c b/drivers/pinctrl/pinctrl-samsung.c index 055d0162098b..63ac22e89678 100644 --- a/drivers/pinctrl/pinctrl-samsung.c +++ b/drivers/pinctrl/pinctrl-samsung.c @@ -28,6 +28,7 @@ #include <linux/gpio.h> #include <linux/irqdomain.h> #include <linux/spinlock.h> +#include <linux/syscore_ops.h> #include "core.h" #include "pinctrl-samsung.h" @@ -48,6 +49,9 @@ static struct pin_config { { "samsung,pin-pud-pdn", PINCFG_TYPE_PUD_PDN }, }; +/* Global list of devices (struct samsung_pinctrl_drv_data) */ +LIST_HEAD(drvdata_list); + static unsigned int pin_base; static inline struct samsung_pin_bank *gc_to_pin_bank(struct gpio_chip *gc) @@ -956,9 +960,151 @@ static int samsung_pinctrl_probe(struct platform_device *pdev) ctrl->eint_wkup_init(drvdata); platform_set_drvdata(pdev, drvdata); + + /* Add to the global list */ + list_add_tail(&drvdata->node, &drvdata_list); + return 0; } +#ifdef CONFIG_PM + +/** + * samsung_pinctrl_suspend_dev - save pinctrl state for suspend for a device + * + * Save data for all banks handled by this device. + */ +static void samsung_pinctrl_suspend_dev( + struct samsung_pinctrl_drv_data *drvdata) +{ + struct samsung_pin_ctrl *ctrl = drvdata->ctrl; + void __iomem *virt_base = drvdata->virt_base; + int i; + + for (i = 0; i < ctrl->nr_banks; i++) { + struct samsung_pin_bank *bank = &ctrl->pin_banks[i]; + void __iomem *reg = virt_base + bank->pctl_offset; + + u8 *offs = bank->type->reg_offset; + u8 *widths = bank->type->fld_width; + enum pincfg_type type; + + /* Registers without a powerdown config aren't lost */ + if (!widths[PINCFG_TYPE_CON_PDN]) + continue; + + for (type = 0; type < PINCFG_TYPE_NUM; type++) + if (widths[type]) + bank->pm_save[type] = readl(reg + offs[type]); + + if (widths[PINCFG_TYPE_FUNC] * bank->nr_pins > 32) { + /* Some banks have two config registers */ + bank->pm_save[PINCFG_TYPE_NUM] = + readl(reg + offs[PINCFG_TYPE_FUNC] + 4); + pr_debug("Save %s @ %p (con %#010x %08x)\n", + bank->name, reg, + bank->pm_save[PINCFG_TYPE_FUNC], + bank->pm_save[PINCFG_TYPE_NUM]); + } else { + pr_debug("Save %s @ %p (con %#010x)\n", bank->name, + reg, bank->pm_save[PINCFG_TYPE_FUNC]); + } + } + + if (ctrl->suspend) + ctrl->suspend(drvdata); +} + +/** + * samsung_pinctrl_resume_dev - restore pinctrl state from suspend for a device + * + * Restore one of the banks that was saved during suspend. + * + * We don't bother doing anything complicated to avoid glitching lines since + * we're called before pad retention is turned off. + */ +static void samsung_pinctrl_resume_dev(struct samsung_pinctrl_drv_data *drvdata) +{ + struct samsung_pin_ctrl *ctrl = drvdata->ctrl; + void __iomem *virt_base = drvdata->virt_base; + int i; + + if (ctrl->resume) + ctrl->resume(drvdata); + + for (i = 0; i < ctrl->nr_banks; i++) { + struct samsung_pin_bank *bank = &ctrl->pin_banks[i]; + void __iomem *reg = virt_base + bank->pctl_offset; + + u8 *offs = bank->type->reg_offset; + u8 *widths = bank->type->fld_width; + enum pincfg_type type; + + /* Registers without a powerdown config aren't lost */ + if (!widths[PINCFG_TYPE_CON_PDN]) + continue; + + if (widths[PINCFG_TYPE_FUNC] * bank->nr_pins > 32) { + /* Some banks have two config registers */ + pr_debug("%s @ %p (con %#010x %08x => %#010x %08x)\n", + bank->name, reg, + readl(reg + offs[PINCFG_TYPE_FUNC]), + readl(reg + offs[PINCFG_TYPE_FUNC] + 4), + bank->pm_save[PINCFG_TYPE_FUNC], + bank->pm_save[PINCFG_TYPE_NUM]); + writel(bank->pm_save[PINCFG_TYPE_NUM], + reg + offs[PINCFG_TYPE_FUNC] + 4); + } else { + pr_debug("%s @ %p (con %#010x => %#010x)\n", bank->name, + reg, readl(reg + offs[PINCFG_TYPE_FUNC]), + bank->pm_save[PINCFG_TYPE_FUNC]); + } + for (type = 0; type < PINCFG_TYPE_NUM; type++) + if (widths[type]) + writel(bank->pm_save[type], reg + offs[type]); + } +} + +/** + * samsung_pinctrl_suspend - save pinctrl state for suspend + * + * Save data for all banks across all devices. + */ +static int samsung_pinctrl_suspend(void) +{ + struct samsung_pinctrl_drv_data *drvdata; + + list_for_each_entry(drvdata, &drvdata_list, node) { + samsung_pinctrl_suspend_dev(drvdata); + } + + return 0; +} + +/** + * samsung_pinctrl_resume - restore pinctrl state for suspend + * + * Restore data for all banks across all devices. + */ +static void samsung_pinctrl_resume(void) +{ + struct samsung_pinctrl_drv_data *drvdata; + + list_for_each_entry_reverse(drvdata, &drvdata_list, node) { + samsung_pinctrl_resume_dev(drvdata); + } +} + +#else +#define samsung_pinctrl_suspend NULL +#define samsung_pinctrl_resume NULL +#endif + +static struct syscore_ops samsung_pinctrl_syscore_ops = { + .suspend = samsung_pinctrl_suspend, + .resume = samsung_pinctrl_resume, +}; + static const struct of_device_id samsung_pinctrl_dt_match[] = { #ifdef CONFIG_PINCTRL_EXYNOS { .compatible = "samsung,exynos4210-pinctrl", @@ -987,6 +1133,14 @@ static struct platform_driver samsung_pinctrl_driver = { static int __init samsung_pinctrl_drv_register(void) { + /* + * Register syscore ops for save/restore of registers across suspend. + * It's important to ensure that this driver is running at an earlier + * initcall level than any arch-specific init calls that install syscore + * ops that turn off pad retention (like exynos_pm_resume). + */ + register_syscore_ops(&samsung_pinctrl_syscore_ops); + return platform_driver_register(&samsung_pinctrl_driver); } postcore_initcall(samsung_pinctrl_drv_register); diff --git a/drivers/pinctrl/pinctrl-samsung.h b/drivers/pinctrl/pinctrl-samsung.h index 7c7f9ebcd05b..26d3519240c9 100644 --- a/drivers/pinctrl/pinctrl-samsung.h +++ b/drivers/pinctrl/pinctrl-samsung.h @@ -127,6 +127,7 @@ struct samsung_pin_bank_type { * @gpio_chip: GPIO chip of the bank. * @grange: linux gpio pin range supported by this bank. * @slock: spinlock protecting bank registers + * @pm_save: saved register values during suspend */ struct samsung_pin_bank { struct samsung_pin_bank_type *type; @@ -138,12 +139,15 @@ struct samsung_pin_bank { u32 eint_mask; u32 eint_offset; char *name; + void *soc_priv; struct device_node *of_node; struct samsung_pinctrl_drv_data *drvdata; struct irq_domain *irq_domain; struct gpio_chip gpio_chip; struct pinctrl_gpio_range grange; spinlock_t slock; + + u32 pm_save[PINCFG_TYPE_NUM + 1]; /* +1 to handle double CON registers*/ }; /** @@ -184,11 +188,15 @@ struct samsung_pin_ctrl { int (*eint_gpio_init)(struct samsung_pinctrl_drv_data *); int (*eint_wkup_init)(struct samsung_pinctrl_drv_data *); + void (*suspend)(struct samsung_pinctrl_drv_data *); + void (*resume)(struct samsung_pinctrl_drv_data *); + char *label; }; /** * struct samsung_pinctrl_drv_data: wrapper for holding driver data together. + * @node: global list node * @virt_base: register base address of the controller. * @dev: device instance representing the controller. * @irq: interrpt number used by the controller to notify gpio interrupts. @@ -201,6 +209,7 @@ struct samsung_pin_ctrl { * @nr_function: number of such pin functions. */ struct samsung_pinctrl_drv_data { + struct list_head node; void __iomem *virt_base; struct device *dev; int irq; diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c index c52fc2c08732..b7d8c890514c 100644 --- a/drivers/pinctrl/pinctrl-sunxi.c +++ b/drivers/pinctrl/pinctrl-sunxi.c @@ -1990,8 +1990,10 @@ static int sunxi_pinctrl_probe(struct platform_device *pdev) } clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(clk)) + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); goto gpiochip_error; + } clk_prepare_enable(clk); @@ -2000,7 +2002,8 @@ static int sunxi_pinctrl_probe(struct platform_device *pdev) return 0; gpiochip_error: - ret = gpiochip_remove(pctl->chip); + if (gpiochip_remove(pctl->chip)) + dev_err(&pdev->dev, "failed to remove gpio chip\n"); pinctrl_error: pinctrl_unregister(pctl->pctl_dev); return ret; diff --git a/drivers/pinctrl/vt8500/pinctrl-wmt.c b/drivers/pinctrl/vt8500/pinctrl-wmt.c index ab63104e8dc9..70d986e04afb 100644 --- a/drivers/pinctrl/vt8500/pinctrl-wmt.c +++ b/drivers/pinctrl/vt8500/pinctrl-wmt.c @@ -609,8 +609,7 @@ int wmt_pinctrl_probe(struct platform_device *pdev, return 0; fail_range: - err = gpiochip_remove(&data->gpio_chip); - if (err) + if (gpiochip_remove(&data->gpio_chip)) dev_err(&pdev->dev, "failed to remove gpio chip\n"); fail_gpio: pinctrl_unregister(data->pctl_dev); diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index 0d0b5d7d19d0..7b8979c63f48 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -152,6 +152,7 @@ config BATTERY_SBS config BATTERY_BQ27x00 tristate "BQ27x00 battery driver" + depends on I2C || I2C=n help Say Y here to enable support for batteries with BQ27x00 (I2C/HDQ) chips. @@ -284,6 +285,7 @@ config CHARGER_LP8788 tristate "TI LP8788 charger driver" depends on MFD_LP8788 depends on LP8788_ADC + depends on IIO help Say Y to enable support for the LP8788 linear charger. diff --git a/drivers/power/pm2301_charger.c b/drivers/power/pm2301_charger.c index a44175139bbf..fef56e2041b3 100644 --- a/drivers/power/pm2301_charger.c +++ b/drivers/power/pm2301_charger.c @@ -1269,5 +1269,5 @@ module_exit(pm2xxx_charger_exit); MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Rajkumar kasirajan, Olivier Launay"); -MODULE_ALIAS("platform:pm2xxx-charger"); +MODULE_ALIAS("i2c:pm2xxx-charger"); MODULE_DESCRIPTION("PM2xxx charger management driver"); diff --git a/drivers/power/wm831x_backup.c b/drivers/power/wm831x_backup.c index 58cbb009b74f..56fb509f4be0 100644 --- a/drivers/power/wm831x_backup.c +++ b/drivers/power/wm831x_backup.c @@ -207,7 +207,6 @@ static int wm831x_backup_remove(struct platform_device *pdev) struct wm831x_backup *devdata = platform_get_drvdata(pdev); power_supply_unregister(&devdata->backup); - kfree(devdata->backup.name); return 0; } diff --git a/drivers/ptp/ptp_pch.c b/drivers/ptp/ptp_pch.c index bea94510ad2d..71a2559278d7 100644 --- a/drivers/ptp/ptp_pch.c +++ b/drivers/ptp/ptp_pch.c @@ -628,9 +628,10 @@ pch_probe(struct pci_dev *pdev, const struct pci_device_id *id) chip->caps = ptp_pch_caps; chip->ptp_clock = ptp_clock_register(&chip->caps, &pdev->dev); - - if (IS_ERR(chip->ptp_clock)) - return PTR_ERR(chip->ptp_clock); + if (IS_ERR(chip->ptp_clock)) { + ret = PTR_ERR(chip->ptp_clock); + goto err_ptp_clock_reg; + } spin_lock_init(&chip->register_lock); @@ -669,6 +670,7 @@ pch_probe(struct pci_dev *pdev, const struct pci_device_id *id) err_req_irq: ptp_clock_unregister(chip->ptp_clock); +err_ptp_clock_reg: iounmap(chip->regs); chip->regs = NULL; diff --git a/drivers/rapidio/Kconfig b/drivers/rapidio/Kconfig index 6194d35ebb97..5ab056494bbe 100644 --- a/drivers/rapidio/Kconfig +++ b/drivers/rapidio/Kconfig @@ -47,4 +47,24 @@ config RAPIDIO_DEBUG If you are unsure about this, say N here. +choice + prompt "Enumeration method" + depends on RAPIDIO + default RAPIDIO_ENUM_BASIC + help + There are different enumeration and discovery mechanisms offered + for RapidIO subsystem. You may select single built-in method or + or any number of methods to be built as modules. + Selecting a built-in method disables use of loadable methods. + + If unsure, select Basic built-in. + +config RAPIDIO_ENUM_BASIC + tristate "Basic" + help + This option includes basic RapidIO fabric enumeration and discovery + mechanism similar to one described in RapidIO specification Annex 1. + +endchoice + source "drivers/rapidio/switches/Kconfig" diff --git a/drivers/rapidio/Makefile b/drivers/rapidio/Makefile index ec3fb8121004..3036702ffe8b 100644 --- a/drivers/rapidio/Makefile +++ b/drivers/rapidio/Makefile @@ -1,7 +1,8 @@ # # Makefile for RapidIO interconnect services # -obj-y += rio.o rio-access.o rio-driver.o rio-scan.o rio-sysfs.o +obj-y += rio.o rio-access.o rio-driver.o rio-sysfs.o +obj-$(CONFIG_RAPIDIO_ENUM_BASIC) += rio-scan.o obj-$(CONFIG_RAPIDIO) += switches/ obj-$(CONFIG_RAPIDIO) += devices/ diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c index 6faba406b6e9..a8b2c23a7ef4 100644 --- a/drivers/rapidio/devices/tsi721.c +++ b/drivers/rapidio/devices/tsi721.c @@ -471,6 +471,10 @@ static irqreturn_t tsi721_irqhandler(int irq, void *ptr) u32 intval; u32 ch_inte; + /* For MSI mode disable all device-level interrupts */ + if (priv->flags & TSI721_USING_MSI) + iowrite32(0, priv->regs + TSI721_DEV_INTE); + dev_int = ioread32(priv->regs + TSI721_DEV_INT); if (!dev_int) return IRQ_NONE; @@ -560,6 +564,14 @@ static irqreturn_t tsi721_irqhandler(int irq, void *ptr) } } #endif + + /* For MSI mode re-enable device-level interrupts */ + if (priv->flags & TSI721_USING_MSI) { + dev_int = TSI721_DEV_INT_SR2PC_CH | TSI721_DEV_INT_SRIO | + TSI721_DEV_INT_SMSG_CH | TSI721_DEV_INT_BDMA_CH; + iowrite32(dev_int, priv->regs + TSI721_DEV_INTE); + } + return IRQ_HANDLED; } diff --git a/drivers/rapidio/rio-driver.c b/drivers/rapidio/rio-driver.c index 0f4a53bdaa3c..a0c875563d76 100644 --- a/drivers/rapidio/rio-driver.c +++ b/drivers/rapidio/rio-driver.c @@ -164,6 +164,13 @@ void rio_unregister_driver(struct rio_driver *rdrv) driver_unregister(&rdrv->driver); } +void rio_attach_device(struct rio_dev *rdev) +{ + rdev->dev.bus = &rio_bus_type; + rdev->dev.parent = &rio_bus; +} +EXPORT_SYMBOL_GPL(rio_attach_device); + /** * rio_match_bus - Tell if a RIO device structure has a matching RIO driver device id structure * @dev: the standard device structure to match against @@ -200,6 +207,7 @@ struct bus_type rio_bus_type = { .name = "rapidio", .match = rio_match_bus, .dev_attrs = rio_dev_attrs, + .bus_attrs = rio_bus_attrs, .probe = rio_device_probe, .remove = rio_device_remove, }; diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c index a965acd3c0e4..4c15dbf81087 100644 --- a/drivers/rapidio/rio-scan.c +++ b/drivers/rapidio/rio-scan.c @@ -37,12 +37,8 @@ #include "rio.h" -LIST_HEAD(rio_devices); - static void rio_init_em(struct rio_dev *rdev); -DEFINE_SPINLOCK(rio_global_list_lock); - static int next_destid = 0; static int next_comptag = 1; @@ -327,127 +323,6 @@ static int rio_is_switch(struct rio_dev *rdev) } /** - * rio_switch_init - Sets switch operations for a particular vendor switch - * @rdev: RIO device - * @do_enum: Enumeration/Discovery mode flag - * - * Searches the RIO switch ops table for known switch types. If the vid - * and did match a switch table entry, then call switch initialization - * routine to setup switch-specific routines. - */ -static void rio_switch_init(struct rio_dev *rdev, int do_enum) -{ - struct rio_switch_ops *cur = __start_rio_switch_ops; - struct rio_switch_ops *end = __end_rio_switch_ops; - - while (cur < end) { - if ((cur->vid == rdev->vid) && (cur->did == rdev->did)) { - pr_debug("RIO: calling init routine for %s\n", - rio_name(rdev)); - cur->init_hook(rdev, do_enum); - break; - } - cur++; - } - - if ((cur >= end) && (rdev->pef & RIO_PEF_STD_RT)) { - pr_debug("RIO: adding STD routing ops for %s\n", - rio_name(rdev)); - rdev->rswitch->add_entry = rio_std_route_add_entry; - rdev->rswitch->get_entry = rio_std_route_get_entry; - rdev->rswitch->clr_table = rio_std_route_clr_table; - } - - if (!rdev->rswitch->add_entry || !rdev->rswitch->get_entry) - printk(KERN_ERR "RIO: missing routing ops for %s\n", - rio_name(rdev)); -} - -/** - * rio_add_device- Adds a RIO device to the device model - * @rdev: RIO device - * - * Adds the RIO device to the global device list and adds the RIO - * device to the RIO device list. Creates the generic sysfs nodes - * for an RIO device. - */ -static int rio_add_device(struct rio_dev *rdev) -{ - int err; - - err = device_add(&rdev->dev); - if (err) - return err; - - spin_lock(&rio_global_list_lock); - list_add_tail(&rdev->global_list, &rio_devices); - spin_unlock(&rio_global_list_lock); - - rio_create_sysfs_dev_files(rdev); - - return 0; -} - -/** - * rio_enable_rx_tx_port - enable input receiver and output transmitter of - * given port - * @port: Master port associated with the RIO network - * @local: local=1 select local port otherwise a far device is reached - * @destid: Destination ID of the device to check host bit - * @hopcount: Number of hops to reach the target - * @port_num: Port (-number on switch) to enable on a far end device - * - * Returns 0 or 1 from on General Control Command and Status Register - * (EXT_PTR+0x3C) - */ -inline int rio_enable_rx_tx_port(struct rio_mport *port, - int local, u16 destid, - u8 hopcount, u8 port_num) { -#ifdef CONFIG_RAPIDIO_ENABLE_RX_TX_PORTS - u32 regval; - u32 ext_ftr_ptr; - - /* - * enable rx input tx output port - */ - pr_debug("rio_enable_rx_tx_port(local = %d, destid = %d, hopcount = " - "%d, port_num = %d)\n", local, destid, hopcount, port_num); - - ext_ftr_ptr = rio_mport_get_physefb(port, local, destid, hopcount); - - if (local) { - rio_local_read_config_32(port, ext_ftr_ptr + - RIO_PORT_N_CTL_CSR(0), - ®val); - } else { - if (rio_mport_read_config_32(port, destid, hopcount, - ext_ftr_ptr + RIO_PORT_N_CTL_CSR(port_num), ®val) < 0) - return -EIO; - } - - if (regval & RIO_PORT_N_CTL_P_TYP_SER) { - /* serial */ - regval = regval | RIO_PORT_N_CTL_EN_RX_SER - | RIO_PORT_N_CTL_EN_TX_SER; - } else { - /* parallel */ - regval = regval | RIO_PORT_N_CTL_EN_RX_PAR - | RIO_PORT_N_CTL_EN_TX_PAR; - } - - if (local) { - rio_local_write_config_32(port, ext_ftr_ptr + - RIO_PORT_N_CTL_CSR(0), regval); - } else { - if (rio_mport_write_config_32(port, destid, hopcount, - ext_ftr_ptr + RIO_PORT_N_CTL_CSR(port_num), regval) < 0) - return -EIO; - } -#endif - return 0; -} - -/** * rio_setup_device- Allocates and sets up a RIO device * @net: RIO network * @port: Master port to send transactions @@ -587,8 +462,7 @@ static struct rio_dev *rio_setup_device(struct rio_net *net, rdev->destid); } - rdev->dev.bus = &rio_bus_type; - rdev->dev.parent = &rio_bus; + rio_attach_device(rdev); device_initialize(&rdev->dev); rdev->dev.release = rio_release_dev; @@ -1260,19 +1134,30 @@ static void rio_pw_enable(struct rio_mport *port, int enable) /** * rio_enum_mport- Start enumeration through a master port * @mport: Master port to send transactions + * @flags: Enumeration control flags * * Starts the enumeration process. If somebody has enumerated our * master port device, then give up. If not and we have an active * link, then start recursive peer enumeration. Returns %0 if * enumeration succeeds or %-EBUSY if enumeration fails. */ -int rio_enum_mport(struct rio_mport *mport) +int rio_enum_mport(struct rio_mport *mport, u32 flags) { struct rio_net *net = NULL; int rc = 0; printk(KERN_INFO "RIO: enumerate master port %d, %s\n", mport->id, mport->name); + + /* + * To avoid multiple start requests (repeat enumeration is not supported + * by this method) check if enumeration/discovery was performed for this + * mport: if mport was added into the list of mports for a net exit + * with error. + */ + if (mport->nnode.next || mport->nnode.prev) + return -EBUSY; + /* If somebody else enumerated our master port device, bail. */ if (rio_enum_host(mport) < 0) { printk(KERN_INFO @@ -1362,14 +1247,16 @@ static void rio_build_route_tables(struct rio_net *net) /** * rio_disc_mport- Start discovery through a master port * @mport: Master port to send transactions + * @flags: discovery control flags * * Starts the discovery process. If we have an active link, - * then wait for the signal that enumeration is complete. + * then wait for the signal that enumeration is complete (if wait + * is allowed). * When enumeration completion is signaled, start recursive * peer discovery. Returns %0 if discovery succeeds or %-EBUSY * on failure. */ -int rio_disc_mport(struct rio_mport *mport) +int rio_disc_mport(struct rio_mport *mport, u32 flags) { struct rio_net *net = NULL; unsigned long to_end; @@ -1379,6 +1266,11 @@ int rio_disc_mport(struct rio_mport *mport) /* If master port has an active link, allocate net and discover peers */ if (rio_mport_is_active(mport)) { + if (rio_enum_complete(mport)) + goto enum_done; + else if (flags & RIO_SCAN_ENUM_NO_WAIT) + return -EAGAIN; + pr_debug("RIO: wait for enumeration to complete...