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-rw-r--r--drivers/usb/host/ehci-pci.c4
-rw-r--r--drivers/usb/host/pci-quirks.c18
2 files changed, 20 insertions, 2 deletions
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index 3940d28aa390..efb9efcffe44 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -365,7 +365,9 @@ static bool usb_is_intel_switchable_ehci(struct pci_dev *pdev)
{
return pdev->class == PCI_CLASS_SERIAL_USB_EHCI &&
pdev->vendor == PCI_VENDOR_ID_INTEL &&
- pdev->device == 0x1E26;
+ (pdev->device == 0x1E26 ||
+ pdev->device == 0x8C2D ||
+ pdev->device == 0x8C26);
}
static void ehci_enable_xhci_companion(void)
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index 7fec8bd202df..0757b1934da5 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -711,12 +711,28 @@ 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);
/*