summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/char/tlclk.c87
-rw-r--r--drivers/fpga/altera-cvp.c15
-rw-r--r--drivers/fpga/dfl-fme-pr.c2
-rw-r--r--drivers/fpga/zynq-fpga.c4
-rw-r--r--drivers/hv/hv.c10
-rw-r--r--drivers/hv/hv_kvp.c2
-rw-r--r--drivers/hv/hv_util.c2
-rw-r--r--drivers/hv/hyperv_vmbus.h2
-rw-r--r--drivers/misc/Kconfig8
-rw-r--r--drivers/misc/Makefile1
-rw-r--r--drivers/misc/mei/client.c25
-rw-r--r--drivers/misc/mei/hbm.c4
-rw-r--r--drivers/misc/pvpanic.c192
-rw-r--r--drivers/platform/x86/Kconfig8
-rw-r--r--drivers/platform/x86/Makefile1
-rw-r--r--drivers/platform/x86/pvpanic.c124
-rw-r--r--drivers/uio/uio_fsl_elbc_gpcm.c6
-rw-r--r--drivers/virt/vboxguest/vboxguest_core.c2
18 files changed, 277 insertions, 218 deletions
diff --git a/drivers/char/tlclk.c b/drivers/char/tlclk.c
index 8eeb4190207d..6d81bb3bb503 100644
--- a/drivers/char/tlclk.c
+++ b/drivers/char/tlclk.c
@@ -506,28 +506,28 @@ static ssize_t store_select_amcb2_transmit_clock(struct device *d,
val = (unsigned char)tmp;
spin_lock_irqsave(&event_lock, flags);
- if ((val == CLK_8kHz) || (val == CLK_16_384MHz)) {
- SET_PORT_BITS(TLCLK_REG3, 0xc7, 0x28);
- SET_PORT_BITS(TLCLK_REG1, 0xfb, ~val);
- } else if (val >= CLK_8_592MHz) {
- SET_PORT_BITS(TLCLK_REG3, 0xc7, 0x38);
- switch (val) {
- case CLK_8_592MHz:
- SET_PORT_BITS(TLCLK_REG0, 0xfc, 2);
- break;
- case CLK_11_184MHz:
- SET_PORT_BITS(TLCLK_REG0, 0xfc, 0);
- break;
- case CLK_34_368MHz:
- SET_PORT_BITS(TLCLK_REG0, 0xfc, 3);
- break;
- case CLK_44_736MHz:
- SET_PORT_BITS(TLCLK_REG0, 0xfc, 1);
- break;
- }
- } else
- SET_PORT_BITS(TLCLK_REG3, 0xc7, val << 3);
-
+ if ((val == CLK_8kHz) || (val == CLK_16_384MHz)) {
+ SET_PORT_BITS(TLCLK_REG3, 0xc7, 0x28);
+ SET_PORT_BITS(TLCLK_REG1, 0xfb, ~val);
+ } else if (val >= CLK_8_592MHz) {
+ SET_PORT_BITS(TLCLK_REG3, 0xc7, 0x38);
+ switch (val) {
+ case CLK_8_592MHz:
+ SET_PORT_BITS(TLCLK_REG0, 0xfc, 2);
+ break;
+ case CLK_11_184MHz:
+ SET_PORT_BITS(TLCLK_REG0, 0xfc, 0);
+ break;
+ case CLK_34_368MHz:
+ SET_PORT_BITS(TLCLK_REG0, 0xfc, 3);
+ break;
+ case CLK_44_736MHz:
+ SET_PORT_BITS(TLCLK_REG0, 0xfc, 1);
+ break;
+ }
+ } else {
+ SET_PORT_BITS(TLCLK_REG3, 0xc7, val << 3);
+ }
spin_unlock_irqrestore(&event_lock, flags);
return strnlen(buf, count);
@@ -548,27 +548,28 @@ static ssize_t store_select_amcb1_transmit_clock(struct device *d,
val = (unsigned char)tmp;
spin_lock_irqsave(&event_lock, flags);
- if ((val == CLK_8kHz) || (val == CLK_16_384MHz)) {
- SET_PORT_BITS(TLCLK_REG3, 0xf8, 0x5);
- SET_PORT_BITS(TLCLK_REG1, 0xfb, ~val);
- } else if (val >= CLK_8_592MHz) {
- SET_PORT_BITS(TLCLK_REG3, 0xf8, 0x7);
- switch (val) {
- case CLK_8_592MHz:
- SET_PORT_BITS(TLCLK_REG0, 0xfc, 2);
- break;
- case CLK_11_184MHz:
- SET_PORT_BITS(TLCLK_REG0, 0xfc, 0);
- break;
- case CLK_34_368MHz:
- SET_PORT_BITS(TLCLK_REG0, 0xfc, 3);
- break;
