diff options
Diffstat (limited to 'drivers/usb/host')
| -rw-r--r-- | drivers/usb/host/Kconfig | 106 | ||||
| -rw-r--r-- | drivers/usb/host/bcma-hcd.c | 5 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-q.c | 13 | ||||
| -rw-r--r-- | drivers/usb/host/fotg210-hcd.c | 8 | ||||
| -rw-r--r-- | drivers/usb/host/imx21-dbg.c | 2 | ||||
| -rw-r--r-- | drivers/usb/host/isp1362-hcd.c | 5 | ||||
| -rw-r--r-- | drivers/usb/host/ohci-at91.c | 8 | ||||
| -rw-r--r-- | drivers/usb/host/ohci-nxp.c | 2 | ||||
| -rw-r--r-- | drivers/usb/host/oxu210hp-hcd.c | 14 | ||||
| -rw-r--r-- | drivers/usb/host/pci-quirks.c | 2 | ||||
| -rw-r--r-- | drivers/usb/host/u132-hcd.c | 2 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-hub.c | 22 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-mem.c | 4 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-pci.c | 17 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 74 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-tegra.c | 126 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-trace.h | 26 | ||||
| -rw-r--r-- | drivers/usb/host/xhci.c | 12 | ||||
| -rw-r--r-- | drivers/usb/host/xhci.h | 30 |
19 files changed, 332 insertions, 146 deletions
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 79b2e79dddd0..8d730180db06 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -38,9 +38,9 @@ config USB_XHCI_DBGCAP before enabling this option. If unsure, say 'N'. config USB_XHCI_PCI - tristate - depends on USB_PCI - default y + tristate + depends on USB_PCI + default y config USB_XHCI_PLATFORM tristate "Generic xHCI driver for a platform device" @@ -220,12 +220,12 @@ config USB_EHCI_HCD_ORION Marvell PXA/MMP USB controller" for those. config USB_EHCI_HCD_SPEAR - tristate "Support for ST SPEAr on-chip EHCI USB controller" - depends on USB_EHCI_HCD && PLAT_SPEAR - default y - ---help--- - Enables support for the on-chip EHCI controller on - ST SPEAr chips. + tristate "Support for ST SPEAr on-chip EHCI USB controller" + depends on USB_EHCI_HCD && PLAT_SPEAR + default y + ---help--- + Enables support for the on-chip EHCI controller on + ST SPEAr chips. config USB_EHCI_HCD_STI tristate "Support for ST STiHxxx on-chip EHCI USB controller" @@ -237,21 +237,21 @@ config USB_EHCI_HCD_STI STMicroelectronics consumer electronics SoC's. config USB_EHCI_HCD_AT91 - tristate "Support for Atmel on-chip EHCI USB controller" - depends on USB_EHCI_HCD && ARCH_AT91 - default y - ---help--- - Enables support for the on-chip EHCI controller on - Atmel chips. + tristate "Support for Atmel on-chip EHCI USB controller" + depends on USB_EHCI_HCD && ARCH_AT91 + default y + ---help--- + Enables support for the on-chip EHCI controller on + Atmel chips. config USB_EHCI_TEGRA - tristate "NVIDIA Tegra HCD support" - depends on ARCH_TEGRA - select USB_EHCI_ROOT_HUB_TT - select USB_TEGRA_PHY - help - This driver enables support for the internal USB Host Controllers - found in NVIDIA Tegra SoCs. The controllers are EHCI compliant. + tristate "NVIDIA Tegra HCD support" + depends on ARCH_TEGRA + select USB_EHCI_ROOT_HUB_TT + select USB_TEGRA_PHY + help + This driver enables support for the internal USB Host Controllers + found in NVIDIA Tegra SoCs. The controllers are EHCI compliant. config USB_EHCI_HCD_PPC_OF bool "EHCI support for PPC USB controller on OF platform bus" @@ -269,10 +269,10 @@ config USB_EHCI_SH If you use the PCI EHCI controller, this option is not necessary. config USB_EHCI_EXYNOS - tristate "EHCI support for Samsung S5P/EXYNOS SoC Series" - depends on ARCH_S5PV210 || ARCH_EXYNOS - help - Enable support for the Samsung Exynos SOC's on-chip EHCI controller. + tristate "EHCI support for Samsung S5P/EXYNOS SoC Series" + depends on ARCH_S5PV210 || ARCH_EXYNOS + help + Enable support for the Samsung Exynos SOC's on-chip EHCI controller. config USB_EHCI_MV tristate "EHCI support for Marvell PXA/MMP USB controller" @@ -409,12 +409,12 @@ config USB_OHCI_HCD_OMAP1 Enables support for the OHCI controller on OMAP1/2 chips. config USB_OHCI_HCD_SPEAR - tristate "Support for ST SPEAr on-chip OHCI USB controller" - depends on USB_OHCI_HCD && PLAT_SPEAR - default y - ---help--- - Enables support for the on-chip OHCI controller on - ST SPEAr chips. + tristate "Support for ST SPEAr on-chip OHCI USB controller" + depends on USB_OHCI_HCD && PLAT_SPEAR + default y + ---help--- + Enables support for the on-chip OHCI controller on + ST SPEAr chips. config USB_OHCI_HCD_STI tristate "Support for ST STiHxxx on-chip OHCI USB controller" @@ -426,12 +426,12 @@ config USB_OHCI_HCD_STI STMicroelectronics consumer electronics SoC's. config USB_OHCI_HCD_S3C2410 - tristate "OHCI support for Samsung S3C24xx/S3C64xx SoC series" - depends on USB_OHCI_HCD && (ARCH_S3C24XX || ARCH_S3C64XX) - default y - ---help--- - Enables support for the on-chip OHCI controller on - S3C24xx/S3C64xx chips. + tristate "OHCI support for Samsung S3C24xx/S3C64xx SoC series" + depends on USB_OHCI_HCD && (ARCH_S3C24XX || ARCH_S3C64XX) + default y + ---help--- + Enables support for the on-chip OHCI controller on + S3C24xx/S3C64xx chips. config USB_OHCI_HCD_LPC32XX tristate "Support for LPC on-chip OHCI USB controller" @@ -440,8 +440,8 @@ config USB_OHCI_HCD_LPC32XX depends on USB_ISP1301 default y ---help--- - Enables support for the on-chip OHCI controller on - NXP chips. + Enables support for the on-chip OHCI controller on + NXP chips. config USB_OHCI_HCD_PXA27X tristate "Support for PXA27X/PXA3XX on-chip OHCI USB controller" @@ -456,8 +456,8 @@ config USB_OHCI_HCD_AT91 depends on USB_OHCI_HCD && ARCH_AT91 && OF default y ---help--- - Enables support for the on-chip OHCI controller on - Atmel chips. + Enables support for the on-chip OHCI controller on + Atmel chips. config USB_OHCI_HCD_OMAP3 tristate "OHCI support for OMAP3 and later chips" @@ -545,7 +545,7 @@ config USB_OHCI_EXYNOS tristate "OHCI support for Samsung S5P/EXYNOS SoC Series" depends on ARCH_S5PV210 || ARCH_EXYNOS help - Enable support for the Samsung Exynos SOC's on-chip OHCI controller. + Enable support for the Samsung Exynos SOC's on-chip OHCI controller. config USB_CNS3XXX_OHCI bool "Cavium CNS3XXX OHCI Module (DEPRECATED)" @@ -609,8 +609,8 @@ config USB_UHCI_PLATFORM default y if (ARCH_VT8500 || ARCH_ASPEED) config USB_UHCI_ASPEED - bool - default y if ARCH_ASPEED + bool + default y if ARCH_ASPEED config USB_FHCI_HCD tristate "Freescale QE USB Host Controller support" @@ -713,14 +713,14 @@ config USB_RENESAS_USBHS_HCD module will be called renesas-usbhs. config USB_IMX21_HCD - tristate "i.MX21 HCD support" - depends on ARM && ARCH_MXC - help - This driver enables support for the on-chip USB host in the - i.MX21 processor. - - To compile this driver as a module, choose M here: the - module will be called "imx21-hcd". + tristate "i.MX21 HCD support" + depends on ARM && ARCH_MXC + help + This driver enables support for the on-chip USB host in the + i.MX21 processor. + + To compile this driver as a module, choose M here: the + module will be called "imx21-hcd". config USB_HCD_BCMA tristate "BCMA usb host driver" diff --git a/drivers/usb/host/bcma-hcd.c b/drivers/usb/host/bcma-hcd.c index 2400a826397a..652fa29beb27 100644 --- a/drivers/usb/host/bcma-hcd.c +++ b/drivers/usb/host/bcma-hcd.c @@ -406,9 +406,12 @@ static int bcma_hcd_probe(struct bcma_device *core) return -ENOMEM; usb_dev->core = core; - if (core->dev.of_node) + if (core->dev.of_node) { usb_dev->gpio_desc = devm_gpiod_get(&core->dev, "vcc", GPIOD_OUT_HIGH); + if (IS_ERR(usb_dev->gpio_desc)) + return PTR_ERR(usb_dev->gpio_desc); + } switch (core->id.id) { case BCMA_CORE_USB20_HOST: diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c index aa2f77f1506d..8a5c9b3ebe1e 100644 --- a/drivers/usb/host/ehci-q.c +++ b/drivers/usb/host/ehci-q.c @@ -27,6 +27,10 @@ /*-------------------------------------------------------------------------*/ +/* PID Codes that are used here, from EHCI specification, Table 3-16. */ +#define PID_CODE_IN 1 +#define PID_CODE_SETUP 2 + /* fill a qtd, returning how much of the buffer we were able to queue up */ static int @@ -190,7 +194,7 @@ static int qtd_copy_status ( int status = -EINPROGRESS; /* count IN/OUT bytes, not SETUP (even short packets) */ - if (likely (QTD_PID (token) != 2)) + if (likely(QTD_PID(token) != PID_CODE_SETUP)) urb->actual_length += length - QTD_LENGTH (token); /* don't modify error codes */ @@ -206,6 +210,13 @@ static int qtd_copy_status ( if (token & QTD_STS_BABBLE) { /* FIXME "must" disable babbling device's port too */ status = -EOVERFLOW; + /* + * When MMF is active and PID Code is IN, queue is halted. + * EHCI Specification, Table 4-13. + */ + } else if ((token & QTD_STS_MMF) && + (QTD_PID(token) == PID_CODE_IN)) { + status = -EPROTO; /* CERR nonzero + halt --> stall */ } else if (QTD_CERR(token)) { status = -EPIPE; diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c index 9e0c98d6bdb0..f967adf2d8df 100644 --- a/drivers/usb/host/fotg210-hcd.c +++ b/drivers/usb/host/fotg210-hcd.c @@ -5646,8 +5646,10 @@ static int fotg210_hcd_probe(struct platform_device *pdev) return retval; failed_dis_clk: - if (!IS_ERR(fotg210->pclk)) + if (!IS_ERR(fotg210->pclk)) { clk_disable_unprepare(fotg210->pclk); + clk_put(fotg210->pclk); + } failed_put_hcd: usb_put_hcd(hcd); fail_create_hcd: @@ -5665,8 +5667,10 @@ static int fotg210_hcd_remove(struct platform_device *pdev) struct usb_hcd *hcd = platform_get_drvdata(pdev); struct fotg210_hcd *fotg210 = hcd_to_fotg210(hcd); - if (!IS_ERR(fotg210->pclk)) + if (!IS_ERR(fotg210->pclk)) { clk_disable_unprepare(fotg210->pclk); + clk_put(fotg210->pclk); + } usb_remove_hcd(hcd); usb_put_hcd(hcd); diff --git a/drivers/usb/host/imx21-dbg.c