diff options
Diffstat (limited to 'drivers/usb/host')
26 files changed, 103 insertions, 179 deletions
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 5ad60e46dc2b..197a6a3e613b 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -198,7 +198,7 @@ config USB_EHCI_HCD_AT91 config USB_EHCI_MSM tristate "Support for Qualcomm QSD/MSM on-chip EHCI USB controller" - depends on ARCH_MSM || ARCH_QCOM + depends on ARCH_QCOM select USB_EHCI_ROOT_HUB_TT ---help--- Enables support for the USB Host controller present on the diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c index 663f7908b15c..be0964a801e8 100644 --- a/drivers/usb/host/ehci-atmel.c +++ b/drivers/usb/host/ehci-atmel.c @@ -34,7 +34,6 @@ static const char hcd_name[] = "ehci-atmel"; struct atmel_ehci_priv { struct clk *iclk; - struct clk *fclk; struct clk *uclk; bool clocked; }; @@ -51,12 +50,9 @@ static void atmel_start_clock(struct atmel_ehci_priv *atmel_ehci) { if (atmel_ehci->clocked) return; - if (IS_ENABLED(CONFIG_COMMON_CLK)) { - clk_set_rate(atmel_ehci->uclk, 48000000); - clk_prepare_enable(atmel_ehci->uclk); - } + + clk_prepare_enable(atmel_ehci->uclk); clk_prepare_enable(atmel_ehci->iclk); - clk_prepare_enable(atmel_ehci->fclk); atmel_ehci->clocked = true; } @@ -64,10 +60,9 @@ static void atmel_stop_clock(struct atmel_ehci_priv *atmel_ehci) { if (!atmel_ehci->clocked) return; - clk_disable_unprepare(atmel_ehci->fclk); + clk_disable_unprepare(atmel_ehci->iclk); - if (IS_ENABLED(CONFIG_COMMON_CLK)) - clk_disable_unprepare(atmel_ehci->uclk); + clk_disable_unprepare(atmel_ehci->uclk); atmel_ehci->clocked = false; } @@ -146,20 +141,13 @@ static int ehci_atmel_drv_probe(struct platform_device *pdev) retval = -ENOENT; goto fail_request_resource; } - atmel_ehci->fclk = devm_clk_get(&pdev->dev, "uhpck"); - if (IS_ERR(atmel_ehci->fclk)) { - dev_err(&pdev->dev, "Error getting function clock\n"); - retval = -ENOENT; + + atmel_ehci->uclk = devm_clk_get(&pdev->dev, "usb_clk"); + if (IS_ERR(atmel_ehci->uclk)) { + dev_err(&pdev->dev, "failed to get uclk\n"); + retval = PTR_ERR(atmel_ehci->uclk); goto fail_request_resource; } - if (IS_ENABLED(CONFIG_COMMON_CLK)) { - atmel_ehci->uclk = devm_clk_get(&pdev->dev, "usb_clk"); - if (IS_ERR(atmel_ehci->uclk)) { - dev_err(&pdev->dev, "failed to get uclk\n"); - retval = PTR_ERR(atmel_ehci->uclk); - goto fail_request_resource; - } - } ehci = hcd_to_ehci(hcd); /* registers start at offset 0x0 */ diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 85e56d1abd23..f4d88dfb26a7 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -792,12 +792,12 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd) ehci->reset_done[i] == 0)) continue; - /* start 20 msec resume signaling from this port, - * and make hub_wq collect PORT_STAT_C_SUSPEND to - * stop that signaling. Use 5 ms extra for safety, - * like usb_port_resume() does. + /* start USB_RESUME_TIMEOUT msec resume signaling from + * this port, and make hub_wq collect + * PORT_STAT_C_SUSPEND to stop that signaling. */ - ehci->reset_done[i] = jiffies + msecs_to_jiffies(25); + ehci->reset_done[i] = jiffies + + msecs_to_jiffies(USB_RESUME_TIMEOUT); set_bit(i, &ehci->resuming_ports); ehci_dbg (ehci, "port %d remote wakeup\n", i + 1); usb_hcd_start_port_resume(&hcd->self, i); diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 