- case CLK_44_736MHz:
- SET_PORT_BITS(TLCLK_REG0, 0xfc, 1);
- break;
- }
- } else
- SET_PORT_BITS(TLCLK_REG3, 0xf8, val);
+ if ((val == CLK_8kHz) || (val == CLK_16_384MHz)) {
+ SET_PORT_BITS(TLCLK_REG3, 0xf8, 0x5);
+ SET_PORT_BITS(TLCLK_REG1, 0xfb, ~val);
+ } else if (val >= CLK_8_592MHz) {
+ SET_PORT_BITS(TLCLK_REG3, 0xf8, 0x7);
+ switch (val) {
+ case CLK_8_592MHz:
+ SET_PORT_BITS(TLCLK_REG0, 0xfc, 2);
+ break;
+ case CLK_11_184MHz:
+ SET_PORT_BITS(TLCLK_REG0, 0xfc, 0);
+ break;
+ case CLK_34_368MHz:
+ SET_PORT_BITS(TLCLK_REG0, 0xfc, 3);
+ break;
+ case CLK_44_736MHz:
+ SET_PORT_BITS(TLCLK_REG0, 0xfc, 1);
+ break;
+ }
+ } else {
+ SET_PORT_BITS(TLCLK_REG3, 0xf8, val);
+ }
spin_unlock_irqrestore(&event_lock, flags);
return strnlen(buf, count);
diff --git a/drivers/fpga/altera-cvp.c b/drivers/fpga/altera-cvp.c
index 610a1558e0ed..73950851e404 100644
--- a/drivers/fpga/altera-cvp.c
+++ b/drivers/fpga/altera-cvp.c
@@ -403,6 +403,7 @@ static int altera_cvp_probe(struct pci_dev *pdev,
struct altera_cvp_conf *conf;
struct fpga_manager *mgr;
u16 cmd, val;
+ u32 regval;
int ret;
/*
@@ -416,6 +417,14 @@ static int altera_cvp_probe(struct pci_dev *pdev,
return -ENODEV;
}
+ pci_read_config_dword(pdev, VSE_CVP_STATUS, &regval);
+ if (!(regval & VSE_CVP_STATUS_CVP_EN)) {
+ dev_err(&pdev->dev,
+ "CVP is disabled for this device: CVP_STATUS Reg 0x%x\n",
+ regval);
+ return -ENODEV;
+ }
+
conf = devm_kzalloc(&pdev->dev, sizeof(*conf), GFP_KERNEL);
if (!conf)
return -ENOMEM;
@@ -477,7 +486,8 @@ static int altera_cvp_probe(struct pci_dev *pdev,
return 0;
err_unmap:
- pci_iounmap(pdev, conf->map);
+ if (conf->map)
+ pci_iounmap(pdev, conf->map);
pci_release_region(pdev, CVP_BAR);
err_disable:
cmd &= ~PCI_COMMAND_MEMORY;
@@ -493,7 +503,8 @@ static void altera_cvp_remove(struct pci_dev *pdev)
driver_remove_file(&altera_cvp_driver.driver, &driver_attr_chkcfg);
fpga_mgr_unregister(mgr);
- pci_iounmap(pdev, conf->map);
+ if (conf->map)
+ pci_iounmap(pdev, conf->map);
pci_release_region(pdev, CVP_BAR);
pci_read_config_word(pdev, PCI_COMMAND, &cmd);
cmd &= ~PCI_COMMAND_MEMORY;
diff --git a/drivers/fpga/dfl-fme-pr.c b/drivers/fpga/dfl-fme-pr.c
index 0b840531ef33..fe5a5578fbf7 100644
--- a/drivers/fpga/dfl-fme-pr.c
+++ b/drivers/fpga/dfl-fme-pr.c
@@ -444,10 +444,8 @@ static void pr_mgmt_uinit(struct platform_device *pdev,
struct dfl_feature *feature)
{
struct dfl_feature_platform_data *pdata = dev_get_platdata(&pdev->dev);
- struct dfl_fme *priv;
mutex_lock(&pdata->lock);
- priv = dfl_fpga_pdata_get_private(pdata);
dfl_fme_destroy_regions(pdata);
dfl_fme_destroy_bridges(pdata);
diff --git a/drivers/fpga/zynq-fpga.c b/drivers/fpga/zynq-fpga.c
index bb82efeebb9d..57b0e6775958 100644
--- a/drivers/fpga/zynq-fpga.c
+++ b/drivers/fpga/zynq-fpga.c
@@ -501,6 +501,10 @@ static int zynq_fpga_ops_write_complete(struct fpga_manager *mgr,