b/drivers/usb/host/imx21-dbg.c index 7fcf1d9dd7f3..02a1344fbd6a 100644 --- a/drivers/usb/host/imx21-dbg.c +++ b/drivers/usb/host/imx21-dbg.c @@ -419,7 +419,7 @@ static void create_debug_files(struct imx21 *imx21) { struct dentry *root; - root = debugfs_create_dir(dev_name(imx21->dev), NULL); + root = debugfs_create_dir(dev_name(imx21->dev), usb_debug_root); imx21->debug_root = root; debugfs_create_file("status", S_IRUGO, root, imx21, &debug_status_fops); diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c index 96f8daa11f25..4a3a2852523f 100644 --- a/drivers/usb/host/isp1362-hcd.c +++ b/drivers/usb/host/isp1362-hcd.c @@ -2627,7 +2627,7 @@ static int isp1362_probe(struct platform_device *pdev) { struct usb_hcd *hcd; struct isp1362_hcd *isp1362_hcd; - struct resource *addr, *data, *irq_res; + struct resource *data, *irq_res; void __iomem *addr_reg; void __iomem *data_reg; int irq; @@ -2651,8 +2651,7 @@ static int isp1362_probe(struct platform_device *pdev) irq = irq_res->start; - addr = platform_get_resource(pdev, IORESOURCE_MEM, 1); - addr_reg = devm_ioremap_resource(&pdev->dev, addr); + addr_reg = devm_platform_ioremap_resource(pdev, 1); if (IS_ERR(addr_reg)) return PTR_ERR(addr_reg); diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index fc35a7993b7b..b635c6a1b1a9 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -115,7 +115,6 @@ static void at91_start_hc(struct platform_device *pdev) static void at91_stop_hc(struct platform_device *pdev) { struct usb_hcd *hcd = platform_get_drvdata(pdev); - struct ohci_regs __iomem *regs = hcd->regs; struct ohci_at91_priv *ohci_at91 = hcd_to_ohci_at91_priv(hcd); dev_dbg(&pdev->dev, "stop\n"); @@ -123,7 +122,7 @@ static void at91_stop_hc(struct platform_device *pdev) /* * Put the USB host controller into reset. */ - writel(0, ®s->control); + usb_hcd_platform_shutdown(pdev); /* * Stop the USB clocks. @@ -628,6 +627,7 @@ ohci_hcd_at91_drv_suspend(struct device *dev) /* flush the writes */ (void) ohci_readl (ohci, &ohci->regs->control); + msleep(1); at91_stop_clock(ohci_at91); } @@ -642,8 +642,8 @@ ohci_hcd_at91_drv_resume(struct device *dev) if (ohci_at91->wakeup) disable_irq_wake(hcd->irq); - - at91_start_clock(ohci_at91); + else + at91_start_clock(ohci_at91); ohci_resume(hcd, false); diff --git a/drivers/usb/host/ohci-nxp.c b/drivers/usb/host/ohci-nxp.c index c561881d0e79..85878e8ad331 100644 --- a/drivers/usb/host/ohci-nxp.c +++ b/drivers/usb/host/ohci-nxp.c @@ -150,7 +150,7 @@ static void ohci_nxp_stop_hc(void) static int ohci_hcd_nxp_probe(struct platform_device *pdev) { - struct usb_hcd *hcd = 0; + struct usb_hcd *hcd = NULL; const struct hc_driver *driver = &ohci_nxp_hc_driver; struct resource *res; int ret = 0, irq; diff --git a/drivers/usb/host/oxu210hp-hcd.c b/drivers/usb/host/oxu210hp-hcd.c index e67242e437ed..fe09b8626329 100644 --- a/drivers/usb/host/oxu210hp-hcd.c +++ b/drivers/usb/host/oxu210hp-hcd.c @@ -676,12 +676,12 @@ static int oxu_hub_control(struct usb_hcd *hcd, */ /* Low level read/write registers functions */ -static inline u32 oxu_readl(void *base, u32 reg) +static inline u32 oxu_readl(void __iomem *base, u32 reg) { return readl(base + reg); } -static inline void oxu_writel(void *base, u32 reg, u32 val) +static inline void oxu_writel(void __iomem *base, u32 reg, u32 val) { writel(val, base + reg); } @@ -4063,7 +4063,7 @@ static const struct hc_driver oxu_hc_driver = { * Module stuff */ -static void oxu_configuration(struct platform_device *pdev, void *base) +static void oxu_configuration(struct platform_device *pdev, void __iomem *base) { u32 tmp; @@ -4093,7 +4093,7 @@ static void oxu_configuration(struct platform_device *pdev, void *base) oxu_writel(base, OXU_CHIPIRQEN_SET, OXU_USBSPHLPWUI | OXU_USBOTGLPWUI); } -static int oxu_verify_id(struct platform_device *pdev, void *base) +static int oxu_verify_id(struct platform_device *pdev, void __iomem *base) { u32 id; static const char * const bo[] = { @@ -4121,7 +4121,7 @@ static int oxu_verify_id(struct platform_device *pdev, void *base) static const struct hc_driver oxu_hc_driver; static struct usb_hcd *oxu_create(struct platform_device *pdev, unsigned long memstart, unsigned long memlen, - void *base, int irq, int otg) + void __iomem *base, int irq, int otg) { struct device *dev = &pdev->dev; @@ -4158,7 +4158,7 @@ static struct usb_hcd *oxu_create(struct platform_device *pdev, static int oxu_init(struct platform_device *pdev, unsigned long memstart, unsigned long memlen, - void *base, int irq) + void __iomem *base, int irq) { struct oxu_info *info = platform_get_drvdata(pdev); struct usb_hcd *hcd; @@ -4207,7 +4207,7 @@ error_create_otg: static int oxu_drv_probe(struct platform_device *pdev) { struct resource *res; - void *base; + void __iomem *base; unsigned long memstart, memlen; int irq, ret; struct oxu_info *info; diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index f6d04491df60..6c7f0a876b96 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -728,7 +728,7 @@ static void quirk_usb_handoff_uhci(struct pci_dev *pdev) if (!pio_enabled(pdev)) return; - for (i = 0; i < PCI_ROM_RESOURCE; i++) + for (i = 0; i < PCI_STD_NUM_BARS; i++) if ((pci_resource_flags(pdev, i) & IORESOURCE_IO)) { base = pci_resource_start(pdev, i); break; diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index 4efee34f154f..e9209e3e6248 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -71,7 +71,7 @@ INT_MODULE_PARM(testing, 0); /* Some boards misreport power switching/overcurrent*/ static bool distrust_firmware = true; module_param(distrust_firmware, bool, 0); -MODULE_PARM_DESC(distrust_firmware, "true to distrust firmware power/overcurren" +MODULE_PARM_DESC(distrust_firmware, "true to distrust firmware power/overcurrent" "t setup"); static DECLARE_WAIT_QUEUE_HEAD(u132_hcd_wait); /* diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index b7d23c438756..7a3a29e5e9d2 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -806,7 +806,7 @@ static void xhci_del_comp_mod_timer(struct xhci_hcd *xhci, u32 status, static int xhci_handle_usb2_port_link_resume(struct xhci_port *port, u32 *status, u32 portsc, - unsigned long flags) + unsigned long *flags) { struct xhci_bus_state *bus_state; struct xhci_hcd *xhci; @@ -860,11 +860,11 @@ static int xhci_handle_usb2_port_link_resume(struct xhci_port *port, xhci_test_and_clear_bit(xhci, port, PORT_PLC); xhci_set_link_state(xhci, port, XDEV_U0); - spin_unlock_irqrestore(&xhci->lock, flags); + spin_unlock_irqrestore(&xhci->lock, *flags); time_left = wait_for_completion_timeout( &bus_state->rexit_done[wIndex], msecs_to_jiffies(XHCI_MAX_REXIT_TIMEOUT_MS)); - spin_lock_irqsave(&xhci->lock, flags); + spin_lock_irqsave(&xhci->lock, *flags); if (time_left) { slot_id = xhci_find_slot_id_by_port(hcd, xhci, @@ -920,11 +920,13 @@ static void xhci_get_usb3_port_status(struct xhci_port *port, u32 *status, { struct xhci_bus_state *bus_state; struct xhci_hcd *xhci; + struct usb_hcd *hcd; u32 link_state; u32 portnum; bus_state = &port->rhub->bus_state; xhci = hcd_to_xhci(port->rhub->hcd); + hcd = port->rhub->hcd; link_state = portsc & PORT_PLS_MASK; portnum = port->hcd_portnum; @@ -952,12 +954,20 @@ static void xhci_get_usb3_port_status(struct xhci_port *port, u32 *status, bus_state->suspended_ports &= ~(1 << portnum); } + /* remote wake resume signaling complete */ + if (bus_state->port_remote_wakeup & (1 << portnum) && + link_state != XDEV_RESUME && + link_state != XDEV_RECOVERY) { + bus_state->port_remote_wakeup &= ~(1 << portnum); + usb_hcd_end_port_resume(&hcd->self, portnum); + } + xhci_hub_report_usb3_link_state(xhci, status, portsc); xhci_del_comp_mod_timer(xhci, portsc, portnum); } static void xhci_get_usb2_port_status(struct xhci_port *port, u32 *status, - u32 portsc, unsigned long flags) + u32 portsc, unsigned long *flags) { struct xhci_bus_state *bus_state; u32 link_state; @@ -1007,7 +1017,7 @@ static void xhci_get_usb2_port_status(struct xhci_port *port, u32 *status, static u32 xhci_get_port_status(struct usb_hcd *hcd, struct xhci_bus_state *bus_state, u16 wIndex, u32 raw_port_status, - unsigned long flags) + unsigned long *flags) __releases(&xhci->lock) __acquires(&xhci->lock) { @@ -1130,7 +1140,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, } trace_xhci_get_port_status(wIndex, temp); status = xhci_get_port_status(hcd, bus_state, wIndex, temp, - flags); + &flags); if (status == 0xffffffff) goto error; diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index e16eda6e2b8b..3b1388fa2f36 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1909,13 +1909,17 @@ no_bw: xhci->usb3_rhub.num_ports = 0; xhci->num_active_eps = 0; kfree(xhci->usb2_rhub.ports); + kfree(xhci->usb2_rhub.psi); kfree(xhci->usb3_rhub.ports); + kfree(xhci->usb3_rhub.psi); kfree(xhci->hw_ports); kfree(xhci->rh_bw); kfree(xhci->ext_caps); xhci->usb2_rhub.ports = NULL; + xhci->usb2_rhub.psi = NULL; xhci->usb3_rhub.ports = NULL; + xhci->usb3_rhub.psi = NULL; xhci->hw_ports = NULL; xhci->rh_bw = NULL; xhci->ext_caps = NULL; diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 1e0236e90687..4917c5b033fa 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -48,6 +48,7 @@ #define PCI_DEVICE_ID_INTEL_TITAN_RIDGE_2C_XHCI 0x15e9 #define PCI_DEVICE_ID_INTEL_TITAN_RIDGE_4C_XHCI 0x15ec #define PCI_DEVICE_ID_INTEL_TITAN_RIDGE_DD_XHCI 0x15f0 +#define PCI_DEVICE_ID_INTEL_ICE_LAKE_XHCI 0x8a13 #define PCI_DEVICE_ID_AMD_PROMONTORYA_4 0x43b9 #define PCI_DEVICE_ID_AMD_PROMONTORYA_3 0x43ba @@ -212,7 +213,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) pdev->device == PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_C_4C_XHCI || pdev->device == PCI_DEVICE_ID_INTEL_TITAN_RIDGE_2C_XHCI || pdev->device == PCI_DEVICE_ID_INTEL_TITAN_RIDGE_4C_XHCI || - pdev->device == PCI_DEVICE_ID_INTEL_TITAN_RIDGE_DD_XHCI)) + pdev->device == PCI_DEVICE_ID_INTEL_TITAN_RIDGE_DD_XHCI || + pdev->device == PCI_DEVICE_ID_INTEL_ICE_LAKE_XHCI)) xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW; if (pdev->vendor == PCI_VENDOR_ID_ETRON && @@ -517,6 +519,18 @@ static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated) retval = xhci_resume(xhci, hibernated); return retval; } + +static void xhci_pci_shutdown(struct usb_hcd *hcd) +{ + struct xhci_hcd *xhci = hcd_to_xhci(hcd); + struct pci_dev *pdev = to_pci_dev(hcd->self.controller); + + xhci_shutdown(hcd); + + /* Yet another workaround for spurious wakeups at shutdown with HSW */ + if (xhci->quirks & XHCI_SPURIOUS_WAKEUP) + pci_set_power_state(pdev, PCI_D3hot); +} #endif /* CONFIG_PM */ /*-------------------------------------------------------------------------*/ @@ -554,6 +568,7 @@ static int __init xhci_pci_init(void) #ifdef CONFIG_PM xhci_pci_hc_driver.pci_suspend = xhci_pci_suspend; xhci_pci_hc_driver.pci_resume = xhci_pci_resume; + xhci_pci_hc_driver.shutdown = xhci_pci_shutdown; #endif return pci_register_driver(&xhci_pci_driver); } diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index e7aab31fd9a5..d23f7408c81f 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -280,6 +280,9 @@ void xhci_ring_cmd_db(struct xhci_hcd *xhci) return; xhci_dbg(xhci, "// Ding dong!\n"); + + trace_xhci_ring_host_doorbell(0, DB_VALUE_HOST); + writel(DB_VALUE_HOST, &xhci->dba->doorbell[0]); /* Flush PCI posted writes */ readl(&xhci->dba->doorbell[0]); @@ -401,6 +404,9 @@ void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, if ((ep_state & EP_STOP_CMD_PENDING) || (ep_state & SET_DEQ_PENDING) || (ep_state & EP_HALTED) || (ep_state & EP_CLEARING_TT)) return; + + trace_xhci_ring_ep_doorbell(slot_id, DB_VALUE(ep_index, stream_id)); + writel(DB_VALUE(ep_index, stream_id), db_addr); /* The CPU has better things to do at this point than wait for a * write-posting flush. It'll get there soon enough. @@ -651,10 +657,8 @@ static void xhci_giveback_urb_in_irq(struct xhci_hcd *xhci, } xhci_urb_free_priv(urb_priv); usb_hcd_unlink_urb_from_ep(hcd, urb); - spin_unlock(&xhci->lock); trace_xhci_urb_giveback(urb); usb_hcd_giveback_urb(hcd, urb, status); - spin_lock(&xhci->lock); } static void xhci_unmap_td_bounce_buffer(struct xhci_hcd *xhci, @@ -1624,7 +1628,6 @@ static void handle_port_status(struct xhci_hcd *xhci, slot_id = xhci_find_slot_id_by_port(hcd, xhci, hcd_portnum + 1); if (slot_id && xhci->devs[slot_id]) xhci->devs[slot_id]->flags |= VDEV_PORT_ERROR; - bus_state->port_remote_wakeup &= ~(1 << hcd_portnum); } if ((portsc & PORT_PLC) && (portsc & PORT_PLS_MASK) == XDEV_RESUME) { @@ -1644,6 +1647,7 @@ static void handle_port_status(struct xhci_hcd *xhci, */ bus_state->port_remote_wakeup |= 1 << hcd_portnum; xhci_test_and_clear_bit(xhci, port, PORT_PLC); + usb_hcd_start_port_resume(&hcd->self, hcd_portnum); xhci_set_link_state(xhci, port, XDEV_U0); /* Need to wait until the next link state change * indicates the device is actually in U0. @@ -1684,7 +1688,6 @@ static void handle_port_status(struct xhci_hcd *xhci, if (slot_id && xhci->devs[slot_id]) xhci_ring_device(xhci, slot_id); if (bus_state->port_remote_wakeup & (1 << hcd_portnum)) { - bus_state->port_remote_wakeup &= ~(1 << hcd_portnum); xhci_test_and_clear_bit(xhci, port, PORT_PLC); usb_wakeup_notification(hcd->self.root_hub, hcd_portnum + 1); @@ -2378,7 +2381,8 @@ static int handle_tx_event(struct xhci_hcd *xhci, case COMP_SUCCESS: if (EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)) == 0) break; - if (xhci->quirks & XHCI_TRUST_TX_LENGTH) + if (xhci->quirks & XHCI_TRUST_TX_LENGTH || + ep_ring->last_td_was_short) trb_comp_code = COMP_SHORT_PACKET; else xhci_warn_ratelimited(xhci, @@ -2741,6 +2745,42 @@ static int xhci_handle_event(struct xhci_hcd *xhci) } /* + * Update Event Ring Dequeue Pointer: + * - When all events have finished + * - To avoid "Event Ring Full Error" condition + */ +static void xhci_update_erst_dequeue(struct xhci_hcd *xhci, + union xhci_trb *event_ring_deq) +{ + u64 temp_64; + dma_addr_t deq; + + temp_64 = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue); + /* If necessary, update the HW's version of the event ring deq ptr. */ + if (event_ring_deq != xhci->event_ring->dequeue) { + deq = xhci_trb_virt_to_dma(xhci->event_ring->deq_seg, + xhci->event_ring->dequeue); + if (deq == 0) + xhci_warn(xhci, "WARN something wrong with SW event ring dequeue ptr\n"); + /* + * Per 4.9.4, Software writes to the ERDP register shall + * always advance the Event Ring Dequeue Pointer value. + */ + if ((temp_64 & (u64) ~ERST_PTR_MASK) == + ((u64) deq & (u64) ~ERST_PTR_MASK)) + return; + + /* Update HC event ring dequeue