xhci: Add quirk to workaround the errata seen on Cavium Thunder-X2 Soc

[platform/kernel/linux-rpi.git] / drivers / usb / host / xhci-pci.c

diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 92fd6b6..beeda27 100644 (file)
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -231,6 +231,11 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
        if (pdev->vendor == PCI_VENDOR_ID_TI && pdev->device == 0x8241)
                xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_7;
 
+       if ((pdev->vendor == PCI_VENDOR_ID_BROADCOM ||
+            pdev->vendor == PCI_VENDOR_ID_CAVIUM) &&
+            pdev->device == 0x9026)
+               xhci->quirks |= XHCI_RESET_PLL_ON_DISCONNECT;
+
        if (xhci->quirks & XHCI_RESET_ON_RESUME)
                xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
                                "QUIRK: Resetting on resume");