if (err)
return err;
+ /* Release 'PR' control back to the ICAP */
+ zynq_fpga_write(priv, CTRL_OFFSET,
+ zynq_fpga_read(priv, CTRL_OFFSET) & ~CTRL_PCAP_PR_MASK);
+
err = zynq_fpga_poll_timeout(priv, INT_STS_OFFSET, intr_status,
intr_status & IXR_PCFG_DONE_MASK,
INIT_POLL_DELAY,
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index 332d7c34be5c..166c2501de17 100644
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -33,9 +33,7 @@
#include "hyperv_vmbus.h"
/* The one and only */
-struct hv_context hv_context = {
- .synic_initialized = false,
-};
+struct hv_context hv_context;
/*
* If false, we're using the old mechanism for stimer0 interrupts
@@ -326,8 +324,6 @@ int hv_synic_init(unsigned int cpu)
hv_set_synic_state(sctrl.as_uint64);
- hv_context.synic_initialized = true;
-
/*
* Register the per-cpu clockevent source.
*/
@@ -373,7 +369,8 @@ int hv_synic_cleanup(unsigned int cpu)
bool channel_found = false;
unsigned long flags;
- if (!hv_context.synic_initialized)
+ hv_get_synic_state(sctrl.as_uint64);
+ if (sctrl.enable != 1)
return -EFAULT;
/*
@@ -435,7 +432,6 @@ int hv_synic_cleanup(unsigned int cpu)
hv_set_siefp(siefp.as_uint64);
/* Disable the global synic bit */
- hv_get_synic_state(sctrl.as_uint64);
sctrl.enable = 0;
hv_set_synic_state(sctrl.as_uint64);
diff --git a/drivers/hv/hv_kvp.c b/drivers/hv/hv_kvp.c
index d6106e1a0d4a..5054d1105236 100644
--- a/drivers/hv/hv_kvp.c
+++ b/drivers/hv/hv_kvp.c
@@ -437,7 +437,7 @@ kvp_send_key(struct work_struct *dummy)
val32 = in_msg->body.kvp_set.data.value_u32;
message->body.kvp_set.data.value_size =
sprintf(message->body.kvp_set.data.value,
- "%d", val32) + 1;
+ "%u", val32) + 1;
break;
case REG_U64:
diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c
index 423205077bf6..f10eeb120c8b 100644
--- a/drivers/hv/hv_util.c
+++ b/drivers/hv/hv_util.c
@@ -483,7 +483,7 @@ MODULE_DEVICE_TABLE(vmbus, id_table);
/* The one and only one */
static struct hv_driver util_drv = {
- .name = "hv_util",
+ .name = "hv_utils",
.id_table = id_table,
.probe = util_probe,
.remove = util_remove,
diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
index 72eaba3d50fc..f17c06a5e74b 100644
--- a/drivers/hv/hyperv_vmbus.h
+++ b/drivers/hv/hyperv_vmbus.h
@@ -230,8 +230,6 @@ struct hv_context {
void *tsc_page;
- bool synic_initialized;
-
struct hv_per_cpu_context __percpu *cpu_context;
/*
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 3726eacdf65d..642626ac1df1 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -513,6 +513,14 @@ config MISC_RTSX
tristate
default MISC_RTSX_PCI || MISC_RTSX_USB
+config PVPANIC
+ tristate "pvpanic device support"
+ depends on ACPI || OF
+ help
+ This driver provides support for the pvpanic device. pvpanic is
+ a paravirtualized device provided by QEMU; it lets a virtual machine
+ (guest) communicate panic events to the host.