pointer */ + temp_64 &= ERST_PTR_MASK; + temp_64 |= ((u64) deq & (u64) ~ERST_PTR_MASK); + } + + /* Clear the event handler busy flag (RW1C) */ + temp_64 |= ERST_EHB; + xhci_write_64(xhci, temp_64, &xhci->ir_set->erst_dequeue); +} + +/* * xHCI spec says we can get an interrupt, and if the HC has an error condition, * we might get bad data out of the event ring. Section 4.10.2.7 has a list of * indicators of an event TRB error, but we check the status *first* to be safe. @@ -2751,9 +2791,9 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd) union xhci_trb *event_ring_deq; irqreturn_t ret = IRQ_NONE; unsigned long flags; - dma_addr_t deq; u64 temp_64; u32 status; + int event_loop = 0; spin_lock_irqsave(&xhci->lock, flags); /* Check if the xHC generated the interrupt, or the irq is shared */ @@ -2807,24 +2847,14 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd) /* FIXME this should be a delayed service routine * that clears the EHB. */ - while (xhci_handle_event(xhci) > 0) {} - - temp_64 = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue); - /* If necessary, update the HW's version of the event ring deq ptr. */ - if (event_ring_deq != xhci->event_ring->dequeue) { - deq = xhci_trb_virt_to_dma(xhci->event_ring->deq_seg, - xhci->event_ring->dequeue); - if (deq == 0) - xhci_warn(xhci, "WARN something wrong with SW event " - "ring dequeue ptr.\n"); - /* Update HC event ring dequeue pointer */ - temp_64 &= ERST_PTR_MASK; - temp_64 |= ((u64) deq & (u64) ~ERST_PTR_MASK); + while (xhci_handle_event(xhci) > 0) { + if (event_loop++ < TRBS_PER_SEGMENT / 2) + continue; + xhci_update_erst_dequeue(xhci, event_ring_deq); + event_loop = 0; } - /* Clear the event handler busy flag (RW1C); event ring is empty. */ - temp_64 |= ERST_EHB; - xhci_write_64(xhci, temp_64, &xhci->ir_set->erst_dequeue); + xhci_update_erst_dequeue(xhci, event_ring_deq); ret = IRQ_HANDLED; out: diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c index 2ff7c911fbd0..bf9065438320 100644 --- a/drivers/usb/host/xhci-tegra.c +++ b/drivers/usb/host/xhci-tegra.c @@ -42,19 +42,18 @@ #define XUSB_CFG_CSB_BASE_ADDR 0x800 /* FPCI mailbox registers */ -#define XUSB_CFG_ARU_MBOX_CMD 0x0e4 +/* XUSB_CFG_ARU_MBOX_CMD */ #define MBOX_DEST_FALC BIT(27) #define MBOX_DEST_PME BIT(28) #define MBOX_DEST_SMI BIT(29) #define MBOX_DEST_XHCI BIT(30) #define MBOX_INT_EN BIT(31) -#define XUSB_CFG_ARU_MBOX_DATA_IN 0x0e8 +/* XUSB_CFG_ARU_MBOX_DATA_IN and XUSB_CFG_ARU_MBOX_DATA_OUT */ #define CMD_DATA_SHIFT 0 #define CMD_DATA_MASK 0xffffff #define CMD_TYPE_SHIFT 24 #define CMD_TYPE_MASK 0xff -#define XUSB_CFG_ARU_MBOX_DATA_OUT 0x0ec -#define XUSB_CFG_ARU_MBOX_OWNER 0x0f0 +/* XUSB_CFG_ARU_MBOX_OWNER */ #define MBOX_OWNER_NONE 0 #define MBOX_OWNER_FW 1 #define MBOX_OWNER_SW 2 @@ -146,6 +145,13 @@ struct tegra_xusb_phy_type { unsigned int num; }; +struct tega_xusb_mbox_regs { + u16 cmd; + u16 data_in; + u16 data_out; + u16 owner; +}; + struct tegra_xusb_soc { const char *firmware; const char * const *supply_names; @@ -160,6 +166,8 @@ struct tegra_xusb_soc { } usb2, ulpi, hsic, usb3; } ports; + struct tega_xusb_mbox_regs mbox; + bool scale_ss_clock; bool has_ipfs; }; @@ -395,15 +403,15 @@ static int tegra_xusb_mbox_send(struct tegra_xusb *tegra, * ACK/NAK messages. */ if (!(msg->cmd == MBOX_CMD_ACK || msg->cmd == MBOX_CMD_NAK)) { - value = fpci_readl(tegra, XUSB_CFG_ARU_MBOX_OWNER); + value = fpci_readl(tegra, tegra->soc->mbox.owner); if (value != MBOX_OWNER_NONE) { dev_err(tegra->dev, "mailbox is busy\n"); return -EBUSY; } - fpci_writel(tegra, MBOX_OWNER_SW, XUSB_CFG_ARU_MBOX_OWNER); + fpci_writel(tegra, MBOX_OWNER_SW, tegra->soc->mbox.owner); - value = fpci_readl(tegra, XUSB_CFG_ARU_MBOX_OWNER); + value = fpci_readl(tegra, tegra->soc->mbox.owner); if (value != MBOX_OWNER_SW) { dev_err(tegra->dev, "failed to acquire mailbox\n"); return -EBUSY; @@ -413,17 +421,17 @@ static int tegra_xusb_mbox_send(struct tegra_xusb *tegra, } value = tegra_xusb_mbox_pack(msg); - fpci_writel(tegra, value, XUSB_CFG_ARU_MBOX_DATA_IN); + fpci_writel(tegra, value, tegra->soc->mbox.data_in); - value = fpci_readl(tegra, XUSB_CFG_ARU_MBOX_CMD); + value = fpci_readl(tegra, tegra->soc->mbox.cmd); value |= MBOX_INT_EN | MBOX_DEST_FALC; - fpci_writel(tegra, value, XUSB_CFG_ARU_MBOX_CMD); + fpci_writel(tegra, value, tegra->soc->mbox.cmd); if (wait_for_idle) { unsigned long timeout = jiffies + msecs_to_jiffies(250); while (time_before(jiffies, timeout)) { - value = fpci_readl(tegra, XUSB_CFG_ARU_MBOX_OWNER); + value = fpci_readl(tegra, tegra->soc->mbox.owner); if (value == MBOX_OWNER_NONE) break; @@ -431,7 +439,7 @@ static int tegra_xusb_mbox_send(struct tegra_xusb *tegra, } if (time_after(jiffies, timeout)) - value = fpci_readl(tegra, XUSB_CFG_ARU_MBOX_OWNER); + value = fpci_readl(tegra, tegra->soc->mbox.owner); if (value != MBOX_OWNER_NONE) return -ETIMEDOUT; @@ -598,16 +606,16 @@ static irqreturn_t tegra_xusb_mbox_thread(int irq, void *data) mutex_lock(&tegra->lock); - value = fpci_readl(tegra, XUSB_CFG_ARU_MBOX_DATA_OUT); + value = fpci_readl(tegra, tegra->soc->mbox.data_out); tegra_xusb_mbox_unpack(&msg, value); - value = fpci_readl(tegra, XUSB_CFG_ARU_MBOX_CMD); + value = fpci_readl(tegra, tegra->soc->mbox.cmd); value &= ~MBOX_DEST_SMI; - fpci_writel(tegra, value, XUSB_CFG_ARU_MBOX_CMD); + fpci_writel(tegra, value, tegra->soc->mbox.cmd); /* clear mailbox owner if no ACK/NAK is required */ if (!tegra_xusb_mbox_cmd_requires_ack(msg.cmd)) - fpci_writel(tegra, MBOX_OWNER_NONE, XUSB_CFG_ARU_MBOX_OWNER); + fpci_writel(tegra, MBOX_OWNER_NONE, tegra->soc->mbox.owner); tegra_xusb_mbox_handle(tegra, &msg); @@ -755,7 +763,6 @@ static int tegra_xusb_runtime_suspend(struct device *dev) { struct tegra_xusb *tegra = dev_get_drvdata(dev); - tegra_xusb_phy_disable(tegra); regulator_bulk_disable(tegra->soc->num_supplies, tegra->supplies); tegra_xusb_clk_disable(tegra); @@ -779,16 +786,8 @@ static int tegra_xusb_runtime_resume(struct device *dev) goto disable_clk; } - err = tegra_xusb_phy_enable(tegra); - if (err < 0) { - dev_err(dev, "failed to enable PHYs: %d\n", err); - goto disable_regulator; - } - return 0; -disable_regulator: - regulator_bulk_disable(tegra->soc->num_supplies, tegra->supplies); disable_clk: tegra_xusb_clk_disable(tegra); return err; @@ -970,7 +969,7 @@ static int tegra_xusb_powerdomain_init(struct device *dev, static int tegra_xusb_probe(struct platform_device *pdev) { struct tegra_xusb_mbox_msg msg; - struct resource *res, *regs; + struct resource *regs; struct tegra_xusb *tegra; struct xhci_hcd *xhci; unsigned int i, j, k; @@ -992,14 +991,12 @@ static int tegra_xusb_probe(struct platform_device *pdev) if (IS_ERR(tegra->regs)) return PTR_ERR(tegra->regs); - res = platform_get_resource(pdev, IORESOURCE_MEM, 1); - tegra->fpci_base = devm_ioremap_resource(&pdev->dev, res); + tegra->fpci_base = devm_platform_ioremap_resource(pdev, 1); if (IS_ERR(tegra->fpci_base)) return PTR_ERR(tegra->fpci_base); if (tegra->soc->has_ipfs) { - res = platform_get_resource(pdev, IORESOURCE_MEM, 2); - tegra->ipfs_base = devm_ioremap_resource(&pdev->dev, res); + tegra->ipfs_base = devm_platform_ioremap_resource(pdev, 2); if (IS_ERR(tegra->ipfs_base)) return PTR_ERR(tegra->ipfs_base); } @@ -1128,8 +1125,9 @@ static int tegra_xusb_probe(struct platform_device *pdev) goto put_powerdomains; } - for (i = 0; i < tegra->soc->num_supplies; i++) - tegra->supplies[i].supply = tegra->soc->supply_names[i]; + regulator_bulk_set_supply_names(tegra->supplies, + tegra->soc->supply_names, + tegra->soc->num_supplies); err = devm_regulator_bulk_get(&pdev->dev, tegra->soc->num_supplies, tegra->supplies); @@ -1181,6 +1179,12 @@ static int tegra_xusb_probe(struct platform_device *pdev) */ platform_set_drvdata(pdev, tegra); + err = tegra_xusb_phy_enable(tegra); + if (err < 0) { + dev_err(&pdev->dev, "failed to enable PHYs: %d\n", err); + goto put_hcd; + } + pm_runtime_enable(&pdev->dev); if (pm_runtime_enabled(&pdev->dev)) err = pm_runtime_get_sync(&pdev->dev); @@ -1189,7 +1193,7 @@ static int tegra_xusb_probe(struct platform_device *pdev) if (err < 0) { dev_err(&pdev->dev, "failed to enable device: %d\n", err); - goto disable_rpm; + goto disable_phy; } tegra_xusb_config(tegra, regs); @@ -1275,9 +1279,11 @@ remove_usb2: put_rpm: if (!pm_runtime_status_suspended(&pdev->dev)) tegra_xusb_runtime_suspend(&pdev->dev); -disable_rpm: - pm_runtime_disable(&pdev->dev); +put_hcd: usb_put_hcd(tegra->hcd); +disable_phy: + tegra_xusb_phy_disable(tegra); + pm_runtime_disable(&pdev->dev); put_powerdomains: if (!of_property_read_bool(pdev->dev.of_node, "power-domains")) { tegra_powergate_power_off(TEGRA_POWERGATE_XUSBC); @@ -1314,6 +1320,8 @@ static int tegra_xusb_remove(struct platform_device *pdev) tegra_xusb_powerdomain_remove(&pdev->dev, tegra); } + tegra_xusb_phy_disable(tegra); + tegra_xusb_padctl_put(tegra->padctl); return 0; @@ -1375,6 +1383,12 @@ static const struct tegra_xusb_soc tegra124_soc = { }, .scale_ss_clock = true, .has_ipfs = true, + .mbox = { + .cmd = 0xe4, + .data_in = 0xe8, + .data_out = 0xec, + .owner = 0xf0, + }, }; MODULE_FIRMWARE("nvidia/tegra124/xusb.bin"); @@ -1407,6 +1421,12 @@ static const struct tegra_xusb_soc tegra210_soc = { }, .scale_ss_clock = false, .has_ipfs = true, + .mbox = { + .cmd = 0xe4, + .data_in = 0xe8, + .data_out = 0xec, + .owner = 0xf0, + }, }; MODULE_FIRMWARE("nvidia/tegra210/xusb.bin"); @@ -1432,12 +1452,48 @@ static const struct tegra_xusb_soc tegra186_soc = { }, .scale_ss_clock = false, .has_ipfs = false, + .mbox = { + .cmd = 0xe4, + .data_in = 0xe8, + .data_out = 0xec, + .owner = 0xf0, + }, +}; + +static const char * const tegra194_supply_names[] = { +}; + +static const struct