87cf86f38b36..69208447d213 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -471,10 +471,13 @@ static int ehci_bus_resume (struct usb_hcd *hcd) ehci_writel(ehci, temp, &ehci->regs->port_status [i]); } - /* msleep for 20ms only if code is trying to resume port */ + /* + * msleep for USB_RESUME_TIMEOUT ms only if code is trying to resume + * port + */ if (resume_needed) { spin_unlock_irq(&ehci->lock); - msleep(20); + msleep(USB_RESUME_TIMEOUT); spin_lock_irq(&ehci->lock); if (ehci->shutdown) goto shutdown; @@ -688,7 +691,7 @@ ehci_hub_descriptor ( int ports = HCS_N_PORTS (ehci->hcs_params); u16 temp; - desc->bDescriptorType = 0x29; + desc->bDescriptorType = USB_DT_HUB; desc->bPwrOn2PwrGood = 10; /* ehci 1.0, 2.3.9 says 20ms max */ desc->bHubContrCurrent = 0; @@ -942,7 +945,7 @@ int ehci_hub_control( temp &= ~PORT_WAKE_BITS; ehci_writel(ehci, temp | PORT_RESUME, status_reg); ehci->reset_done[wIndex] = jiffies - + msecs_to_jiffies(20); + + msecs_to_jiffies(USB_RESUME_TIMEOUT); set_bit(wIndex, &ehci->resuming_ports); usb_hcd_start_port_resume(&hcd->self, wIndex); break; diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c index f6eafecab15c..bfcbb9aa8816 100644 --- a/drivers/usb/host/ehci-orion.c +++ b/drivers/usb/host/ehci-orion.c @@ -29,7 +29,13 @@ #define wrl(off, val) writel_relaxed((val), hcd->regs + (off)) #define USB_CMD 0x140 +#define USB_CMD_RUN BIT(0) +#define USB_CMD_RESET BIT(1) #define USB_MODE 0x1a8 +#define USB_MODE_MASK GENMASK(1, 0) +#define USB_MODE_DEVICE 0x2 +#define USB_MODE_HOST 0x3 +#define USB_MODE_SDIS BIT(4) #define USB_CAUSE 0x310 #define USB_MASK 0x314 #define USB_WINDOW_CTRL(i) (0x320 + ((i) << 4)) @@ -69,8 +75,8 @@ static void orion_usb_phy_v1_setup(struct usb_hcd *hcd) /* * Reset controller */ - wrl(USB_CMD, rdl(USB_CMD) | 0x2); - while (rdl(USB_CMD) & 0x2); + wrl(USB_CMD, rdl(USB_CMD) | USB_CMD_RESET); + while (rdl(USB_CMD) & USB_CMD_RESET); /* * GL# USB-10: Set IPG for non start of frame packets @@ -112,16 +118,16 @@ static void orion_usb_phy_v1_setup(struct usb_hcd *hcd) /* * Stop and reset controller */ - wrl(USB_CMD, rdl(USB_CMD) & ~0x1); - wrl(USB_CMD, rdl(USB_CMD) | 0x2); - while (rdl(USB_CMD) & 0x2); + wrl(USB_CMD, rdl(USB_CMD) & ~USB_CMD_RUN); + wrl(USB_CMD, rdl(USB_CMD) | USB_CMD_RESET); + while (rdl(USB_CMD) & USB_CMD_RESET); /* * GL# USB-5 Streaming disable REG_USB_MODE[4]=1 * TBD: This need to be done after each reset! * GL# USB-4 Setup USB Host mode */ - wrl(USB_MODE, 0x13); + wrl(USB_MODE, USB_MODE_SDIS | USB_MODE_HOST); } static void diff --git a/drivers/usb/host/fhci-hub.c b/drivers/usb/host/fhci-hub.c index 70116a65262c..3bacdd7befe9 100644 --- a/drivers/usb/host/fhci-hub.c +++ b/drivers/usb/host/fhci-hub.c @@ -30,7 +30,7 @@ /* virtual root hub specific descriptor */ static u8 root_hub_des[] = { 0x09, /* blength */ - 0x29, /* bDescriptorType;hub-descriptor */ + USB_DT_HUB, /* bDescriptorType;hub-descriptor */ 0x01, /* bNbrPorts */ HUB_CHAR_INDV_PORT_LPSM | HUB_CHAR_NO_OCPM, /* wHubCharacteristics */ 0x00, /* per-port power, no overcurrent */ diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c index 475b21fd373b..000ed80ab592 100644 --- a/drivers/usb/host/fotg210-hcd.c +++ b/drivers/usb/host/fotg210-hcd.c @@ -1509,7 +1509,7 @@ fotg210_hub_descriptor( int ports = HCS_N_PORTS(fotg210->hcs_params); u16 