+
source "drivers/misc/c2port/Kconfig"
source "drivers/misc/eeprom/Kconfig"
source "drivers/misc/cb710/Kconfig"
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index af22bbc3d00c..b76d611c87de 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -58,3 +58,4 @@ obj-$(CONFIG_ASPEED_LPC_SNOOP) += aspeed-lpc-snoop.o
obj-$(CONFIG_PCI_ENDPOINT_TEST) += pci_endpoint_test.o
obj-$(CONFIG_OCXL) += ocxl/
obj-$(CONFIG_MISC_RTSX) += cardreader/
+obj-$(CONFIG_PVPANIC) += pvpanic.o
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c
index ebdcf0b450e2..1fe9426ce48b 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -318,23 +318,6 @@ void mei_me_cl_rm_all(struct mei_device *dev)
}
/**
- * mei_cl_cmp_id - tells if the clients are the same
- *
- * @cl1: host client 1
- * @cl2: host client 2
- *
- * Return: true - if the clients has same host and me ids
- * false - otherwise
- */
-static inline bool mei_cl_cmp_id(const struct mei_cl *cl1,
- const struct mei_cl *cl2)
-{
- return cl1 && cl2 &&
- (cl1->host_client_id == cl2->host_client_id) &&
- (mei_cl_me_id(cl1) == mei_cl_me_id(cl2));
-}
-
-/**
* mei_io_cb_free - free mei_cb_private related memory
*
* @cb: mei callback struct
@@ -418,7 +401,7 @@ static void mei_io_list_flush_cl(struct list_head *head,
struct mei_cl_cb *cb, *next;
list_for_each_entry_safe(cb, next, head, list) {
- if (mei_cl_cmp_id(cl, cb->cl))
+ if (cl == cb->cl)
list_del_init(&cb->list);
}
}
@@ -435,7 +418,7 @@ static void mei_io_tx_list_free_cl(struct list_head *head,
struct mei_cl_cb *cb, *next;
list_for_each_entry_safe(cb, next, head, list) {
- if (mei_cl_cmp_id(cl, cb->cl))
+ if (cl == cb->cl)
mei_tx_cb_dequeue(cb);
}
}
@@ -1374,7 +1357,9 @@ int mei_cl_notify_request(struct mei_cl *cl,
mutex_unlock(&dev->device_lock);
wait_event_timeout(cl->wait,
- cl->notify_en == request || !mei_cl_is_connected(cl),
+ cl->notify_en == request ||
+ cl->status ||
+ !mei_cl_is_connected(cl),
mei_secs_to_jiffies(MEI_CL_CONNECT_TIMEOUT));
mutex_lock(&dev->device_lock);
diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c
index e56f3e72d57a..fe67381b34c3 100644
--- a/drivers/misc/mei/hbm.c
+++ b/drivers/misc/mei/hbm.c
@@ -1271,8 +1271,8 @@ int mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr)
break;
default:
- BUG();
- break;
+ WARN(1, "hbm: wrong command %d\n", mei_msg->hbm_cmd);
+ return -EPROTO;
}
return 0;
diff --git a/drivers/misc/pvpanic.c b/drivers/misc/pvpanic.c
new file mode 100644
index 000000000000..01241ec6a5cd
--- /dev/null
+++ b/drivers/misc/pvpanic.c
@@ -0,0 +1,192 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Pvpanic Device Support
+ *
+ * Copyright (C) 2013 Fujitsu.
