diff options
Diffstat (limited to 'drivers/usb/host/xhci-pci.c')
| -rw-r--r-- | drivers/usb/host/xhci-pci.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 04f986d9234f..75cb1ff9d26b 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -101,6 +101,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) /* AMD PLL quirk */ if (pdev->vendor == PCI_VENDOR_ID_AMD && usb_amd_find_chipset_info()) xhci->quirks |= XHCI_AMD_PLL_FIX; + + if (pdev->vendor == PCI_VENDOR_ID_AMD) + xhci->quirks |= XHCI_TRUST_TX_LENGTH; + if (pdev->vendor == PCI_VENDOR_ID_INTEL) { xhci->quirks |= XHCI_LPM_SUPPORT; xhci->quirks |= XHCI_INTEL_HOST; @@ -134,6 +138,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) */ if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP) xhci->quirks |= XHCI_SPURIOUS_WAKEUP; + + xhci->quirks |= XHCI_SPURIOUS_REBOOT; } if (pdev->vendor == PCI_VENDOR_ID_ETRON && pdev->device == PCI_DEVICE_ID_ASROCK_P67) { @@ -143,9 +149,7 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) xhci->quirks |= XHCI_TRUST_TX_LENGTH; } if (pdev->vendor == PCI_VENDOR_ID_RENESAS && - pdev->device == 0x0015 && - pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG && - pdev->subsystem_device == 0xc0cd) + pdev->device == 0x0015) xhci->quirks |= XHCI_RESET_ON_RESUME; if (pdev->vendor == PCI_VENDOR_ID_VIA) xhci->quirks |= XHCI_RESET_ON_RESUME; @@ -190,6 +194,10 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) struct usb_hcd *hcd; driver = (struct hc_driver *)id->driver_data; + + /* Prevent runtime suspending between USB-2 and USB-3 initialization */ + pm_runtime_get_noresume(&dev->dev); + /* Register the USB 2.0 roothub. * FIXME: USB core must know to register the USB 2.0 roothub first. * This is sort of silly, because we could just set the HCD driver flags @@ -199,7 +207,7 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) retval = usb_hcd_pci_probe(dev, id); if (retval) - return retval; + goto put_runtime_pm; /* USB 2.0 roothub is stored in the PCI device now. */ hcd = dev_get_drvdata(&dev->dev); @@ -228,12 +236,17 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) if (xhci->quirks & XHCI_LPM_SUPPORT) hcd_to_bus(xhci->shared_hcd)->root_hub->lpm_capable = 1; + /* USB-2 and USB-3 roothubs initialized, allow runtime pm suspend */ + pm_runtime_put_noidle(&dev->dev); + return 0; put_usb3_hcd: usb_put_hcd(xhci->shared_hcd); dealloc_usb2_hcd: usb_hcd_pci_remove(dev); +put_runtime_pm: + pm_runtime_put_noidle(&dev->dev); return retval; } |