Activating XHCI_TRUST_TX_LENGTH on Renesas uPD720201 USB 3.0 hosts to get rid of the following warnings when using webcams on this type of host: 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> --- Changes on v2: - fixed syntax error identified by Sergei Shtylyov. Changes on v3: - separated the quirk definition for Renesas uPD720201 and the moving of the quirk definitions for Renesas hosts on two diferent patchs as per Fabio Estevam suggestion. - included these change explanations and version identification as Fabio Estevam suggested. drivers/usb/host/xhci-pci.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index b02641b..a094afe 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -43,6 +43,7 @@ #define PCI_DEVICE_ID_ASMEDIA_ASM1042A 0x1142 +#define PCI_DEVICE_ID_RENESAS_UPD720201 0x0014 #define PCI_DEVICE_ID_RENESAS_UPD720202 0x0015 static const char hcd_name[] = "xhci_hcd"; @@ -178,7 +179,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) "QUIRK: Resetting on resume"); if (pdev->vendor == PCI_VENDOR_ID_RENESAS && - pdev->device == PCI_DEVICE_ID_RENESAS_UPD720202) + (pdev->device == PCI_DEVICE_ID_RENESAS_UPD720201 || + 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