temp; - desc->bDescriptorType = 0x29; + desc->bDescriptorType = USB_DT_HUB; desc->bPwrOn2PwrGood = 10; /* fotg210 1.0, 2.3.9 says 20ms max */ desc->bHubContrCurrent = 0; @@ -1595,7 +1595,7 @@ static int fotg210_hub_control( /* resume signaling for 20 msec */ fotg210_writel(fotg210, temp | PORT_RESUME, status_reg); fotg210->reset_done[wIndex] = jiffies - + msecs_to_jiffies(20); + + msecs_to_jiffies(USB_RESUME_TIMEOUT); break; case USB_PORT_FEAT_C_SUSPEND: clear_bit(wIndex, &fotg210->port_c_suspend); diff --git a/drivers/usb/host/fusbh200-hcd.c b/drivers/usb/host/fusbh200-hcd.c index a83eefefffda..00e492eaba6a 100644 --- a/drivers/usb/host/fusbh200-hcd.c +++ b/drivers/usb/host/fusbh200-hcd.c @@ -1467,7 +1467,7 @@ fusbh200_hub_descriptor ( int ports = HCS_N_PORTS (fusbh200->hcs_params); u16 temp; - desc->bDescriptorType = 0x29; + desc->bDescriptorType = USB_DT_HUB; desc->bPwrOn2PwrGood = 10; /* fusbh200 1.0, 2.3.9 says 20ms max */ desc->bHubContrCurrent = 0; @@ -1550,10 +1550,9 @@ static int fusbh200_hub_control ( if ((temp & PORT_PE) == 0) goto error; - /* resume signaling for 20 msec */ fusbh200_writel(fusbh200, temp | PORT_RESUME, status_reg); fusbh200->reset_done[wIndex] = jiffies - + msecs_to_jiffies(20); + + msecs_to_jiffies(USB_RESUME_TIMEOUT); break; case USB_PORT_FEAT_C_SUSPEND: clear_bit(wIndex, &fusbh200->port_c_suspend); diff --git a/drivers/usb/host/imx21-hcd.c b/drivers/usb/host/imx21-hcd.c index 6a2ad550b120..f542045dc2a6 100644 --- a/drivers/usb/host/imx21-hcd.c +++ b/drivers/usb/host/imx21-hcd.c @@ -1474,7 +1474,7 @@ static int get_hub_descriptor(struct usb_hcd *hcd, struct usb_hub_descriptor *desc) { struct imx21 *imx21 = hcd_to_imx21(hcd); - desc->bDescriptorType = 0x29; /* HUB descriptor */ + desc->bDescriptorType = USB_DT_HUB; /* HUB descriptor */ desc->bHubContrCurrent = 0; desc->bNbrPorts = readl(imx21->regs + USBH_ROOTHUBA) diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c index 113d0cc6cc43..13181dcd9820 100644 --- a/drivers/usb/host/isp116x-hcd.c +++ b/drivers/usb/host/isp116x-hcd.c @@ -943,7 +943,7 @@ static void isp116x_hub_descriptor(struct isp116x *isp116x, { u32 reg = isp116x->rhdesca; - desc->bDescriptorType = 0x29; + desc->bDescriptorType = USB_DT_HUB; desc->bDescLength = 9; desc->bHubContrCurrent = 0; desc->bNbrPorts = (u8) (reg & 0x3); @@ -1490,7 +1490,7 @@ static int isp116x_bus_resume(struct usb_hcd *hcd) spin_unlock_irq(&isp116x->lock); hcd->state = HC_STATE_RESUMING; - msleep(20); + msleep(USB_RESUME_TIMEOUT); /* Go operational */ spin_lock_irq(&isp116x->lock); diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c index b32ab60cad1e..6cf82ee460a6 100644 --- a/drivers/usb/host/isp1362-hcd.c +++ b/drivers/usb/host/isp1362-hcd.c @@ -1538,7 +1538,7 @@ static void isp1362_hub_descriptor(struct isp1362_hcd *isp1362_hcd, DBG(3, "%s: enter\n", __func__); - desc->bDescriptorType = 0x29; + desc->bDescriptorType = USB_DT_HUB; desc->bDescLength = 9; desc->bHubContrCurrent = 0; desc->bNbrPorts = reg & 0x3; diff --git a/drivers/usb/host/max3421-hcd.c b/drivers/usb/host/max3421-hcd.c index a98833cbfcf3..fc1fd403973a 100644 --- a/drivers/usb/host/max3421-hcd.c +++ b/drivers/usb/host/max3421-hcd.c @@ -1659,7 +1659,7 @@ hub_descriptor(struct usb_hub_descriptor *desc) /* * See Table 11-13: Hub Descriptor in USB 2.0 