Activating XHCI_TRUST_TX_LENGTH on Renesas uPD720202 USB 3.0 hosts to get rid of the following warnings: xhci_hcd 0000:06:00.0: WARN Successful completion on short TX: needs XHCI_TRUST_TX_LENGTH quirk? Signed-off-by: Rodrigo Severo <rodrigo@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/host/xhci-pci.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index ca01686..b02641b 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -43,6 +43,8 @@ #define PCI_DEVICE_ID_ASMEDIA_ASM1042A 0x1142 +#define PCI_DEVICE_ID_RENESAS_UPD720202 0x0015 + static const char hcd_name[] = "xhci_hcd"; static struct hc_driver __read_mostly xhci_pci_hc_driver; @@ -174,6 +176,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) if (xhci->quirks & XHCI_RESET_ON_RESUME) xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, "QUIRK: Resetting on resume"); + + if (pdev->vendor == PCI_VENDOR_ID_RENESAS && + pdev->device == PCI_DEVICE_ID_RENESAS_UPD720202) + xhci->quirks |= XHCI_TRUST_TX_LENGTH; } /* -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