+ * Copyright (C) 2018 ZTE.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/acpi.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+
+static void __iomem *base;
+
+#define PVPANIC_PANICKED (1 << 0)
+
+MODULE_AUTHOR("Hu Tao <hutao@cn.fujitsu.com>");
+MODULE_DESCRIPTION("pvpanic device driver");
+MODULE_LICENSE("GPL");
+
+static void
+pvpanic_send_event(unsigned int event)
+{
+ iowrite8(event, base);
+}
+
+static int
+pvpanic_panic_notify(struct notifier_block *nb, unsigned long code,
+ void *unused)
+{
+ pvpanic_send_event(PVPANIC_PANICKED);
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block pvpanic_panic_nb = {
+ .notifier_call = pvpanic_panic_notify,
+ .priority = 1, /* let this called before broken drm_fb_helper */
+};
+
+#ifdef CONFIG_ACPI
+static int pvpanic_add(struct acpi_device *device);
+static int pvpanic_remove(struct acpi_device *device);
+
+static const struct acpi_device_id pvpanic_device_ids[] = {
+ { "QEMU0001", 0 },
+ { "", 0 }
+};
+MODULE_DEVICE_TABLE(acpi, pvpanic_device_ids);
+
+static struct acpi_driver pvpanic_driver = {
+ .name = "pvpanic",
+ .class = "QEMU",
+ .ids = pvpanic_device_ids,
+ .ops = {
+ .add = pvpanic_add,
+ .remove = pvpanic_remove,
+ },
+ .owner = THIS_MODULE,
+};
+
+static acpi_status
+pvpanic_walk_resources(struct acpi_resource *res, void *context)
+{
+ struct resource r;
+
+ if (acpi_dev_resource_io(res, &r)) {
+ base = ioport_map(r.start, resource_size(&r));
+ return AE_OK;
+ } else if (acpi_dev_resource_memory(res, &r)) {
+ base = ioremap(r.start, resource_size(&r));
+ return AE_OK;
+ }
+
+ return AE_ERROR;
+}
+
+static int pvpanic_add(struct acpi_device *device)
+{
+ int ret;
+
+ ret = acpi_bus_get_status(device);
+ if (ret < 0)
+ return ret;
+
+ if (!device->status.enabled || !device->status.functional)
+ return -ENODEV;
+
+ acpi_walk_resources(device->handle, METHOD_NAME__CRS,
+ pvpanic_walk_resources, NULL);
+
+ if (!base)
+ return -ENODEV;
+
+ atomic_notifier_chain_register(&panic_notifier_list,
+ &pvpanic_panic_nb);
+
+ return 0;
+}
+
+static int pvpanic_remove(struct acpi_device *device)
+{
+
+ atomic_notifier_chain_unregister(&panic_notifier_list,
+ &pvpanic_panic_nb);
+ iounmap(base);
+
+ return 0;
+}
+
+static int pvpanic_register_acpi_driver(void)
+{
+ return acpi_bus_register_driver(&pvpanic_driver);
+}
+
+static void pvpanic_unregister_acpi_driver(void)
+{
+ acpi_bus_unregister_driver(&pvpanic_driver);
+}
+#else
+static int pvpanic_register_acpi_driver(void)
+{
+ return -ENODEV;
+}
+
+static void pvpanic_unregister_acpi_driver(void) {}
+#endif
+
+static int pvpanic_mmio_probe(struct platform_device *pdev)
+{
+ struct resource *mem;
+
+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!mem)
+ return -EINVAL;
+
+ base = devm_ioremap_resource(&pdev->dev, mem);
+ if (base == NULL)
+ return -EFAULT;
+
+ atomic_notifier_chain_register(&panic_notifier_list,
+ &pvpanic_panic_nb);
+
+ return 0;
