diff options
Diffstat (limited to 'drivers/usb/host/pci-quirks.c')
| -rw-r--r-- | drivers/usb/host/pci-quirks.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index 39b2612342f..df0828cb2aa 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -713,12 +713,28 @@ static int handshake(void __iomem *ptr, u32 mask, u32 done, return -ETIMEDOUT; } -bool usb_is_intel_switchable_xhci(struct pci_dev *pdev) +#define PCI_DEVICE_ID_INTEL_LYNX_POINT_XHCI 0x8C31 + +bool usb_is_intel_ppt_switchable_xhci(struct pci_dev *pdev) { return pdev->class == PCI_CLASS_SERIAL_USB_XHCI && pdev->vendor == PCI_VENDOR_ID_INTEL && pdev->device == PCI_DEVICE_ID_INTEL_PANTHERPOINT_XHCI; } + +/* The Intel Lynx Point chipset also has switchable ports. */ +bool usb_is_intel_lpt_switchable_xhci(struct pci_dev *pdev) +{ + return pdev->class == PCI_CLASS_SERIAL_USB_XHCI && + pdev->vendor == PCI_VENDOR_ID_INTEL && + pdev->device == PCI_DEVICE_ID_INTEL_LYNX_POINT_XHCI; +} + +bool usb_is_intel_switchable_xhci(struct pci_dev *pdev) +{ + return usb_is_intel_ppt_switchable_xhci(pdev) || + usb_is_intel_lpt_switchable_xhci(pdev); +} EXPORT_SYMBOL_GPL(usb_is_intel_switchable_xhci); /* |