During xhci suspend some AMD USB host will lose port status change events and
need to have the registers polled during D3, so now just avoid D3cold.
Signed-off-by: Prike Liang <Prike.Liang@xxxxxxx>
---
drivers/usb/host/xhci-pci.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 3feaafe..bff817a 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -170,6 +170,11 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
(pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_1)))
xhci->quirks |= XHCI_U2_DISABLE_WAKE;
+ if (pdev->vendor == PCI_VENDOR_ID_AMD &&
+ pdev->device == 0x1639) {
+ xhci->quirks |= XHCI_COMP_MODE_QUIRK;
+ }
+
if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
xhci->quirks |= XHCI_LPM_SUPPORT;
xhci->quirks |= XHCI_INTEL_HOST;
--
2.7.4