+}
+
+static int pvpanic_mmio_remove(struct platform_device *pdev)
+{
+
+ atomic_notifier_chain_unregister(&panic_notifier_list,
+ &pvpanic_panic_nb);
+
+ return 0;
+}
+
+static const struct of_device_id pvpanic_mmio_match[] = {
+ { .compatible = "qemu,pvpanic-mmio", },
+ {}
+};
+
+static struct platform_driver pvpanic_mmio_driver = {
+ .driver = {
+ .name = "pvpanic-mmio",
+ .of_match_table = pvpanic_mmio_match,
+ },
+ .probe = pvpanic_mmio_probe,
+ .remove = pvpanic_mmio_remove,
+};
+
+static int __init pvpanic_mmio_init(void)
+{
+ if (acpi_disabled)
+ return platform_driver_register(&pvpanic_mmio_driver);
+ else
+ return pvpanic_register_acpi_driver();
+}
+
+static void __exit pvpanic_mmio_exit(void)
+{
+ if (acpi_disabled)
+ platform_driver_unregister(&pvpanic_mmio_driver);
+ else
+ pvpanic_unregister_acpi_driver();
+}
+
+module_init(pvpanic_mmio_init);
+module_exit(pvpanic_mmio_exit);
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 54f6a40c75c6..5d5ee4fa1e6e 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -1168,14 +1168,6 @@ config INTEL_SMARTCONNECT
This driver checks to determine whether the device has Intel Smart
Connect enabled, and if so disables it.
-config PVPANIC
- tristate "pvpanic device support"
- depends on ACPI
- ---help---
- This driver provides support for the pvpanic device. pvpanic is
- a paravirtualized device provided by QEMU; it lets a virtual machine
- (guest) communicate panic events to the host.
-
config INTEL_PMC_IPC
tristate "Intel PMC IPC Driver"
depends on ACPI
diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile
index 39ae94135406..d537d1753147 100644
--- a/drivers/platform/x86/Makefile
+++ b/drivers/platform/x86/Makefile
@@ -78,7 +78,6 @@ obj-$(CONFIG_APPLE_GMUX) += apple-gmux.o
obj-$(CONFIG_INTEL_RST) += intel-rst.o
obj-$(CONFIG_INTEL_SMARTCONNECT) += intel-smartconnect.o
-obj-$(CONFIG_PVPANIC) += pvpanic.o
obj-$(CONFIG_ALIENWARE_WMI) += alienware-wmi.o
obj-$(CONFIG_INTEL_PMC_IPC) += intel_pmc_ipc.o
obj-$(CONFIG_TOUCHSCREEN_DMI) += touchscreen_dmi.o
diff --git a/drivers/platform/x86/pvpanic.c b/drivers/platform/x86/pvpanic.c
deleted file mode 100644
index fd86daba7ffd..000000000000
--- a/drivers/platform/x86/pvpanic.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * pvpanic.c - pvpanic Device Support
- *
- * Copyright (C) 2013 Fujitsu.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/acpi.h>
-
-MODULE_AUTHOR("Hu Tao <hutao@cn.fujitsu.com>");
-MODULE_DESCRIPTION("pvpanic device driver");
-MODULE_LICENSE("GPL");
-
-static int pvpanic_add(struct acpi_device *device);
-static int pvpanic_remove(struct acpi_device *device);
-
-static const struct acpi_device_id pvpanic_device_ids[] = {
- { "QEMU0001", 0 },
- { "", 0 },
-};
-MODULE_DEVICE_TABLE(acpi, pvpanic_device_ids);
-
-#define PVPANIC_PANICKED (1 << 0)
-
-static u16 port;
-
-static struct acpi_driver pvpanic_driver = {
- .name = "pvpanic",