tegra_xusb_phy_type tegra194_phy_types[] = { + { .name = "usb3", .num = 4, }, + { .name = "usb2", .num = 4, }, +}; + +static const struct tegra_xusb_soc tegra194_soc = { + .firmware = "nvidia/tegra194/xusb.bin", + .supply_names = tegra194_supply_names, + .num_supplies = ARRAY_SIZE(tegra194_supply_names), + .phy_types = tegra194_phy_types, + .num_types = ARRAY_SIZE(tegra194_phy_types), + .ports = { + .usb3 = { .offset = 0, .count = 4, }, + .usb2 = { .offset = 4, .count = 4, }, + }, + .scale_ss_clock = false, + .has_ipfs = false, + .mbox = { + .cmd = 0x68, + .data_in = 0x6c, + .data_out = 0x70, + .owner = 0x74, + }, }; +MODULE_FIRMWARE("nvidia/tegra194/xusb.bin"); static const struct of_device_id tegra_xusb_of_match[] = { { .compatible = "nvidia,tegra124-xusb", .data = &tegra124_soc }, { .compatible = "nvidia,tegra210-xusb", .data = &tegra210_soc }, { .compatible = "nvidia,tegra186-xusb", .data = &tegra186_soc }, + { .compatible = "nvidia,tegra194-xusb", .data = &tegra194_soc }, { }, }; MODULE_DEVICE_TABLE(of, tegra_xusb_of_match); diff --git a/drivers/usb/host/xhci-trace.h b/drivers/usb/host/xhci-trace.h index 052a269d86f2..56eb867803a6 100644 --- a/drivers/usb/host/xhci-trace.h +++ b/drivers/usb/host/xhci-trace.h @@ -560,6 +560,32 @@ DEFINE_EVENT(xhci_log_portsc, xhci_hub_status_data, TP_ARGS(portnum, portsc) ); +DECLARE_EVENT_CLASS(xhci_log_doorbell, + TP_PROTO(u32 slot, u32 doorbell), + TP_ARGS(slot, doorbell), + TP_STRUCT__entry( + __field(u32, slot) + __field(u32, doorbell) + ), + TP_fast_assign( + __entry->slot = slot; + __entry->doorbell = doorbell; + ), + TP_printk("Ring doorbell for %s", + xhci_decode_doorbell(__entry->slot, __entry->doorbell) + ) +); + +DEFINE_EVENT(xhci_log_doorbell, xhci_ring_ep_doorbell, + TP_PROTO(u32 slot, u32 doorbell), + TP_ARGS(slot, doorbell) +); + +DEFINE_EVENT(xhci_log_doorbell, xhci_ring_host_doorbell, + TP_PROTO(u32 slot, u32 doorbell), + TP_ARGS(slot, doorbell) +); + DECLARE_EVENT_CLASS(xhci_dbc_log_request, TP_PROTO(struct dbc_request *req), TP_ARGS(req), diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 6c17e3fe181a..dbac0fa9748d 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -770,7 +770,7 @@ static void xhci_stop(struct usb_hcd *hcd) * * This will only ever be called with the main usb_hcd (the USB3 roothub). */ -static void xhci_shutdown(struct usb_hcd *hcd) +void xhci_shutdown(struct usb_hcd *hcd) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); @@ -789,11 +789,8 @@ static void xhci_shutdown(struct usb_hcd *hcd) xhci_dbg_trace(xhci, trace_xhci_dbg_init, "xhci_shutdown completed - status = %x", readl(&xhci->op_regs->status)); - - /* Yet another workaround for spurious wakeups at shutdown with HSW */ - if (xhci->quirks & XHCI_SPURIOUS_WAKEUP) - pci_set_power_state(to_pci_dev(hcd->self.sysdev), PCI_D3hot); } +EXPORT_SYMBOL_GPL(xhci_shutdown); #ifdef CONFIG_PM static void xhci_save_registers(struct xhci_hcd *xhci) @@ -973,7 +970,7 @@ static bool xhci_pending_portevent(struct xhci_hcd *xhci) int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup) { int rc = 0; - unsigned int delay = XHCI_MAX_HALT_USEC; + unsigned int delay = XHCI_MAX_HALT_USEC * 2; struct usb_hcd *hcd = xhci_to_hcd(xhci); u32 command; u32 res; @@ -5301,7 +5298,8 @@ static const struct hc_driver xhci_hc_driver = { * generic hardware linkage */ .irq = xhci_irq, - .flags = HCD_MEMORY | HCD_DMA | HCD_USB3 | HCD_SHARED, + .flags = HCD_MEMORY | HCD_DMA | HCD_USB3 | HCD_SHARED | + HCD_BH, /* * basic lifecycle operations diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index f9f88626a57a..13d8838cd552 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -2050,6 +2050,7 @@ int xhci_start(struct xhci_hcd *xhci); int xhci_reset(struct xhci_hcd *xhci); int xhci_run(struct usb_hcd *hcd); int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks); +void xhci_shutdown(struct usb_hcd *hcd); void xhci_init_driver(struct hc_driver *drv, const struct xhci_driver_overrides *over); int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id); @@ -2580,6 +2581,35 @@ static inline const char *xhci_decode_portsc(u32 portsc) return str; } +static inline const char *xhci_decode_doorbell(u32 slot, u32 doorbell) +{ + static char str[256]; + u8 ep; + u16 stream; + int ret; + + ep = (doorbell & 0xff); + stream = doorbell >> 16; + + if (slot == 0) { + sprintf(str, "Command Ring %d", doorbell); + return str; + } + ret = sprintf(str, "Slot %d ", slot); + if (ep > 0 && ep < 32) + ret = sprintf(str + ret, "ep%d%s", + ep / 2, + ep % 2 ? "in" : "out"); + else if (ep == 0 || ep < 248) + ret = sprintf(str + ret, "Reserved %d", ep); + else + ret = sprintf(str + ret, "Vendor Defined %d", ep); + if (stream) + ret = sprintf(str + ret, " Stream %d", stream); + + return str; +} + static inline const char *xhci_ep_state_string(u8 state) { switch (state) { |