\n"); to_end = jiffies + CONFIG_RAPIDIO_DISC_TIMEOUT * HZ; @@ -1421,3 +1313,41 @@ enum_done: bail: return -EBUSY; } + +static struct rio_scan rio_scan_ops = { + .enumerate = rio_enum_mport, + .discover = rio_disc_mport, +}; + +static bool scan; +module_param(scan, bool, 0); +MODULE_PARM_DESC(scan, "Start RapidIO network enumeration/discovery " + "(default = 0)"); + +/** + * rio_basic_attach: + * + * When this enumeration/discovery method is loaded as a module this function + * registers its specific enumeration and discover routines for all available + * RapidIO mport devices. The "scan" command line parameter controls ability of + * the module to start RapidIO enumeration/discovery automatically. + * + * Returns 0 for success or -EIO if unable to register itself. + * + * This enumeration/discovery method cannot be unloaded and therefore does not + * provide a matching cleanup_module routine. + */ + +static int __init rio_basic_attach(void) +{ + if (rio_register_scan(RIO_MPORT_ANY, &rio_scan_ops)) + return -EIO; + if (scan) + rio_init_mports(); + return 0; +} + +late_initcall(rio_basic_attach); + +MODULE_DESCRIPTION("Basic RapidIO enumeration/discovery"); +MODULE_LICENSE("GPL"); diff --git a/drivers/rapidio/rio-sysfs.c b/drivers/rapidio/rio-sysfs.c index 4dbe360989be..66d4acd5e18f 100644 --- a/drivers/rapidio/rio-sysfs.c +++ b/drivers/rapidio/rio-sysfs.c @@ -285,3 +285,48 @@ void rio_remove_sysfs_dev_files(struct rio_dev *rdev) rdev->rswitch->sw_sysfs(rdev, RIO_SW_SYSFS_REMOVE); } } + +static ssize_t bus_scan_store(struct bus_type *bus, const char *buf, + size_t count) +{ + long val; + struct rio_mport *port = NULL; + int rc; + + if (kstrtol(buf, 0, &val) < 0) + return -EINVAL; + + if (val == RIO_MPORT_ANY) { + rc = rio_init_mports(); + goto exit; + } + + if (val < 0 || val >= RIO_MAX_MPORTS) + return -EINVAL; + + port = rio_find_mport((int)val); + + if (!port) { + pr_debug("RIO: %s: mport_%d not available\n", + __func__, (int)val); + return -EINVAL; + } + + if (!port->nscan) + return -EINVAL; + + if (port->host_deviceid >= 0) + rc = port->nscan->enumerate(port, 0); + else + rc = port->nscan->discover(port, RIO_SCAN_ENUM_NO_WAIT); +exit: + if (!rc) + rc = count; + + return rc; +} + +struct bus_attribute rio_bus_attrs[] = { + __ATTR(scan, (S_IWUSR|S_IWGRP), NULL, bus_scan_store), + __ATTR_NULL +}; diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c index d553b5d13722..cb1c08996fbb 100644 --- a/drivers/rapidio/rio.c +++ b/drivers/rapidio/rio.c @@ -31,7 +31,11 @@ #include "rio.h" +static LIST_HEAD(rio_devices); +static DEFINE_SPINLOCK(rio_global_list_lock); + static LIST_HEAD(rio_mports); +static DEFINE_MUTEX(rio_mport_list_lock); static unsigned char next_portid; static DEFINE_SPINLOCK(rio_mmap_lock); @@ -53,6 +57,32 @@ u16 rio_local_get_device_id(struct rio_mport *port) } /** + * rio_add_device- Adds a RIO device to the device model + * @rdev: RIO device + * + * Adds the RIO device to the global device list and adds the RIO + * device to the RIO device list. Creates the generic sysfs nodes + * for an RIO device. + */ +int rio_add_device(struct rio_dev *rdev) +{ + int err; + + err = device_add(&rdev->dev); + if (err) + return err; + + spin_lock(&rio_global_list_lock); + list_add_tail(&rdev->global_list, &rio_devices); + spin_unlock(&rio_global_list_lock); + + rio_create_sysfs_dev_files(rdev); + + return 0; +} +EXPORT_SYMBOL_GPL(rio_add_device); + +/** * rio_request_inb_mbox - request inbound mailbox service * @mport: RIO master port from which to allocate the mailbox resource * @dev_id: Device specific pointer to pass on event @@ -489,6 +519,7 @@ rio_mport_get_physefb(struct rio_mport *port, int local, return ext_ftr_ptr; } +EXPORT_SYMBOL_GPL(rio_mport_get_physefb); /** * rio_get_comptag - Begin or continue searching for a RIO device by component tag @@ -521,6 +552,7 @@ exit: spin_unlock(&rio_global_list_lock); return rdev; } +EXPORT_SYMBOL_GPL(rio_get_comptag); /** * rio_set_port_lockout - Sets/clears LOCKOUT bit (RIO EM 1.3) for a switch port. @@ -545,6 +577,107 @@ int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock) regval); return 0; } +EXPORT_SYMBOL_GPL(rio_set_port_lockout); + +/** + * rio_switch_init - Sets switch operations for a particular vendor switch + * @rdev: RIO device + * @do_enum: Enumeration/Discovery mode flag + * + * Searches the RIO switch ops table for known switch types. If the vid + * and did match a switch table entry, then call switch initialization + * routine to setup switch-specific routines. + */ +void rio_switch_init(struct rio_dev *rdev, int do_enum) +{ + struct rio_switch_ops *cur = __start_rio_switch_ops; + struct rio_switch_ops *end = __end_rio_switch_ops; + + while (cur < end) { + if ((cur->vid == rdev->vid) && (cur->did == rdev->did)) { + pr_debug("RIO: calling init routine for %s\n", + rio_name(rdev)); + cur->init_hook(rdev, do_enum); + break; + } + cur++; + } + + if ((cur >= end) && (rdev->pef & RIO_PEF_STD_RT)) { + pr_debug("RIO: adding STD routing ops for %s\n", + rio_name(rdev)); + rdev->rswitch->add_entry = rio_std_route_add_entry; + rdev->rswitch->get_entry = rio_std_route_get_entry; + rdev->rswitch->clr_table = rio_std_route_clr_table; + } + + if (!rdev->rswitch->add_entry || !rdev->rswitch->get_entry) + printk(KERN_ERR "RIO: missing routing ops for %s\n", + rio_name(rdev)); +} +EXPORT_SYMBOL_GPL(rio_switch_init); + +/** + * rio_enable_rx_tx_port - enable input receiver and output transmitter of + * given port + * @port: Master port associated with the RIO network + * @local: local=1 select local port otherwise a far device is reached + * @destid: Destination ID of the device to check host bit + * @hopcount: Number of hops to reach the target + * @port_num: Port (-number on switch) to enable on a far end device + * + * Returns 0 or 1 from on General Control Command and Status Register + * (EXT_PTR+0x3C) + */ +int rio_enable_rx_tx_port(struct rio_mport *port, + int local, u16 destid, + u8 hopcount, u8 port_num) +{ +#ifdef CONFIG_RAPIDIO_ENABLE_RX_TX_PORTS + u32 regval; + u32 ext_ftr_ptr; + + /* + * enable rx input tx output port + */ + pr_debug("rio_enable_rx_tx_port(local = %d, destid = %d, hopcount = " + "%d, port_num = %d)\n", local, destid, hopcount, port_num); + + ext_ftr_ptr = rio_mport_get_physefb(port, local, destid, hopcount); + + if (local) { + rio_local_read_config_32(port, ext_ftr_ptr + + RIO_PORT_N_CTL_CSR(0), + ®val); + } else { + if (rio_mport_read_config_32(port, destid, hopcount, + ext_ftr_ptr + RIO_PORT_N_CTL_CSR(port_num), ®val) < 0) + return -EIO; + } + + if (regval & RIO_PORT_N_CTL_P_TYP_SER) { + /* serial */ + regval = regval | RIO_PORT_N_CTL_EN_RX_SER + | RIO_PORT_N_CTL_EN_TX_SER; + } else { + /* parallel */ + regval = regval | RIO_PORT_N_CTL_EN_RX_PAR + | RIO_PORT_N_CTL_EN_TX_PAR; + } + + if (local) { + rio_local_write_config_32(port, ext_ftr_ptr + + RIO_PORT_N_CTL_CSR(0), regval); + } else { + if (rio_mport_write_config_32(port, destid, hopcount, + ext_ftr_ptr + RIO_PORT_N_CTL_CSR(port_num), regval) < 0) + return -EIO; + } +#endif + return 0; +} +EXPORT_SYMBOL_GPL(rio_enable_rx_tx_port); + /** * rio_chk_dev_route - Validate route to the specified device. @@ -610,6 +743,7 @@ rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid, u8 hopcount) return 0; } +EXPORT_SYMBOL_GPL(rio_mport_chk_dev_access); /** * rio_chk_dev_access - Validate access to the specified device. @@ -941,6 +1075,7 @@ rio_mport_get_efb(struct rio_mport *port, int local, u16 destid, return RIO_GET_BLOCK_ID(reg_val); } } +EXPORT_SYMBOL_GPL(rio_mport_get_efb); /** * rio_mport_get_feature - query for devices' extended features @@ -997,6 +1132,7 @@ rio_mport_get_feature(struct rio_mport * port, int local, u16 destid, return 0; } +EXPORT_SYMBOL_GPL(rio_mport_get_feature); /** * rio_get_asm - Begin or continue searching for a RIO device by vid/did/asm_vid/asm_did @@ -1246,6 +1382,95 @@ EXPORT_SYMBOL_GPL(rio_dma_prep_slave_sg); #endif /* CONFIG_RAPIDIO_DMA_ENGINE */ +/** + * rio_find_mport - find RIO mport by its ID + * @mport_id: number (ID) of mport device + * + * Given a RIO mport number, the desired mport is located + * in the global list of mports. If the mport is found, a pointer to its + * data structure is returned. If no mport is found, %NULL is returned. + */ +struct rio_mport *rio_find_mport(int mport_id) +{ + struct rio_mport *port; + + mutex_lock(&rio_mport_list_lock); + list_for_each_entry(port, &rio_mports, node) { + if (port->id == mport_id) + goto found; + } + port = NULL; +found: + mutex_unlock(&rio_mport_list_lock); + + return port; +} + +/** + * rio_register_scan - enumeration/discovery method registration interface + * @mport_id: mport device ID for which fabric scan routine has to be set + * (RIO_MPORT_ANY = set for all available mports) + * @scan_ops: enumeration/discovery control structure + * + * Assigns enumeration or discovery method to the specified mport device (or all + * available mports if RIO_MPORT_ANY is specified). + * Returns error if the mport already has an enumerator attached to it. + * In case of RIO_MPORT_ANY ignores ports with valid scan routines and returns + * an error if was unable to find at least one available mport. + */ +int rio_register_scan(int mport_id, struct rio_scan *scan_ops) +{ + struct rio_mport *port; + int rc = -EBUSY; + + mutex_lock(&rio_mport_list_lock); + list_for_each_entry(port, &rio_mports, node) { + if (port->id == mport_id || mport_id == RIO_MPORT_ANY) { + if (port->nscan && mport_id == RIO_MPORT_ANY) + continue; + else if (port->nscan) + break; + + port->nscan = scan_ops; + rc = 0; + + if (mport_id != RIO_MPORT_ANY) + break; + } + } + mutex_unlock(&rio_mport_list_lock); + + return rc; +} +EXPORT_SYMBOL_GPL(rio_register_scan); + +/** + * rio_unregister_scan - removes enumeration/discovery method from mport + * @mport_id: mport device ID for which fabric scan routine has to be + * unregistered (RIO_MPORT_ANY = set for all available mports) + * + * Removes enumeration or discovery method assigned to the specified mport + * device (or all available mports if RIO_MPORT_ANY is specified). + */ +int rio_unregister_scan(int mport_id) +{ + struct rio_mport *port; + + mutex_lock(&rio_mport_list_lock); + list_for_each_entry(port, &rio_mports, node) { + if (port->id == mport_id || mport_id == RIO_MPORT_ANY) { + if (port->nscan) + port->nscan = NULL; + if (mport_id != RIO_MPORT_ANY) + break; + } + } + mutex_unlock(&rio_mport_list_lock); + + return 0; +} +EXPORT_SYMBOL_GPL(rio_unregister_scan); + static void rio_fixup_device(struct rio_dev *dev) { } @@ -1274,7 +1499,7 @@ static void disc_work_handler(struct work_struct *_work) work = container_of(_work, struct rio_disc_work, work); pr_debug("RIO: discovery work for mport %d %s\n", work->mport->id, work->mport->name); - rio_disc_mport(work->mport); + work->mport->nscan->discover(work->mport, 0); } int rio_init_mports(void) @@ -1290,12 +1515,15 @@ int rio_init_mports(void) * First, run enumerations and check if we need to perform discovery * on any of the registered mports. */ + mutex_lock(&rio_mport_list_lock); list_for_each_entry(port, &rio_mports, node) { - if (port->host_deviceid >= 0) - rio_enum_mport(port); - else + if (port->host_deviceid >= 0) { + if (port->nscan) + port->nscan->enumerate(port, 0); + } else n++; } + mutex_unlock(&rio_mport_list_lock); if (!n) goto no_disc; @@ -1322,14 +1550,16 @@ int rio_init_mports(void) } n = 0; + mutex_lock(&rio_mport_list_lock); list_for_each_entry(port, &rio_mports, node) { - if (port->host_deviceid < 0) { + if (port->host_deviceid < 0 && port->nscan) { work[n].mport = port; INIT_WORK(&work[n].work, disc_work_handler); queue_work(rio_wq, &work[n].work); n++; } } + mutex_unlock(&rio_mport_list_lock); flush_workqueue(rio_wq); pr_debug("RIO: destroy discovery workqueue\n"); @@ -1342,8 +1572,6 @@ no_disc: return 0; } -device_initcall_sync(rio_init_mports); - static int hdids[RIO_MAX_MPORTS + 1]; static int rio_get_hdid(int index) @@ -1371,7 +1599,10 @@ int rio_register_mport(struct rio_mport *port) port->id = next_portid++; port->host_deviceid = rio_get_hdid(port->id); + port->nscan = NULL; + mutex_lock(&rio_mport_list_lock); list_add_tail(&port->node, &rio_mports); + mutex_unlock(&rio_mport_list_lock); return 0; } @@ -1386,3 +1617,4 @@ EXPORT_SYMBOL_GPL(rio_request_inb_mbox); EXPORT_SYMBOL_GPL(rio_release_inb_mbox); EXPORT_SYMBOL_GPL(rio_request_outb_mbox); EXPORT_SYMBOL_GPL(rio_release_outb_mbox); +EXPORT_SYMBOL_GPL(rio_init_mports); diff --git a/drivers/rapidio/rio.h b/drivers/rapidio/rio.h index b1af414f15e6..c14f864dea5c 100644 --- a/drivers/rapidio/rio.h +++ b/drivers/rapidio/rio.h @@ -15,6 +15,7 @@ #include <linux/rio.h> #define RIO_MAX_CHK_RETRY 3 +#define RIO_MPORT_ANY (-1) /* Functions internal to the RIO core code */ @@ -27,8 +28,6 @@ extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid, extern int rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid, u8 hopcount); extern int rio_create_sysfs_dev_files(struct rio_dev *rdev); -extern int rio_enum_mport(struct rio_mport *mport); -extern int rio_disc_mport(struct rio_mport *mport); extern int rio_std_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount, u16 table, u16 route_destid, u8 route_port); @@ -39,10 +38,18 @@ extern int rio_std_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount, u16 table); extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock); extern struct rio_dev *rio_get_comptag(u32 comp_tag, struct rio_dev *from); +extern int rio_add_device(struct rio_dev *rdev); +extern void rio_switch_init(struct rio_dev *rdev, int do_enum); +extern int rio_enable_rx_tx_port(struct rio_mport *port, int local, u16 destid, + u8 hopcount, u8 port_num); +extern int rio_register_scan(int mport_id, struct rio_scan *scan_ops); +extern int rio_unregister_scan(int mport_id); +extern void rio_attach_device(struct rio_dev *rdev); +extern struct rio_mport *rio_find_mport(int mport_id); /* Structures internal to the RIO core code */ extern struct device_attribute rio_dev_attrs[]; -extern spinlock_t rio_global_list_lock; +extern struct bus_attribute rio_bus_attrs[]; extern struct rio_switch_ops __start_rio_switch_ops[]; extern struct rio_switch_ops __end_rio_switch_ops[]; diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 6e5017841582..815d6df8bd5f 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1539,7 +1539,10 @@ static void regulator_ena_gpio_free(struct regulator_dev *rdev) } /** - * Balance enable_count of each GPIO and actual GPIO pin control. + * regulator_ena_gpio_ctrl - balance enable_count of each GPIO and actual GPIO pin control + * @rdev: regulator_dev structure + * @enable: enable GPIO at initial use? + * * GPIO is enabled in case of initial use. (enable_count is 0) * GPIO is disabled when it is not shared any more. (enable_count <= 1) */ @@ -2702,7 +2705,7 @@ EXPORT_SYMBOL_GPL(regulator_get_voltage); /** * regulator_set_current_limit - set regulator output current limit * @regulator: regulator source - * @min_uA: Minimuum supported current in uA + * @min_uA: Minimum supported current in uA * @max_uA: Maximum supported current in uA * * Sets current sink to the desired output current. This can be set during diff --git a/drivers/regulator/dbx500-prcmu.c b/drivers/regulator/dbx500-prcmu.c index 89bd2faaef8c..ce89f7848a57 100644 --- a/drivers/regulator/dbx500-prcmu.c +++ b/drivers/regulator/dbx500-prcmu.c @@ -24,18 +24,6 @@ static int power_state_active_cnt; /* will initialize to zero */ static DEFINE_SPINLOCK(power_state_active_lock); -int power_state_active_get(void) -{ - unsigned long flags; - int cnt; - - spin_lock_irqsave(&power_state_active_lock, flags); - cnt = power_state_active_cnt; - spin_unlock_irqrestore(&power_state_active_lock, flags); - - return cnt; -} - void power_state_active_enable(void) { unsigned long flags; @@ -65,6 +53,18 @@ out: #ifdef CONFIG_REGULATOR_DEBUG +static int power_state_active_get(void) +{ + unsigned long flags; + int cnt; + + spin_lock_irqsave(&power_state_active_lock, flags); + cnt = power_state_active_cnt; + spin_unlock_irqrestore(&power_state_active_lock, flags); + + return cnt; +} + static struct ux500_regulator_debug { struct dentry *dir; struct dentry *status_file; diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c index 92ceed0fc65e..3ae44ac12a94 100644 --- a/drivers/regulator/palmas-regulator.c +++ b/drivers/regulator/palmas-regulator.c @@ -840,7 +840,7 @@ static int palmas_regulators_probe(struct platform_device *pdev) break; } - if ((id == PALMAS_REG_SMPS6) && (id == PALMAS_REG_SMPS8)) + if ((id == PALMAS_REG_SMPS6) || (id == PALMAS_REG_SMPS8)) ramp_delay_support = true; if (ramp_delay_support) { @@ -878,7 +878,7 @@ static int palmas_regulators_probe(struct platform_device *pdev) pmic->desc[id].vsel_mask = SMPS10_VSEL; pmic->desc[id].enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, - PALMAS_SMPS10_STATUS); + PALMAS_SMPS10_CTRL); pmic->desc[id].enable_mask = SMPS10_BOOST_EN; pmic->desc[id].min_uV = 3750000; pmic->desc[id].uV_step = 1250000; diff --git a/drivers/rtc/rtc-max8998.c b/drivers/rtc/rtc-max8998.c index 48b6612fae7f..d5af7baa48b5 100644 --- a/drivers/rtc/rtc-max8998.c +++ b/drivers/rtc/rtc-max8998.c @@ -285,7 +285,7 @@ static int max8998_rtc_probe(struct platform_device *pdev) info->irq, ret); dev_info(&pdev->dev, "RTC CHIP NAME: %s\n", pdev->id_entry->name); - if (pdata->rtc_delay) { + if (pdata && pdata->rtc_delay) { info->lp3974_bug_workaround = true; dev_warn(&pdev->dev, "LP3974 with RTC REGERR option." " RTC updates will be extremely slow.