- .class = "QEMU",
- .ids = pvpanic_device_ids,
- .ops = {
- .add = pvpanic_add,
- .remove = pvpanic_remove,
- },
- .owner = THIS_MODULE,
-};
-
-static void
-pvpanic_send_event(unsigned int event)
-{
- outb(event, port);
-}
-
-static int
-pvpanic_panic_notify(struct notifier_block *nb, unsigned long code,
- void *unused)
-{
- pvpanic_send_event(PVPANIC_PANICKED);
- return NOTIFY_DONE;
-}
-
-static struct notifier_block pvpanic_panic_nb = {
- .notifier_call = pvpanic_panic_notify,
- .priority = 1, /* let this called before broken drm_fb_helper */
-};
-
-
-static acpi_status
-pvpanic_walk_resources(struct acpi_resource *res, void *context)
-{
- switch (res->type) {
- case ACPI_RESOURCE_TYPE_END_TAG:
- return AE_OK;
-
- case ACPI_RESOURCE_TYPE_IO:
- port = res->data.io.minimum;
- return AE_OK;
-
- default:
- return AE_ERROR;
- }
-}
-
-static int pvpanic_add(struct acpi_device *device)
-{
- int ret;
-
- ret = acpi_bus_get_status(device);
- if (ret < 0)
- return ret;
-
- if (!device->status.enabled || !device->status.functional)
- return -ENODEV;
-
- acpi_walk_resources(device->handle, METHOD_NAME__CRS,
- pvpanic_walk_resources, NULL);
-
- if (!port)
- return -ENODEV;
-
- atomic_notifier_chain_register(&panic_notifier_list,
- &pvpanic_panic_nb);
-
- return 0;
-}
-
-static int pvpanic_remove(struct acpi_device *device)
-{
-
- atomic_notifier_chain_unregister(&panic_notifier_list,
- &pvpanic_panic_nb);
- return 0;
-}
-
-module_acpi_driver(pvpanic_driver);
diff --git a/drivers/uio/uio_fsl_elbc_gpcm.c b/drivers/uio/uio_fsl_elbc_gpcm.c
index 9cc37fe07d35..0ee3cd3c25ee 100644
--- a/drivers/uio/uio_fsl_elbc_gpcm.c
+++ b/drivers/uio/uio_fsl_elbc_gpcm.c
@@ -74,8 +74,7 @@ DEVICE_ATTR(reg_or, S_IRUGO|S_IWUSR|S_IWGRP, reg_show, reg_store);
static ssize_t reg_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct uio_info *info = platform_get_drvdata(pdev);
+ struct uio_info *info = dev_get_drvdata(dev);
struct fsl_elbc_gpcm *priv = info->priv;
struct fsl_lbc_bank *bank = &priv->lbc->bank[priv->bank];
@@ -94,8 +93,7 @@ static ssize_t reg_show(struct device *dev, struct device_attribute *attr,
static ssize_t reg_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct uio_info *info = platform_get_drvdata(pdev);
+ struct uio_info *info = dev_get_drvdata(dev);
struct fsl_elbc_gpcm *priv = info->priv;
struct fsl_lbc_bank *bank = &priv->lbc->bank[priv->bank];
unsigned long val;
diff --git a/drivers/virt/vboxguest/vboxguest_core.c b/drivers/virt/vboxguest/vboxguest_core.c
index 3093655c7b92..1475ed5ffcde 100644
--- a/drivers/virt/vboxguest/vboxguest_core.c
+++ b/drivers/virt/vboxguest/vboxguest_core.c
@@ -1312,7 +1312,7 @@ static int vbg_ioctl_hgcm_call(struct vbg_dev *gdev,
return -EINVAL;
}
- if (f32bit)
+ if (IS_ENABLED(CONFIG_COMPAT) && f32bit)
ret = vbg_hgcm_call32(gdev, client_id,
call->function, call->timeout_ms,
VBG_IOCTL_HGCM_CALL_PARMS32(call),
OpenPOWER on IntegriCloud