spec. */ - desc->bDescriptorType = 0x29; /* hub descriptor */ + desc->bDescriptorType = USB_DT_HUB; /* hub descriptor */ desc->bDescLength = 9; desc->wHubCharacteristics = cpu_to_le16(HUB_CHAR_INDV_PORT_LPSM | HUB_CHAR_COMMON_OCPM); diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index 7cce85a1f7dc..15df00cceed9 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -39,7 +39,6 @@ struct ohci_at91_priv { struct clk *iclk; struct clk *fclk; - struct clk *uclk; struct clk *hclk; bool clocked; bool wakeup; /* Saved wake-up state for resume */ @@ -64,10 +63,8 @@ static void at91_start_clock(struct ohci_at91_priv *ohci_at91) { if (ohci_at91->clocked) return; - if (IS_ENABLED(CONFIG_COMMON_CLK)) { - clk_set_rate(ohci_at91->uclk, 48000000); - clk_prepare_enable(ohci_at91->uclk); - } + + clk_set_rate(ohci_at91->fclk, 48000000); clk_prepare_enable(ohci_at91->hclk); clk_prepare_enable(ohci_at91->iclk); clk_prepare_enable(ohci_at91->fclk); @@ -78,11 +75,10 @@ static void at91_stop_clock(struct ohci_at91_priv *ohci_at91) { if (!ohci_at91->clocked) return; + clk_disable_unprepare(ohci_at91->fclk); clk_disable_unprepare(ohci_at91->iclk); clk_disable_unprepare(ohci_at91->hclk); - if (IS_ENABLED(CONFIG_COMMON_CLK)) - clk_disable_unprepare(ohci_at91->uclk); ohci_at91->clocked = false; } @@ -191,14 +187,6 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver, retval = PTR_ERR(ohci_at91->hclk); goto err; } - if (IS_ENABLED(CONFIG_COMMON_CLK)) { - ohci_at91->uclk = devm_clk_get(dev, "usb_clk"); - if (IS_ERR(ohci_at91->uclk)) { - dev_err(dev, "failed to get uclk\n"); - retval = PTR_ERR(ohci_at91->uclk); - goto err; - } - } board = hcd->self.controller->platform_data; ohci = hcd_to_ohci(hcd); diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c index fe2aedd8a54d..ed678c17c4ea 100644 --- a/drivers/usb/host/ohci-hub.c +++ b/drivers/usb/host/ohci-hub.c @@ -536,7 +536,7 @@ ohci_hub_descriptor ( u32 rh = roothub_a (ohci); u16 temp; - desc->bDescriptorType = 0x29; + desc->bDescriptorType = USB_DT_HUB; desc->bPwrOn2PwrGood = (rh & RH_A_POTPGT) >> 24; desc->bHubContrCurrent = 0; diff --git a/drivers/usb/host/oxu210hp-hcd.c b/drivers/usb/host/oxu210hp-hcd.c index ef7efb278b15..6352f54e65a1 100644 --- a/drivers/usb/host/oxu210hp-hcd.c +++ b/drivers/usb/host/oxu210hp-hcd.c @@ -445,7 +445,7 @@ static void ehci_hub_descriptor(struct oxu_hcd *oxu, int ports = HCS_N_PORTS(oxu->hcs_params); u16 temp; - desc->bDescriptorType = 0x29; + desc->bDescriptorType = USB_DT_HUB; desc->bPwrOn2PwrGood = 10; /* oxu 1.0, 2.3.9 says 20ms max */ desc->bHubContrCurrent = 0; @@ -2500,11 +2500,12 @@ static irqreturn_t oxu210_hcd_irq(struct usb_hcd *hcd) || oxu->reset_done[i] != 0) continue; - /* start 20 msec resume signaling from this port, - * and make hub_wq collect PORT_STAT_C_SUSPEND to + /* start USB_RESUME_TIMEOUT resume signaling from this + * port, and make hub_wq collect PORT_STAT_C_SUSPEND to * stop that signaling. */ - oxu->reset_done[i] = jiffies + msecs_to_jiffies(20); + oxu->reset_done[i] = jiffies + + msecs_to_jiffies(USB_RESUME_TIMEOUT); oxu_dbg(oxu, "port %d remote wakeup\n", i + 1); mod_timer(&hcd->rh_timer, oxu->reset_done[i]); } diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c index bdc82fea0a1f..4cbd0633c5c2 100644 --- a/drivers/usb/host/r8a66597-hcd.c +++ b/drivers/usb/host/r8a66597-hcd.c @@ -2136,7 +2136,7 @@ static int r8a66597_hub_status_data(struct usb_hcd *hcd, char *buf) static void r8a66597_hub_descriptor(struct r8a66597 *r8a66597, struct usb_hub_descriptor *desc) { - desc->bDescriptorType = 0x29; + desc->bDescriptorType = USB_DT_HUB; desc->bHubContrCurrent = 0; desc->bNbrPorts = r8a66597->max_root_hub; desc->bDescLength = 9; @@ -2301,7 +2301,7 @@ static int r8a66597_bus_resume(struct usb_hcd *hcd) rh->port &= ~USB_PORT_STAT_SUSPEND; rh->port |= USB_PORT_STAT_C_SUSPEND << 16; r8a66597_mdfy(r8a66597, RESUME, RESUME | UACT, dvstctr_reg); - msleep(50); + msleep(USB_RESUME_TIMEOUT); r8a66597_mdfy(r8a66597, UACT, RESUME | UACT, dvstctr_reg); } diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c index 4f4ba1ea9e9b..fd2a11473be7 100644 --- a/drivers/usb/host/sl811-hcd.c +++ b/drivers/usb/host/sl811-hcd.c @@ -1091,7 +1091,7 @@ sl811h_hub_descriptor ( ) { u16 temp = 0; - desc->bDescriptorType = 0x29; + desc->bDescriptorType = USB_DT_HUB; desc->bHubContrCurrent = 0; desc->bNbrPorts = 1; @@ -1259,7 +1259,7 @@ sl811h_hub_control( sl811_write(sl811, SL11H_CTLREG1, sl811->ctrl1); mod_timer(&sl811->timer, jiffies - + msecs_to_jiffies(20)); + + msecs_to_jiffies(USB_RESUME_TIMEOUT)); break; case USB_PORT_FEAT_POWER: port_power(sl811, 0); @@ -1809,7 +1809,6 @@ struct platform_driver sl811h_driver = { .resume = sl811h_resume, .driver = { .name = (char *) hcd_name, - .owner = THIS_MODULE, }, }; EXPORT_SYMBOL(sl811h_driver); diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index ad97e8a1ad1c..d51687780b61 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -2584,7 +2584,7 @@ static int u132_roothub_descriptor(struct u132 *u132, retval = u132_read_pcimem(u132, roothub.a, &rh_a); if (retval) return retval; - desc->bDescriptorType = 0x29; + desc->bDescriptorType = USB_DT_HUB; desc->bPwrOn2PwrGood = (rh_a & RH_A_POTPGT) >> 24; desc->bHubContrCurrent = 0; desc->bNbrPorts = u132->num_ports; diff --git a/drivers/usb/host/uhci-hub.c b/drivers/usb/host/uhci-hub.c index 19ba5eafb31e..ece9e37e89fe 100644 --- a/drivers/usb/host/uhci-hub.c +++ b/drivers/usb/host/uhci-hub.c @@ -15,7 +15,7 @@ static const __u8 root_hub_hub_des[] = { 0x09, /* __u8 bLength; */ - 0x29, /* __u8 bDescriptorType; Hub-descriptor */ + USB_DT_HUB, /* __u8 bDescriptorType; Hub-descriptor */ 0x02, /* __u8 bNbrPorts; */ HUB_CHAR_NO_LPSM | /* __u16 wHubCharacteristics; */ HUB_CHAR_INDV_PORT_OCPM, /* (per-port OC, no power switching) */ @@ -166,7 +166,7 @@ static void uhci_check_ports(struct uhci_hcd *uhci) /* Port received a wakeup request */ set_bit(port, &uhci->resuming_ports); uhci->ports_timeout = jiffies + - msecs_to_jiffies(25); + msecs_to_jiffies(USB_RESUME_TIMEOUT); usb_hcd_start_port_resume( &uhci_to_hcd(uhci)->self, port); @@ -338,7 +338,8 @@ static int uhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, uhci_finish_suspend(uhci, port, port_addr); /* USB v2.0 7.1.7.5 */ - uhci->ports_timeout = jiffies + msecs_to_jiffies(50); + uhci->ports_timeout = jiffies + + msecs_to_jiffies(USB_RESUME_TIMEOUT); break; case USB_PORT_FEAT_POWER: /* UHCI has no power switching */ diff --git a/drivers/usb/host/whci/hcd.c b/drivers/usb/host/whci/hcd.c index d7b363a418de..43626c44683b 100644 --- a/drivers/usb/host/whci/hcd.c +++ b/drivers/usb/host/whci/hcd.c @@ -313,8 +313,7 @@ error_wusbhc_create: uwb_rc_put(wusbhc->uwb_rc); error: whc_clean_up(whc); - if (usb_hcd) - usb_put_hcd(usb_hcd); + usb_put_hcd(usb_hcd); return ret; } diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index a7865c4b0498..0827d7c96527 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -387,6 +387,10 @@ static void xhci_clear_port_change_bit(struct xhci_hcd *xhci, u16 wValue, status = PORT_PLC; port_change_bit = "link state"; break; + case USB_PORT_FEAT_C_PORT_CONFIG_ERROR: + status = PORT_CEC; + port_change_bit = "config error"; + break; default: /* Should never happen */ return; @@ -588,6 +592,8 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd, status |= USB_PORT_STAT_C_LINK_STATE << 16; if ((raw_port_status & PORT_WRC)) status |= USB_PORT_STAT_C_BH_RESET << 16; + if ((raw_port_status & PORT_CEC)) + status |= USB_PORT_STAT_C_CONFIG_ERROR << 16; } if (hcd->speed != HCD_USB3) { @@ -1005,6 +1011,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, case USB_PORT_FEAT_C_OVER_CURRENT: case USB_PORT_FEAT_C_ENABLE: case USB_PORT_FEAT_C_PORT_LINK_STATE: + case USB_PORT_FEAT_C_PORT_CONFIG_ERROR: xhci_clear_port_change_bit(xhci, wValue, wIndex, port_array[wIndex], temp); break; @@ -1069,7 +1076,7 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf) */ status = bus_state->resuming_ports; - mask = PORT_CSC | PORT_PEC | PORT_OCC | PORT_PLC | PORT_WRC; + mask = PORT_CSC | PORT_PEC | PORT_OCC | PORT_PLC | PORT_WRC | PORT_CEC; spin_lock_irqsave(&xhci->lock, flags); /* For each port, did anything change? If so, set that bit in buf. */ diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index fd53c9ebd662..2af32e26fafc 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -115,6 +115,7 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) if (pdev->vendor == PCI_VENDOR_ID_INTEL) { xhci->quirks |= XHCI_LPM_SUPPORT; xhci->quirks |= XHCI_INTEL_HOST; + xhci->quirks |= XHCI_AVOID_BEI; } if (pdev->vendor == PCI_VENDOR_ID_INTEL && pdev->device == PCI_DEVICE_ID_INTEL_PANTHERPOINT_XHCI) { @@ -130,7 +131,6 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) * PPT chipsets. */ xhci->quirks |= XHCI_SPURIOUS_REBOOT; - xhci->quirks |= XHCI_AVOID_BEI; } if (pdev->vendor == PCI_VENDOR_ID_INTEL && pdev->device == PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI) { diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index 0e11d61408ff..783e819139a7 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -16,6 +16,7 @@ #include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> +#include <linux/usb/phy.h> #include <linux/slab.h> #include <linux/usb/xhci_pdriver.h> @@ -155,12 +156,27 @@ static int xhci_plat_probe(struct platform_device *pdev) if (HCC_MAX_PSA(xhci->hcc_params) >= 4) xhci->shared_hcd->can_do_streams = 1; + hcd->usb_phy = devm_usb_get_phy_by_phandle(&pdev->dev, "usb-phy", 0); + if (IS_ERR(hcd->usb_phy)) { + ret = PTR_ERR(hcd->usb_phy); + if (ret == -EPROBE_DEFER) + goto put_usb3_hcd; + hcd->usb_phy = NULL; + } else { + ret = usb_phy_init(hcd->usb_phy); + if (ret) + goto put_usb3_hcd; + } + ret = usb_add_hcd(xhci->shared_hcd, irq, IRQF_SHARED); if (ret) - goto put_usb3_hcd; + goto disable_usb_phy; return 0; +disable_usb_phy: + usb_phy_shutdown(hcd->usb_phy); + put_usb3_hcd: usb_put_hcd(xhci->shared_hcd); @@ -184,6 +200,7 @@ static int