xhci: quirk for extra long delay for S4

[pandora-kernel.git] / drivers / usb / host / xhci-pci.c

diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 61b0668..cf82cc9 100644 (file)
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -67,6 +67,14 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
                        xhci_dbg(xhci, "QUIRK: Fresco Logic xHC needs configure"
                                        " endpoint cmd after reset endpoint\n");
                }
+               if (pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK &&
+                               pdev->revision == 0x4) {
+                       xhci->quirks |= XHCI_SLOW_SUSPEND;
+                       xhci_dbg(xhci,
+                               "QUIRK: Fresco Logic xHC revision %u"
+                               "must be suspended extra slowly",
+                               pdev->revision);
+               }
                /* Fresco Logic confirms: all revisions of this chip do not
                 * support MSI, even though some of them claim to in their PCI
                 * capabilities.