\n"); diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c index 8900ea784817..0f0609b1aa2c 100644 --- a/drivers/rtc/rtc-pl031.c +++ b/drivers/rtc/rtc-pl031.c @@ -306,7 +306,7 @@ static int pl031_remove(struct amba_device *adev) struct pl031_local *ldata = dev_get_drvdata(&adev->dev); amba_set_drvdata(adev, NULL); - free_irq(adev->irq[0], ldata->rtc); + free_irq(adev->irq[0], ldata); rtc_device_unregister(ldata->rtc); iounmap(ldata->base); kfree(ldata); diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 4361d9772c42..d72a9216ee2e 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -3440,8 +3440,16 @@ void dasd_generic_path_event(struct ccw_device *cdev, int *path_event) device->path_data.opm &= ~eventlpm; device->path_data.ppm &= ~eventlpm; device->path_data.npm &= ~eventlpm; - if (oldopm && !device->path_data.opm) - dasd_generic_last_path_gone(device); + if (oldopm && !device->path_data.opm) { + dev_warn(&device->cdev->dev, + "No verified channel paths remain " + "for the device\n"); + DBF_DEV_EVENT(DBF_WARNING, device, + "%s", "last verified path gone"); + dasd_eer_write(device, NULL, DASD_EER_NOPATH); + dasd_device_set_stop_bits(device, + DASD_STOPPED_DC_WAIT); + } } if (path_event[chp] & PE_PATH_AVAILABLE) { device->path_data.opm &= ~eventlpm; diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c index d182c96e17ea..7a3870f385f6 100644 --- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c +++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c @@ -1370,7 +1370,7 @@ static void tcm_qla2xxx_free_session(struct qla_tgt_sess *sess) dump_stack(); return; } - target_wait_for_sess_cmds(se_sess, 0); + target_wait_for_sess_cmds(se_sess); transport_deregister_session_configfs(sess->se_sess); transport_deregister_session(sess->se_sess); diff --git a/drivers/scsi/scsi_proc.c b/drivers/scsi/scsi_proc.c index db66357211ed..86f0c5d5c116 100644 --- a/drivers/scsi/scsi_proc.c +++ b/drivers/scsi/scsi_proc.c @@ -84,6 +84,7 @@ static int proc_scsi_host_open(struct inode *inode, struct file *file) static const struct file_operations proc_scsi_fops = { .open = proc_scsi_host_open, + .release = single_release, .read = seq_read, .llseek = seq_lseek, .write = proc_scsi_host_write diff --git a/drivers/staging/imx-drm/ipuv3-crtc.c b/drivers/staging/imx-drm/ipuv3-crtc.c index ea61c869110f..ff5c63350932 100644 --- a/drivers/staging/imx-drm/ipuv3-crtc.c +++ b/drivers/staging/imx-drm/ipuv3-crtc.c @@ -316,31 +316,14 @@ static int ipu_crtc_mode_set(struct drm_crtc *crtc, static void ipu_crtc_handle_pageflip(struct ipu_crtc *ipu_crtc) { - struct drm_pending_vblank_event *e; - struct timeval now; unsigned long flags; struct drm_device *drm = ipu_crtc->base.dev; spin_lock_irqsave(&drm->event_lock, flags); - - e = ipu_crtc->page_flip_event; - if (!e) { - spin_unlock_irqrestore(&drm->event_lock, flags); - return; - } - - do_gettimeofday(&now); - e->event.sequence = 0; - e->event.tv_sec = now.tv_sec; - e->event.tv_usec = now.tv_usec; + if (ipu_crtc->page_flip_event) + drm_send_vblank_event(drm, -1, ipu_crtc->page_flip_event); ipu_crtc->page_flip_event = NULL; - imx_drm_crtc_vblank_put(ipu_crtc->imx_crtc); - - list_add_tail(&e->base.link, &e->base.file_priv->event_list); - - wake_up_interruptible(&e->base.file_priv->event_wait); - spin_unlock_irqrestore(&drm->event_lock, flags); } diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 262ef1f23b38..d7705e5824fb 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -651,7 +651,7 @@ static int iscsit_add_reject( cmd->buf_ptr = kmemdup(buf, ISCSI_HDR_LEN, GFP_KERNEL); if (!cmd->buf_ptr) { pr_err("Unable to allocate memory for cmd->buf_ptr\n"); - iscsit_release_cmd(cmd); + iscsit_free_cmd(cmd, false); return -1; } @@ -697,7 +697,7 @@ int iscsit_add_reject_from_cmd( cmd->buf_ptr = kmemdup(buf, ISCSI_HDR_LEN, GFP_KERNEL); if (!cmd->buf_ptr) { pr_err("Unable to allocate memory for cmd->buf_ptr\n"); - iscsit_release_cmd(cmd); + iscsit_free_cmd(cmd, false); return -1; } @@ -1743,7 +1743,7 @@ int iscsit_handle_nop_out(struct iscsi_conn *conn, struct iscsi_cmd *cmd, return 0; out: if (cmd) - iscsit_release_cmd(cmd); + iscsit_free_cmd(cmd, false); ping_out: kfree(ping_data); return ret; @@ -2251,7 +2251,7 @@ iscsit_handle_logout_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, if (conn->conn_state != TARG_CONN_STATE_LOGGED_IN) { pr_err("Received logout request on connection that" " is not in logged in state, ignoring request.\n"); - iscsit_release_cmd(cmd); + iscsit_free_cmd(cmd, false); return 0; } @@ -3665,7 +3665,7 @@ iscsit_immediate_queue(struct iscsi_conn *conn, struct iscsi_cmd *cmd, int state list_del(&cmd->i_conn_node); spin_unlock_bh(&conn->cmd_lock); - iscsit_free_cmd(cmd); + iscsit_free_cmd(cmd, false); break; case ISTATE_SEND_NOPIN_WANT_RESPONSE: iscsit_mod_nopin_response_timer(conn); @@ -4122,7 +4122,7 @@ static void iscsit_release_commands_from_conn(struct iscsi_conn *conn) iscsit_increment_maxcmdsn(cmd, sess); - iscsit_free_cmd(cmd); + iscsit_free_cmd(cmd, true); spin_lock_bh(&conn->cmd_lock); } diff --git a/drivers/target/iscsi/iscsi_target_erl2.c b/drivers/target/iscsi/iscsi_target_erl2.c index ba6091bf93fc..45a5afd5ea13 100644 --- a/drivers/target/iscsi/iscsi_target_erl2.c +++ b/drivers/target/iscsi/iscsi_target_erl2.c @@ -143,7 +143,7 @@ void iscsit_free_connection_recovery_entires(struct iscsi_session *sess) list_del(&cmd->i_conn_node); cmd->conn = NULL; spin_unlock(&cr->conn_recovery_cmd_lock); - iscsit_free_cmd(cmd); + iscsit_free_cmd(cmd, true); spin_lock(&cr->conn_recovery_cmd_lock); } spin_unlock(&cr->conn_recovery_cmd_lock); @@ -165,7 +165,7 @@ void iscsit_free_connection_recovery_entires(struct iscsi_session *sess) list_del(&cmd->i_conn_node); cmd->conn = NULL; spin_unlock(&cr->conn_recovery_cmd_lock); - iscsit_free_cmd(cmd); + iscsit_free_cmd(cmd, true); spin_lock(&cr->conn_recovery_cmd_lock); } spin_unlock(&cr->conn_recovery_cmd_lock); @@ -248,7 +248,7 @@ void iscsit_discard_cr_cmds_by_expstatsn( iscsit_remove_cmd_from_connection_recovery(cmd, sess); spin_unlock(&cr->conn_recovery_cmd_lock); - iscsit_free_cmd(cmd); + iscsit_free_cmd(cmd, true); spin_lock(&cr->conn_recovery_cmd_lock); } spin_unlock(&cr->conn_recovery_cmd_lock); @@ -302,7 +302,7 @@ int iscsit_discard_unacknowledged_ooo_cmdsns_for_conn(struct iscsi_conn *conn) list_del(&cmd->i_conn_node); spin_unlock_bh(&conn->cmd_lock); - iscsit_free_cmd(cmd); + iscsit_free_cmd(cmd, true); spin_lock_bh(&conn->cmd_lock); } spin_unlock_bh(&conn->cmd_lock); @@ -355,7 +355,7 @@ int iscsit_prepare_cmds_for_realligance(struct iscsi_conn *conn) list_del(&cmd->i_conn_node); spin_unlock_bh(&conn->cmd_lock); - iscsit_free_cmd(cmd); + iscsit_free_cmd(cmd, true); spin_lock_bh(&conn->cmd_lock); continue; } @@ -375,7 +375,7 @@ int iscsit_prepare_cmds_for_realligance(struct iscsi_conn *conn) iscsi_sna_gte(cmd->cmd_sn, conn->sess->exp_cmd_sn)) { list_del(&cmd->i_conn_node); spin_unlock_bh(&conn->cmd_lock); - iscsit_free_cmd(cmd); + iscsit_free_cmd(cmd, true); spin_lock_bh(&conn->cmd_lock); continue; } diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c index c2185fc31136..e38222191a33 100644 --- a/drivers/target/iscsi/iscsi_target_parameters.c +++ b/drivers/target/iscsi/iscsi_target_parameters.c @@ -758,9 +758,9 @@ static int iscsi_add_notunderstood_response( } INIT_LIST_HEAD(&extra_response->er_list); - strncpy(extra_response->key, key, strlen(key) + 1); - strncpy(extra_response->value, NOTUNDERSTOOD, - strlen(NOTUNDERSTOOD) + 1); + strlcpy(extra_response->key, key, sizeof(extra_response->key)); + strlcpy(extra_response->value, NOTUNDERSTOOD, + sizeof(extra_response->value)); list_add_tail(&extra_response->er_list, ¶m_list->extra_response_list); @@ -1629,8 +1629,6 @@ int iscsi_decode_text_input( if (phase & PHASE_SECURITY) { if (iscsi_check_for_auth_key(key) > 0) { - char *tmpptr = key + strlen(key); - *tmpptr = '='; kfree(tmpbuf); return 1; } diff --git a/drivers/target/iscsi/iscsi_target_parameters.h b/drivers/target/iscsi/iscsi_target_parameters.h index 915b06798505..a47046a752aa 100644 --- a/drivers/target/iscsi/iscsi_target_parameters.h +++ b/drivers/target/iscsi/iscsi_target_parameters.h @@ -1,8 +1,10 @@ #ifndef ISCSI_PARAMETERS_H #define ISCSI_PARAMETERS_H +#include <scsi/iscsi_proto.h> + struct iscsi_extra_response { - char key[64]; + char key[KEY_MAXLEN]; char value[32]; struct list_head er_list; } ____cacheline_aligned; diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c index 2cc6c9a3ffb8..08a3bacef0c5 100644 --- a/drivers/target/iscsi/iscsi_target_util.c +++ b/drivers/target/iscsi/iscsi_target_util.c @@ -676,40 +676,56 @@ void iscsit_free_queue_reqs_for_conn(struct iscsi_conn *conn) void iscsit_release_cmd(struct iscsi_cmd *cmd) { - struct iscsi_conn *conn = cmd->conn; - - iscsit_free_r2ts_from_list(cmd); - iscsit_free_all_datain_reqs(cmd); - kfree(cmd->buf_ptr); kfree(cmd->pdu_list); kfree(cmd->seq_list); kfree(cmd->tmr_req); kfree(cmd->iov_data); - if (conn) { + kmem_cache_free(lio_cmd_cache, cmd); +} + +static void __iscsit_free_cmd(struct iscsi_cmd *cmd, bool scsi_cmd, + bool check_queues) +{ + struct iscsi_conn *conn = cmd->conn; + + if (scsi_cmd) { + if (cmd->data_direction == DMA_TO_DEVICE) { + iscsit_stop_dataout_timer(cmd); + iscsit_free_r2ts_from_list(cmd); + } + if (cmd->data_direction == DMA_FROM_DEVICE) + iscsit_free_all_datain_reqs(cmd); + } + + if (conn && check_queues) { iscsit_remove_cmd_from_immediate_queue(cmd, conn); iscsit_remove_cmd_from_response_queue(cmd, conn); } - - kmem_cache_free(lio_cmd_cache, cmd); } -void iscsit_free_cmd(struct iscsi_cmd *cmd) +void iscsit_free_cmd(struct iscsi_cmd *cmd, bool shutdown) { + struct se_cmd *se_cmd = NULL; + int rc; /* * Determine if a struct se_cmd is associated with * this struct iscsi_cmd. */ switch (cmd->iscsi_opcode) { case ISCSI_OP_SCSI_CMD: - if (cmd->data_direction == DMA_TO_DEVICE) - iscsit_stop_dataout_timer(cmd); + se_cmd = &cmd->se_cmd; + __iscsit_free_cmd(cmd, true, shutdown); /* * Fallthrough */ case ISCSI_OP_SCSI_TMFUNC: - transport_generic_free_cmd(&cmd->se_cmd, 1); + rc = transport_generic_free_cmd(&cmd->se_cmd, 1); + if (!rc && shutdown && se_cmd && se_cmd->se_sess) { + __iscsit_free_cmd(cmd, true, shutdown); + target_put_sess_cmd(se_cmd->se_sess, se_cmd); + } break; case ISCSI_OP_REJECT: /* @@ -718,11 +734,19 @@ void iscsit_free_cmd(struct iscsi_cmd *cmd) * associated cmd->se_cmd needs to be released. */ if (cmd->se_cmd.se_tfo != NULL) { - transport_generic_free_cmd(&cmd->se_cmd, 1); + se_cmd = &cmd->se_cmd; + __iscsit_free_cmd(cmd, true, shutdown); + + rc = transport_generic_free_cmd(&cmd->se_cmd, 1); + if (!rc && shutdown && se_cmd->se_sess) { + __iscsit_free_cmd(cmd, true, shutdown); + target_put_sess_cmd(se_cmd->se_sess, se_cmd); + } break; } /* Fall-through */ default: + __iscsit_free_cmd(cmd, false, shutdown); cmd->release_cmd(cmd); break; } diff --git a/drivers/target/iscsi/iscsi_target_util.h b/drivers/target/iscsi/iscsi_target_util.h index 4f8e01a47081..a4422659d049 100644 --- a/drivers/target/iscsi/iscsi_target_util.h +++ b/drivers/target/iscsi/iscsi_target_util.h @@ -29,7 +29,7 @@ extern void iscsit_remove_cmd_from_tx_queues(struct iscsi_cmd *, struct iscsi_co extern bool iscsit_conn_all_queues_empty(struct iscsi_conn *); extern void iscsit_free_queue_reqs_for_conn(struct iscsi_conn *); extern void iscsit_release_cmd(struct iscsi_cmd *); -extern void iscsit_free_cmd(struct iscsi_cmd *); +extern void iscsit_free_cmd(struct iscsi_cmd *, bool); extern int iscsit_check_session_usage_count(struct iscsi_session *); extern void iscsit_dec_session_usage_count(struct iscsi_session *); extern void iscsit_inc_session_usage_count(struct iscsi_session *); diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c index 1b1d544e927a..b11890d85120 100644 --- a/drivers/target/target_core_file.c +++ b/drivers/target/target_core_file.c @@ -153,6 +153,7 @@ static int fd_configure_device(struct se_device *dev) struct request_queue *q = bdev_get_queue(inode->i_bdev); unsigned long long dev_size; + fd_dev->fd_block_size = bdev_logical_block_size(inode->i_bdev); /* * Determine the number of bytes from i_size_read() minus * one (1) logical sector from underlying struct block_device @@ -199,6 +200,7 @@ static int fd_configure_device(struct se_device *dev) goto fail; } + fd_dev->fd_block_size = FD_BLOCKSIZE; /* * Limit UNMAP emulation to 8k Number of LBAs (NoLB) */ @@ -217,9 +219,7 @@ static int fd_configure_device(struct se_device *dev) dev->dev_attrib.max_write_same_len = 0x1000; } - fd_dev->fd_block_size = dev->dev_attrib.hw_block_size; - - dev->dev_attrib.hw_block_size = FD_BLOCKSIZE; + dev->dev_attrib.hw_block_size = fd_dev->fd_block_size; dev->dev_attrib.hw_max_sectors = FD_MAX_SECTORS; dev->dev_attrib.hw_queue_depth = FD_MAX_DEVICE_QUEUE_DEPTH; @@ -694,11 +694,12 @@ static sector_t fd_get_blocks(struct se_device *dev) * to handle underlying block_device resize operations. */ if (S_ISBLK(i->i_mode)) - dev_size = (i_size_read(i) - fd_dev->fd_block_size); + dev_size = i_size_read(i); else dev_size = fd_dev->fd_dev_size; - return div_u64(dev_size, dev->dev_attrib.block_size); + return div_u64(dev_size - dev->dev_attrib.block_size, + dev->dev_attrib.block_size); } static struct sbc_ops fd_sbc_ops = { diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 4a793362309d..21e315874a54 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -65,7 +65,7 @@ static void transport_complete_task_attr(struct se_cmd *cmd); static void transport_handle_queue_full(struct se_cmd *cmd, struct se_device *dev); static int transport_generic_get_mem(struct se_cmd *cmd); -static void transport_put_cmd(struct se_cmd *cmd); +static int transport_put_cmd(struct se_cmd *cmd); static void target_complete_ok_work(struct work_struct *work); int init_se_kmem_caches(void) @@ -221,6 +221,7 @@ struct se_session *transport_init_session(void) INIT_LIST_HEAD(&se_sess->sess_list); INIT_LIST_HEAD(&se_sess->sess_acl_list); INIT_LIST_HEAD(&se_sess->sess_cmd_list); + INIT_LIST_HEAD(&se_sess->sess_wait_list); spin_lock_init(&se_sess->sess_cmd_lock); kref_init(&se_sess->sess_kref); @@ -1943,7 +1944,7 @@ static inline void transport_free_pages(struct se_cmd *cmd) * This routine unconditionally frees a command, and reference counting * or list removal must be done in the caller. */ -static void transport_release_cmd(struct se_cmd *cmd) +static int transport_release_cmd(struct se_cmd *cmd) { BUG_ON(!cmd->se_tfo); @@ -1955,11 +1956,11 @@ static void transport_release_cmd(struct se_cmd *cmd) * If this cmd has been setup with target_get_sess_cmd(), drop * the kref and call ->release_cmd() in kref callback. */ - if (cmd->check_release != 0) { - target_put_sess_cmd(cmd->se_sess, cmd); - return; - } + if (cmd->check_release != 0) + return target_put_sess_cmd(cmd->se_sess, cmd); + cmd->se_tfo->release_cmd(cmd); + return 1; } /** @@ -1968,7 +1969,7 @@ static void transport_release_cmd(struct se_cmd *cmd) * * This routine releases our reference to the command and frees it if possible. */ -static void transport_put_cmd(struct se_cmd *cmd) +static int transport_put_cmd(struct se_cmd *cmd) { unsigned long flags; @@ -1976,7 +1977,7 @@ static void transport_put_cmd(struct se_cmd *cmd) if (atomic_read(&cmd->t_fe_count) && !atomic_dec_and_test(&cmd->t_fe_count)) { spin_unlock_irqrestore(&cmd->t_state_lock, flags); - return; + return 0; } if (cmd->transport_state & CMD_T_DEV_ACTIVE) { @@ -1986,8 +1987,7 @@ static void transport_put_cmd(struct se_cmd *cmd) spin_unlock_irqrestore(&cmd->t_state_lock, flags); transport_free_pages(cmd); - transport_release_cmd(cmd); - return; + return transport_release_cmd(cmd); } void *transport_kmap_data_sg(struct se_cmd *cmd) @@ -2152,13 +2152,15 @@ static void transport_write_pending_qf(struct se_cmd *cmd) } } -void transport_generic_free_cmd(struct se_cmd *cmd, int wait_for_tasks) +int transport_generic_free_cmd(struct se_cmd *cmd, int wait_for_tasks) { + int ret = 0; + if (!(cmd->se_cmd_flags & SCF_SE_LUN_CMD)) { if (wait_for_tasks && (cmd->se_cmd_flags & SCF_SCSI_TMR_CDB)) transport_wait_for_tasks(cmd); - transport_release_cmd(cmd); + ret = transport_release_cmd(cmd); } else { if (wait_for_tasks) transport_wait_for_tasks(cmd); @@ -2166,8 +2168,9 @@ void transport_generic_free_cmd(struct se_cmd *cmd, int wait_for_tasks) if (cmd->se_lun) transport_lun_remove_cmd(cmd); - transport_put_cmd(cmd); + ret = transport_put_cmd(cmd); } + return ret; } EXPORT_SYMBOL(transport_generic_free_cmd); @@ -2250,11 +2253,14 @@ void target_sess_cmd_list_set_waiting(struct se_session *se_sess) unsigned long flags; spin_lock_irqsave(&se_sess->sess_cmd_lock, flags); - - WARN_ON(se_sess->sess_tearing_down); + if (se_sess->sess_tearing_down) { + spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); + return; + } se_sess->sess_tearing_down = 1; + list_splice_init(&se_sess->sess_cmd_list, &se_sess->sess_wait_list); - list_for_each_entry(se_cmd, &se_sess->sess_cmd_list, se_cmd_list) + list_for_each_entry(se_cmd, &se_sess->sess_wait_list, se_cmd_list) se_cmd->cmd_wait_set = 1; spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); @@ -2263,44 +2269,32 @@ EXPORT_SYMBOL(target_sess_cmd_list_set_waiting); /* target_wait_for_sess_cmds - Wait for outstanding descriptors * @se_sess: session to wait for active I/O - * @wait_for_tasks: Make extra transport_wait_for_tasks call */ -void target_wait_for_sess_cmds( - struct se_session *se_sess, - int wait_for_tasks) +void target_wait_for_sess_cmds(struct se_session *se_sess) { struct se_cmd *se_cmd, *tmp_cmd; - bool rc = false; + unsigned long flags; list_for_each_entry_safe(se_cmd, tmp_cmd, - &se_sess->sess_cmd_list, se_cmd_list) { + &se_sess->sess_wait_list, se_cmd_list) { list_del(&se_cmd->se_cmd_list); pr_debug("Waiting for se_cmd: %p t_state: %d, fabric state:" " %d\n", se_cmd, se_cmd->t_state, se_cmd->se_tfo->get_cmd_state(se_cmd)); - if (wait_for_tasks) { - pr_debug("Calling transport_wait_for_tasks se_cmd: %p t_state: %d," - " fabric state: %d\n", se_cmd, se_cmd->t_state, - se_cmd->se_tfo->get_cmd_state(se_cmd)); - - rc = transport_wait_for_tasks(se_cmd); - - pr_debug("After transport_wait_for_tasks se_cmd: %p t_state: %d," - " fabric state: %d\n", se_cmd, se_cmd->t_state, - se_cmd->se_tfo->get_cmd_state(se_cmd)); - } - - if (!rc) { - wait_for_completion(&se_cmd->cmd_wait_comp); - pr_debug("After cmd_wait_comp: se_cmd: %p t_state: %d" - " fabric state: %d\n", se_cmd, se_cmd->t_state, - se_cmd->se_tfo->get_cmd_state(se_cmd)); - } + wait_for_completion(&se_cmd->cmd_wait_comp); + pr_debug("After cmd_wait_comp: se_cmd: %p t_state: %d" + " fabric state: %d\n", se_cmd, se_cmd->t_state, + se_cmd->se_tfo->get_cmd_state(se_cmd)); se_cmd->se_tfo->release_cmd(se_cmd); } + + spin_lock_irqsave(&se_sess->sess_cmd_lock, flags); + WARN_ON(!list_empty(&se_sess->sess_cmd_list)); + spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); + } EXPORT_SYMBOL(target_wait_for_sess_cmds); diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index 30d4f7a783cd..f0b9f6b52b32 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -202,26 +202,6 @@ static int serial_omap_get_context_loss_count(struct uart_omap_port *up) return pdata->get_context_loss_count(up->dev); } -static void serial_omap_set_forceidle(struct uart_omap_port *up) -{ - struct omap_uart_port_info *pdata = up->dev->platform_data; - - if (!pdata || !pdata->set_forceidle) - return; - - pdata->set_forceidle(up->dev); -} - -static void serial_omap_set_noidle(struct uart_omap_port *up) -{ - struct omap_uart_port_info *pdata = up->dev->platform_data; - - if (!pdata || !pdata->set_noidle) - return; - - pdata->set_noidle(up->dev); -} - static void serial_omap_enable_wakeup(struct uart_omap_port *up, bool enable) { struct omap_uart_port_info *pdata = up->dev->platform_data; @@ -298,8 +278,6 @@ static void serial_omap_stop_tx(struct uart_port *port) serial_out(up, UART_IER, up->ier); } - serial_omap_set_forceidle(up); - pm_runtime_mark_last_busy(up->dev); pm_runtime_put_autosuspend(up->dev); } @@ -364,7 +342,6 @@ static void serial_omap_start_tx(struct uart_port *port) pm_runtime_get_sync(up->dev); serial_omap_enable_ier_thri(up); - serial_omap_set_noidle(up); pm_runtime_mark_last_busy(up->dev); pm_runtime_put_autosuspend(up->dev); } diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index d71d60f94fc1..2e937bdace6f 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -2199,7 +2199,7 @@ config FB_XILINX config FB_GOLDFISH tristate "Goldfish Framebuffer" - depends on FB + depends on FB && HAS_DMA select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT @@ -2453,6 +2453,23 @@ config FB_HYPERV help This framebuffer driver supports Microsoft Hyper-V Synthetic Video. +config FB_SIMPLE + bool "Simple framebuffer support" + depends on (FB = y) && OF + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + help + Say Y if you want support for a simple frame-buffer. + + This driver assumes that the display hardware has been initialized + before the kernel boots, and the kernel will simply render to the + pre-allocated frame buffer surface. + + Configuration re: surface address, size, and format must be provided + through device tree, or potentially plain old platform data in the + future. + source "drivers/video/omap/Kconfig" source "drivers/video/omap2/Kconfig" source "drivers/video/exynos/Kconfig" diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 7234e4a959e8..e8bae8dd4804 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -166,6 +166,7 @@ obj-$(CONFIG_FB_MX3) += mx3fb.o obj-$(CONFIG_FB_DA8XX) += da8xx-fb.o obj-$(CONFIG_FB_MXS) += mxsfb.o obj-$(CONFIG_FB_SSD1307) += ssd1307fb.o +obj-$(CONFIG_FB_SIMPLE) += simplefb.o # the test framebuffer is last obj-$(CONFIG_FB_VIRTUAL) += vfb.o diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index 540909de6247..effdb373b8db 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -223,8 +223,14 @@ static void init_backlight(struct atmel_lcdfb_info *sinfo) static void exit_backlight(struct atmel_lcdfb_info *sinfo) { - if (sinfo->backlight) - backlight_device_unregister(sinfo->backlight); + if (!sinfo->backlight) + return; + + if (sinfo->backlight->ops) { + sinfo->backlight->props.power = FB_BLANK_POWERDOWN; + sinfo->backlight->ops->update_status(sinfo->backlight); + } + backlight_device_unregister(sinfo->backlight); } #else @@ -461,8 +467,11 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, if (info->fix.smem_len) { unsigned int smem_len = (var->xres_virtual * var->yres_virtual * ((var->bits_per_pixel + 7) / 8)); - if (smem_len > info->fix.smem_len) + if (smem_len > info->fix.smem_len) { + dev_err(dev, "Frame buffer is too small (%u) for screen size (need at least %u)\n", + info->fix.smem_len, smem_len); return -EINVAL; + } } /* Saturate vertical and horizontal timings at maximum values */ diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c index 60cc6fee6548..c9c2252e3719 100644 --- a/drivers/video/omap2/dss/core.c +++ b/drivers/video/omap2/dss/core.c @@ -53,6 +53,8 @@ static char *def_disp_name; module_param_named(def_disp, def_disp_name, charp, 0); MODULE_PARM_DESC(def_disp, "default display name"); +static bool dss_initialized; + const char *omapdss_get_default_display_name(void) { return core.default_display_name; @@ -66,6 +68,12 @@ enum omapdss_version omapdss_get_version(void) } EXPORT_SYMBOL(omapdss_get_version); +bool omapdss_is_initialized(void) +{ + return dss_initialized; +} +EXPORT_SYMBOL(omapdss_is_initialized); + struct platform_device *dss_get_core_pdev(void) { return core.pdev; @@ -603,6 +611,8 @@ static int __init omap_dss_init(void) return r; } + dss_initialized = true; + return 0; } @@ -633,7 +643,15 @@ static int __init omap_dss_init(void) static int __init omap_dss_init2(void) { - return omap_dss_register_drivers(); + int r; + + r = omap_dss_register_drivers(); + if (r) + return r; + + dss_initialized = true; + + return 0; } core_initcall(omap_dss_init); diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c index c84bb8a4d0c4..856917b33616 100644 --- a/drivers/video/omap2/omapfb/omapfb-main.c +++ b/drivers/video/omap2/omapfb/omapfb-main.c @@ -2416,6 +2416,9 @@ static int omapfb_probe(struct platform_device *pdev) DBG("omapfb_probe\n"); + if (omapdss_is_initialized() == false) + return -EPROBE_DEFER; + if (pdev->num_resources != 0) { dev_err(&pdev->dev, "probed for an unknown device\n"); r = -ENODEV; diff --git a/drivers/video/ps3fb.c b/drivers/video/ps3fb.c index d9f08c653d62..dbfe2c18a434 100644 --- a/drivers/video/ps3fb.c +++ b/drivers/video/ps3fb.c @@ -710,7 +710,7 @@ static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma) r = vm_iomap_memory(vma, info->fix.smem_start, info->fix.smem_len); dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n", - info->fix.smem_start + vma->vm_pgoff << PAGE_SHIFT, + info->fix.smem_start + (vma->vm_pgoff << PAGE_SHIFT), vma->vm_start); return r; diff --git a/drivers/video/simplefb.c b/drivers/video/simplefb.c new file mode 100644 index 000000000000..e2e9e3e61b72 --- /dev/null +++ b/drivers/video/simplefb.c @@ -0,0 +1,234 @@ +/* + * Simplest possible simple frame-buffer driver, as a platform device + * + * Copyright (c) 2013, Stephen Warren + * + * Based on q40fb.c, which was: + * Copyright (C) 2001 Richard Zidlicky <rz@linux-m68k.org> + * + * Also based on offb.c, which was: + * Copyright (C) 1997 Geert Uytterhoeven + * Copyright (C) 1996 Paul Mackerras + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +#include <linux/errno.h> +#include <linux/fb.h> +#include <linux/io.h> +#include <linux/module.h> +#include <linux/platform_device.h> + +static struct fb_fix_screeninfo simplefb_fix = { + .id = "simple", + .type = FB_TYPE_PACKED_PIXELS, + .visual = FB_VISUAL_TRUECOLOR, + .accel = FB_ACCEL_NONE, +}; + +static struct fb_var_screeninfo simplefb_var = { + .height = -1, + .width = -1, + .activate = FB_ACTIVATE_NOW, + .vmode = FB_VMODE_NONINTERLACED, +}; + +static int simplefb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, + u_int transp, struct fb_info *info) +{ + u32 *pal = info->pseudo_palette; + u32 cr = red >> (16 - info->var.red.length); + u32 cg = green >> (16 - info->var.green.length); + u32 cb = blue >> (16 - info->var.blue.length); + u32 value; + + if (regno >= 16) + return -EINVAL; + + value = (cr << info->var.red.offset) | + (cg << info->var.green.offset) | + (cb << info->var.blue.offset); + if (info->var.transp.length > 0) { + u32 mask = (1 << info->var.transp.length) - 1; + mask <<= info->var.transp.offset; + value |= mask; + } + pal[regno] = value; + + return 0; +} + +static struct fb_ops simplefb_ops = { + .owner = THIS_MODULE, + .fb_setcolreg = simplefb_setcolreg, + .fb_fillrect = cfb_fillrect, + .fb_copyarea = cfb_copyarea, + .fb_imageblit = cfb_imageblit, +}; + +struct simplefb_format { + const char *name; + u32 bits_per_pixel; + struct fb_bitfield red; + struct fb_bitfield green; + struct fb_bitfield blue; + struct fb_bitfield transp; +}; + +static struct simplefb_format simplefb_formats[] = { + { "r5g6b5", 16, {11, 5}, {5, 6}, {0, 5}, {0, 0} }, +}; + +struct simplefb_params { + u32 width; + u32 height; + u32 stride; + struct simplefb_format *format; +}; + +static int simplefb_parse_dt(struct platform_device *pdev, + struct simplefb_params *params) +{ + struct device_node *np = pdev->dev.of_node; + int ret; + const char *format; + int i; + + ret = of_property_read_u32(np, "width", ¶ms->width); + if (ret) { + dev_err(&pdev->dev, "Can't parse width property\n"); + return ret; + } + + ret = of_property_read_u32(np, "height", ¶ms->height); + if (ret) { + dev_err(&pdev->dev, "Can't parse height property\n"); + return ret; + } + + ret = of_property_read_u32(np, "stride", ¶ms->stride); + if (ret) { + dev_err(&pdev->dev, "Can't parse stride property\n"); + return