1 files changed, 16 insertions, 0 deletions

diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 592fe7e623f7..06595ec27bb7 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -24,6 +24,10 @@
 
 #include "xhci.h"
 
+/* Device for a quirk */
+#define PCI_VENDOR_ID_FRESCO_LOGIC      0x1b73
+#define PCI_DEVICE_ID_FRESCO_LOGIC_PDK  0x1000
+
 static const char hcd_name[] = "xhci_hcd";
 
 /* called after powerup, by probe or system-pm "wakeup" */
@@ -59,9 +63,20 @@ static int xhci_pci_setup(struct usb_hcd *hcd)
         xhci->hcs_params1 = xhci_readl(xhci, &xhci->cap_regs->hcs_params1);
         xhci->hcs_params2 = xhci_readl(xhci, &xhci->cap_regs->hcs_params2);
         xhci->hcs_params3 = xhci_readl(xhci, &xhci->cap_regs->hcs_params3);
+        xhci->hcc_params = xhci_readl(xhci, &xhci->cap_regs->hc_capbase);
+        xhci->hci_version = HC_VERSION(xhci->hcc_params);
         xhci->hcc_params = xhci_readl(xhci, &xhci->cap_regs->hcc_params);
         xhci_print_registers(xhci);
 
+        /* Look for vendor-specific quirks */
+        if (pdev->vendor == PCI_VENDOR_ID_FRESCO_LOGIC &&
+                        pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK &&
+                        pdev->revision == 0x0) {
+                        xhci->quirks |= XHCI_RESET_EP_QUIRK;
+                        xhci_dbg(xhci, "QUIRK: Fresco Logic xHC needs configure"
+                                        " endpoint cmd after reset endpoint\n");
+        }
+
         /* Make sure the HC is halted. */
         retval = xhci_halt(xhci);
         if (retval)
@@ -121,6 +136,7 @@ static const struct hc_driver xhci_pci_hc_driver = {
         .check_bandwidth =      xhci_check_bandwidth,
         .reset_bandwidth =      xhci_reset_bandwidth,
         .address_device =       xhci_address_device,
+        .update_hub_device =    xhci_update_hub_device,
 
         /*
          * scheduling support