diff options
Diffstat (limited to 'drivers/usb/host/xhci.c')
| -rw-r--r-- | drivers/usb/host/xhci.c | 40 |
1 files changed, 33 insertions, 7 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 849470b1883..b4aa79d154b 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -417,9 +417,9 @@ static void compliance_mode_recovery(unsigned long arg) * Compliance Mode Detected. Letting USB Core * handle the Warm Reset */ - xhci_dbg(xhci, "Compliance Mode Detected->Port %d!\n", + xhci_dbg(xhci, "Compliance mode detected->port %d\n", i + 1); - xhci_dbg(xhci, "Attempting Recovery routine!\n"); + xhci_dbg(xhci, "Attempting compliance mode recovery\n"); hcd = xhci->shared_hcd; if (hcd->state == HC_STATE_SUSPENDED) @@ -457,7 +457,7 @@ static void compliance_mode_recovery_timer_init(struct xhci_hcd *xhci) set_timer_slack(&xhci->comp_mode_recovery_timer, msecs_to_jiffies(COMP_MODE_RCVRY_MSECS)); add_timer(&xhci->comp_mode_recovery_timer); - xhci_dbg(xhci, "Compliance Mode Recovery Timer Initialized.\n"); + xhci_dbg(xhci, "Compliance mode recovery timer initialized\n"); } /* @@ -733,8 +733,11 @@ void xhci_stop(struct usb_hcd *hcd) /* Deleting Compliance Mode Recovery Timer */ if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) && - (!(xhci_all_ports_seen_u0(xhci)))) + (!(xhci_all_ports_seen_u0(xhci)))) { del_timer_sync(&xhci->comp_mode_recovery_timer); + xhci_dbg(xhci, "%s: compliance mode recovery timer deleted\n", + __func__); + } if (xhci->quirks & XHCI_AMD_PLL_FIX) usb_amd_dev_put(); @@ -930,7 +933,8 @@ int xhci_suspend(struct xhci_hcd *xhci) if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) && (!(xhci_all_ports_seen_u0(xhci)))) { del_timer_sync(&xhci->comp_mode_recovery_timer); - xhci_dbg(xhci, "Compliance Mode Recovery Timer Deleted!\n"); + xhci_dbg(xhci, "%s: compliance mode recovery timer deleted\n", + __func__); } /* step 5: remove core well power */ @@ -3779,7 +3783,29 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev) return 0; } -#ifdef CONFIG_USB_SUSPEND +/* + * Transfer the port index into real index in the HW port status + * registers. Caculate offset between the port's PORTSC register + * and port status base. Divide the number of per port register + * to get the real index. The raw port number bases 1. + */ +int xhci_find_raw_port_number(struct usb_hcd *hcd, int port1) +{ + struct xhci_hcd *xhci = hcd_to_xhci(hcd); + __le32 __iomem *base_addr = &xhci->op_regs->port_status_base; + __le32 __iomem *addr; + int raw_port; + + if (hcd->speed != HCD_USB3) + addr = xhci->usb2_ports[port1 - 1]; + else + addr = xhci->usb3_ports[port1 - 1]; + + raw_port = (addr - base_addr)/NUM_PORT_REGS + 1; + return raw_port; +} + +#ifdef CONFIG_PM_RUNTIME /* BESL to HIRD Encoding array for USB2 LPM */ static int xhci_besl_encoding[16] = {125, 150, 200, 300, 400, 500, 1000, 2000, @@ -4029,7 +4055,7 @@ int xhci_update_device(struct usb_hcd *hcd, struct usb_device *udev) return 0; } -#endif /* CONFIG_USB_SUSPEND */ +#endif /* CONFIG_PM_RUNTIME */ /*---------------------- USB 3.0 Link PM functions ------------------------*/ |