ret; + } + + ret = of_property_read_string(np, "format", &format); + if (ret) { + dev_err(&pdev->dev, "Can't parse format property\n"); + return ret; + } + params->format = NULL; + for (i = 0; i < ARRAY_SIZE(simplefb_formats); i++) { + if (strcmp(format, simplefb_formats[i].name)) + continue; + params->format = &simplefb_formats[i]; + break; + } + if (!params->format) { + dev_err(&pdev->dev, "Invalid format value\n"); + return -EINVAL; + } + + return 0; +} + +static int simplefb_probe(struct platform_device *pdev) +{ + int ret; + struct simplefb_params params; + struct fb_info *info; + struct resource *mem; + + if (fb_get_options("simplefb", NULL)) + return -ENODEV; + + ret = simplefb_parse_dt(pdev, ¶ms); + if (ret) + return ret; + + mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!mem) { + dev_err(&pdev->dev, "No memory resource\n"); + return -EINVAL; + } + + info = framebuffer_alloc(sizeof(u32) * 16, &pdev->dev); + if (!info) + return -ENOMEM; + platform_set_drvdata(pdev, info); + + info->fix = simplefb_fix; + info->fix.smem_start = mem->start; + info->fix.smem_len = resource_size(mem); + info->fix.line_length = params.stride; + + info->var = simplefb_var; + info->var.xres = params.width; + info->var.yres = params.height; + info->var.xres_virtual = params.width; + info->var.yres_virtual = params.height; + info->var.bits_per_pixel = params.format->bits_per_pixel; + info->var.red = params.format->red; + info->var.green = params.format->green; + info->var.blue = params.format->blue; + info->var.transp = params.format->transp; + + info->fbops = &simplefb_ops; + info->flags = FBINFO_DEFAULT; + info->screen_base = devm_ioremap(&pdev->dev, info->fix.smem_start, + info->fix.smem_len); + if (!info->screen_base) { + framebuffer_release(info); + return -ENODEV; + } + info->pseudo_palette = (void *)(info + 1); + + ret = register_framebuffer(info); + if (ret < 0) { + dev_err(&pdev->dev, "Unable to register simplefb: %d\n", ret); + framebuffer_release(info); + return ret; + } + + dev_info(&pdev->dev, "fb%d: simplefb registered!\n", info->node); + + return 0; +} + +static int simplefb_remove(struct platform_device *pdev) +{ + struct fb_info *info = platform_get_drvdata(pdev); + + unregister_framebuffer(info); + framebuffer_release(info); + + return 0; +} + +static const struct of_device_id simplefb_of_match[] = { + { .compatible = "simple-framebuffer", }, + { }, +}; +MODULE_DEVICE_TABLE(of, simplefb_of_match); + +static struct platform_driver simplefb_driver = { + .driver = { + .name = "simple-framebuffer", + .owner = THIS_MODULE, + .of_match_table = simplefb_of_match, + }, + .probe = simplefb_probe, + .remove = simplefb_remove, +}; +module_platform_driver(simplefb_driver); + +MODULE_AUTHOR("Stephen Warren <swarren@wwwdotorg.org>"); +MODULE_DESCRIPTION("Simple framebuffer driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/xen/tmem.c b/drivers/xen/tmem.c index 18e8bd8fa947..cc072c66c766 100644 --- a/drivers/xen/tmem.c +++ b/drivers/xen/tmem.c @@ -41,6 +41,8 @@ module_param(selfballooning, bool, S_IRUGO); #ifdef CONFIG_FRONTSWAP static bool frontswap __read_mostly = true; module_param(frontswap, bool, S_IRUGO); +#else /* CONFIG_FRONTSWAP */ +#define frontswap (0) #endif /* CONFIG_FRONTSWAP */ #ifdef CONFIG_XEN_SELFBALLOONING diff --git a/drivers/xen/xen-pciback/pci_stub.c b/drivers/xen/xen-pciback/pci_stub.c index a2278ba7fb27..4e8ba38aa0c9 100644 --- a/drivers/xen/xen-pciback/pci_stub.c +++ b/drivers/xen/xen-pciback/pci_stub.c @@ -106,7 +106,7 @@ static void pcistub_device_release(struct kref *kref) else pci_restore_state(dev); - if (pci_find_capability(dev, PCI_CAP_ID_MSIX)) { + if (dev->msix_cap) { struct physdev_pci_device ppdev = { .seg = pci_domain_nr(dev->bus), .bus = dev->bus->number, @@ -371,7 +371,7 @@ static int pcistub_init_device(struct pci_dev *dev) if (err) goto config_release; - if (pci_find_capability(dev, PCI_CAP_ID_MSIX)) { + if (dev->msix_cap) { struct physdev_pci_device ppdev = { .seg = pci_domain_nr(dev->bus), .bus = dev->bus->number, diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c index 61786be9138b..ec097d6f964d 100644 --- a/drivers/xen/xenbus/xenbus_client.c +++ b/drivers/xen/xenbus/xenbus_client.c @@ -534,7 +534,7 @@ static int xenbus_map_ring_valloc_hvm(struct xenbus_device *dev, err = xenbus_map_ring(dev, gnt_ref, &node->handle, addr); if (err) - goto out_err; + goto out_err_free_ballooned_pages; spin_lock(&xenbus_valloc_lock); list_add(&node->next, &xenbus_valloc_pages); @@ -543,8 +543,9 @@ static int xenbus_map_ring_valloc_hvm(struct xenbus_device *dev, *vaddr = addr; return 0; - out_err: + out_err_free_ballooned_pages: free_xenballooned_pages(1, &node->page); + out_err: kfree(node); return err; } diff --git a/drivers/xen/xenbus/xenbus_comms.h b/drivers/xen/xenbus/xenbus_comms.h index c8abd3b8a6c4..e74f9c1fbd80 100644 --- a/drivers/xen/xenbus/xenbus_comms.h +++ b/drivers/xen/xenbus/xenbus_comms.h @@ -45,6 +45,7 @@ int xb_wait_for_data_to_read(void); int xs_input_avail(void); extern struct xenstore_domain_interface *xen_store_interface; extern int xen_store_evtchn; +extern enum xenstore_init xen_store_domain_type; extern const struct file_operations xen_xenbus_fops; diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c index 3325884c693f..56cfaaa9d006 100644 --- a/drivers/xen/xenbus/xenbus_probe.c +++ b/drivers/xen/xenbus/xenbus_probe.c @@ -69,6 +69,9 @@ EXPORT_SYMBOL_GPL(xen_store_evtchn); struct xenstore_domain_interface *xen_store_interface; EXPORT_SYMBOL_GPL(xen_store_interface); +enum xenstore_init xen_store_domain_type; +EXPORT_SYMBOL_GPL(xen_store_domain_type); + static unsigned long xen_store_mfn; static BLOCKING_NOTIFIER_HEAD(xenstore_chain); @@ -719,17 +722,11 @@ static int __init xenstored_local_init(void) return err; } -enum xenstore_init { - UNKNOWN, - PV, - HVM, - LOCAL, -}; static int __init xenbus_init(void) { int err = 0; - enum xenstore_init usage = UNKNOWN; uint64_t v = 0; + xen_store_domain_type = XS_UNKNOWN; if (!xen_domain()) return -ENODEV; @@ -737,29 +734,29 @@ static int __init xenbus_init(void) xenbus_ring_ops_init(); if (xen_pv_domain()) - usage = PV; + xen_store_domain_type = XS_PV; if (xen_hvm_domain()) - usage = HVM; + xen_store_domain_type = XS_HVM; if (xen_hvm_domain() && xen_initial_domain()) - usage = LOCAL; + xen_store_domain_type = XS_LOCAL; if (xen_pv_domain() && !xen_start_info->store_evtchn) - usage = LOCAL; + xen_store_domain_type = XS_LOCAL; if (xen_pv_domain() && xen_start_info->store_evtchn) xenstored_ready = 1; - switch (usage) { - case LOCAL: + switch (xen_store_domain_type) { + case XS_LOCAL: err = xenstored_local_init(); if (err) goto out_error; xen_store_interface = mfn_to_virt(xen_store_mfn); break; - case PV: + case XS_PV: xen_store_evtchn = xen_start_info->store_evtchn; xen_store_mfn = xen_start_info->store_mfn; xen_store_interface = mfn_to_virt(xen_store_mfn); break; - case HVM: + case XS_HVM: err = hvm_get_parameter(HVM_PARAM_STORE_EVTCHN, &v); if (err) goto out_error; diff --git a/drivers/xen/xenbus/xenbus_probe.h b/drivers/xen/xenbus/xenbus_probe.h index bb4f92ed8730..146f857a36f8 100644 --- a/drivers/xen/xenbus/xenbus_probe.h +++ b/drivers/xen/xenbus/xenbus_probe.h @@ -47,6 +47,13 @@ struct xen_bus_type { struct bus_type bus; }; +enum xenstore_init { + XS_UNKNOWN, + XS_PV, + XS_HVM, + XS_LOCAL, +}; + extern struct device_attribute xenbus_dev_attrs[]; extern int xenbus_match(struct device *_dev, struct device_driver *_drv); diff --git a/drivers/xen/xenbus/xenbus_probe_frontend.c b/drivers/xen/xenbus/xenbus_probe_frontend.c index 3159a37d966d..a7e25073de19 100644 --- a/drivers/xen/xenbus/xenbus_probe_frontend.c +++ b/drivers/xen/xenbus/xenbus_probe_frontend.c @@ -29,6 +29,8 @@ #include "xenbus_probe.h" +static struct workqueue_struct *xenbus_frontend_wq; + /* device/<type>/<id> => <type>-<id> */ static int frontend_bus_id(char bus_id[XEN_BUS_ID_SIZE], const char *nodename) { @@ -89,9 +91,40 @@ static void backend_changed(struct xenbus_watch *watch, xenbus_otherend_changed(watch, vec, len, 1); } +static void xenbus_frontend_delayed_resume(struct work_struct *w) +{ + struct xenbus_device *xdev = container_of(w, struct xenbus_device, work); + + xenbus_dev_resume(&xdev->dev); +} + +static int xenbus_frontend_dev_resume(struct device *dev) +{ + /* + * If xenstored is running in this domain, we cannot access the backend + * state at the moment, so we need to defer xenbus_dev_resume + */ + if (xen_store_domain_type == XS_LOCAL) { + struct xenbus_device *xdev = to_xenbus_device(dev); + + if (!xenbus_frontend_wq) { + pr_err("%s: no workqueue to process delayed resume\n", + xdev->nodename); + return -EFAULT; + } + + INIT_WORK(&xdev->work, xenbus_frontend_delayed_resume); + queue_work(xenbus_frontend_wq, &xdev->work); + + return 0; + } + + return xenbus_dev_resume(dev); +} + static const struct dev_pm_ops xenbus_pm_ops = { .suspend = xenbus_dev_suspend, - .resume = xenbus_dev_resume, + .resume = xenbus_frontend_dev_resume, .freeze = xenbus_dev_suspend, .thaw = xenbus_dev_cancel, .restore = xenbus_dev_resume, @@ -440,6 +473,8 @@ static int __init xenbus_probe_frontend_init(void) register_xenstore_notifier(&xenstore_notifier); + xenbus_frontend_wq = create_workqueue("xenbus_frontend"); + return 0; } subsys_initcall(xenbus_probe_frontend_init); |
