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xhci: Add Lynx Point LP to list of Intel switchable hosts

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Like Lynx Point, Lynx Point LP is also switchable.  See
1c12443ab8 for more details.

This patch should be backported to stable kernels as old as 3.0,
that contain commit 69e848c209
"Intel xhci: Support EHCI/xHCI port switching."

Signed-off-by: Russell Webb <russell.webb@linux.intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Russell Webb 2012-11-09 13:58:49 -08:00 committed by Sarah Sharp
parent ffa5c41c81
commit bb1e5dd711
2 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/usb/host/ehci-pci.c
View File

@ -330,7 +330,8 @@ static bool usb_is_intel_switchable_ehci(struct pci_dev *pdev)
pdev->vendor == PCI_VENDOR_ID_INTEL &&
(pdev->device == 0x1E26 ||
pdev->device == 0x8C2D ||
pdev->device == 0x8C26);
pdev->device == 0x8C26 ||
pdev->device == 0x9C26);
}
static void ehci_enable_xhci_companion(void)

4
drivers/usb/host/pci-quirks.c
View File

@ -723,6 +723,7 @@ static int handshake(void __iomem *ptr, u32 mask, u32 done,
}
#define PCI_DEVICE_ID_INTEL_LYNX_POINT_XHCI 0x8C31
#define PCI_DEVICE_ID_INTEL_LYNX_POINT_LP_XHCI 0x9C31
bool usb_is_intel_ppt_switchable_xhci(struct pci_dev *pdev)
{
@ -736,7 +737,8 @@ 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;
(pdev->device == PCI_DEVICE_ID_INTEL_LYNX_POINT_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_LYNX_POINT_LP_XHCI);
}
bool usb_is_intel_switchable_xhci(struct pci_dev *pdev)