xhci_plat_remove(struct platform_device *dev) struct clk *clk = xhci->clk; usb_remove_hcd(xhci->shared_hcd); + usb_phy_shutdown(hcd->usb_phy); usb_put_hcd(xhci->shared_hcd); usb_remove_hcd(hcd); diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 5fb66db89e05..f5397a517c54 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -238,7 +238,7 @@ static void inc_enq(struct xhci_hcd *xhci, struct xhci_ring *ring, /* Toggle the cycle bit after the last ring segment. */ if (last_trb_on_last_seg(xhci, ring, ring->enq_seg, next)) { - ring->cycle_state = (ring->cycle_state ? 0 : 1); + ring->cycle_state ^= 1; } } ring->enq_seg = ring->enq_seg->next; @@ -1574,7 +1574,7 @@ static void handle_port_status(struct xhci_hcd *xhci, } else { xhci_dbg(xhci, "resume HS port %d\n", port_id); bus_state->resume_done[faked_port_index] = jiffies + - msecs_to_jiffies(20); + msecs_to_jiffies(USB_RESUME_TIMEOUT); set_bit(faked_port_index, &bus_state->resuming_ports); mod_timer(&hcd->rh_timer, bus_state->resume_done[faked_port_index]); @@ -1729,7 +1729,7 @@ static void xhci_cleanup_halted_endpoint(struct xhci_hcd *xhci, if (!command) return; - ep->ep_state |= EP_HALTED | EP_RECENTLY_HALTED; + ep->ep_state |= EP_HALTED; ep->stopped_stream = stream_id; xhci_queue_reset_ep(xhci, command, slot_id, ep_index); @@ -2809,7 +2809,7 @@ static int prepare_ring(struct xhci_hcd *xhci, struct xhci_ring *ep_ring, /* Toggle the cycle bit after the last ring segment. */ if (last_trb_on_last_seg(xhci, ring, ring->enq_seg, next)) { - ring->cycle_state = (ring->cycle_state ? 0 : 1); + ring->cycle_state ^= 1; } ring->enq_seg = ring->enq_seg->next; ring->enqueue = ring->enq_seg->trbs; diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index b06d1a53652d..ec8ac1674854 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -1338,12 +1338,6 @@ int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags) goto exit; } - /* Reject urb if endpoint is in soft reset, queue must stay empty */ - if (xhci->devs[slot_id]->eps[ep_index].ep_state & EP_CONFIG_PENDING) { - xhci_warn(xhci, "Can't enqueue URB while ep is in soft reset\n"); - ret = -EINVAL; - } - if (usb_endpoint_xfer_isoc(&urb->ep->desc)) size = urb->number_of_packets; else @@ -2954,36 +2948,23 @@ void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, } } -/* Called after clearing a halted device. USB core should have sent the control +/* Called when clearing halted device. The core should have sent the control * message to clear the device halt condition. The host side of the halt should - * already be cleared with a reset endpoint command issued immediately when the - * STALL tx event was received. + * already be cleared with a reset endpoint command issued when the STALL tx + * event was received. + * + * Context: in_interrupt */ void xhci_endpoint_reset(struct usb_hcd *hcd, struct usb_host_endpoint *ep) { struct xhci_hcd *xhci; - struct usb_device *udev; - struct xhci_virt_device *virt_dev; - struct xhci_virt_ep *virt_ep; - struct xhci_input_control_ctx *ctrl_ctx; - struct xhci_command *command; - unsigned int ep_index, ep_state; - unsigned long flags; - u32 ep_flag; xhci = hcd_to_xhci(hcd); - udev = (struct usb_device *) ep->hcpriv; - if (!ep->hcpriv) - return; - virt_dev = xhci->devs[udev->slot_id]; - ep_index = xhci_get_endpoint_index(&ep->desc); - virt_ep = &virt_dev->eps[ep_index]; - ep_state = virt_ep->ep_state; /* - * Implement the config ep command in xhci 4.6.8 additional note: + * We might need to implement the config ep cmd in xhci 4.8.1 note: * The Reset Endpoint Command may only be issued to endpoints in the * Halted state. If software wishes reset the Data Toggle or Sequence * Number of an endpoint that isn't in the Halted state, then software @@ -2991,72 +2972,9 @@ void xhci_endpoint_reset(struct usb_hcd *hcd, * for the target endpoint. that is in the Stopped state. */ - if (ep_state & SET_DEQ_PENDING || ep_state & EP_RECENTLY_HALTED) { - virt_ep->ep_state &= ~EP_RECENTLY_HALTED; - xhci_dbg(xhci, "ep recently halted, no toggle reset needed\n"); - return; - } - - /* Only interrupt and bulk ep's use Data toggle, USB2 spec 5.5.4-> */ - if (usb_endpoint_xfer_control(&ep->desc) || - usb_endpoint_xfer_isoc(&ep->desc)) - return; - - ep_flag = xhci_get_endpoint_flag(&ep->desc); - - if (ep_flag == SLOT_FLAG || ep_flag == EP0_FLAG) - return; - - command = xhci_alloc_command(xhci, true, true, GFP_NOWAIT); - if (!command) { - xhci_err(xhci, "Could not allocate xHCI command structure.\n"); - return; - } - - spin_lock_irqsave(&xhci->lock, flags); - - /* block ringing ep doorbell */ - virt_ep->ep_state |= EP_CONFIG_PENDING; - - /* - * Make sure endpoint ring is empty before resetting the toggle/seq. - * Driver is required to synchronously cancel all transfer request. - * - * xhci 4.6.6 says we can issue a configure endpoint command on a - * running endpoint ring as long as it's idle (queue empty) - */ - - if (!list_empty(&virt_ep->ring->td_list)) { - dev_err(&udev->dev, "EP not empty, refuse reset\n"); - spin_unlock_irqrestore(&xhci->lock, flags); - goto cleanup; - } - - xhci_dbg(xhci, "Reset toggle/seq for slot %d, ep_index: %d\n", - udev->slot_id, ep_index); - - ctrl_ctx = xhci_get_input_control_ctx(command->in_ctx); - if (!ctrl_ctx) { - xhci_err(xhci, "Could not get input context, bad type. virt_dev: %p, in_ctx %p\n", - virt_dev, virt_dev->in_ctx); - spin_unlock_irqrestore(&xhci->lock, flags); - goto cleanup; - } - xhci_setup_input_ctx_for_config_ep(xhci, command->in_ctx, - virt_dev->out_ctx, ctrl_ctx, - ep_flag, ep_flag); - xhci_endpoint_copy(xhci, command->in_ctx, virt_dev->out_ctx, ep_index); - - xhci_queue_configure_endpoint(xhci, command, command->in_ctx->dma, - udev->slot_id, false); - xhci_ring_cmd_db(xhci); - spin_unlock_irqrestore(&xhci->lock, flags); - - wait_for_completion(command->completion); - -cleanup: - virt_ep->ep_state &= ~EP_CONFIG_PENDING; - xhci_free_command(xhci, command); + /* For now just print debug to follow the situation */ + xhci_dbg(xhci, "Endpoint 0x%x ep reset callback called\n", + ep->desc.bEndpointAddress); } static int xhci_check_streams_endpoint(struct xhci_hcd *xhci, diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 265ab1771d24..8e421b89632d 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -865,8 +865,6 @@ struct xhci_virt_ep { #define EP_HAS_STREAMS (1 << 4) /* Transitioning the endpoint to not using streams, don't enqueue URBs */ #define EP_GETTING_NO_STREAMS (1 << 5) -#define EP_RECENTLY_HALTED (1 << 6) -#define EP_CONFIG_PENDING (1 << 7) /* ---- Related to URB cancellation ---- */ struct list_head cancelled_td_list; struct xhci_td *stopped_td; |