Commit b381372c authored by Huang Rui's avatar Huang Rui Committed by Greg Kroah-Hartman

usb: xhci: amd chipset also needs short TX quirk

commit 2597fe99 upstream.

AMD xHC also needs short tx quirk after tested on most of chipset
generations. That's because there is the same incorrect behavior like
Fresco Logic host. Please see below message with on USB webcam
attached on xHC host:

[  139.262944] xhci_hcd 0000:00:10.0: WARN Successful completion on short TX: needs XHCI_TRUST_TX_LENGTH quirk?
[  139.266934] xhci_hcd 0000:00:10.0: WARN Successful completion on short TX: needs XHCI_TRUST_TX_LENGTH quirk?
[  139.270913] xhci_hcd 0000:00:10.0: WARN Successful completion on short TX: needs XHCI_TRUST_TX_LENGTH quirk?
[  139.274937] xhci_hcd 0000:00:10.0: WARN Successful completion on short TX: needs XHCI_TRUST_TX_LENGTH quirk?
[  139.278914] xhci_hcd 0000:00:10.0: WARN Successful completion on short TX: needs XHCI_TRUST_TX_LENGTH quirk?
[  139.282936] xhci_hcd 0000:00:10.0: WARN Successful completion on short TX: needs XHCI_TRUST_TX_LENGTH quirk?
[  139.286915] xhci_hcd 0000:00:10.0: WARN Successful completion on short TX: needs XHCI_TRUST_TX_LENGTH quirk?
[  139.290938] xhci_hcd 0000:00:10.0: WARN Successful completion on short TX: needs XHCI_TRUST_TX_LENGTH quirk?
[  139.294913] xhci_hcd 0000:00:10.0: WARN Successful completion on short TX: needs XHCI_TRUST_TX_LENGTH quirk?
[  139.298917] xhci_hcd 0000:00:10.0: WARN Successful completion on short TX: needs XHCI_TRUST_TX_LENGTH quirk?
Reported-by: default avatarArindam Nath <arindam.nath@amd.com>
Tested-by: default avatarShriraj-Rai P <shriraj-rai.p@amd.com>
Signed-off-by: default avatarHuang Rui <ray.huang@amd.com>
Signed-off-by: default avatarMathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e9822113
......@@ -101,6 +101,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
/* AMD PLL quirk */
if (pdev->vendor == PCI_VENDOR_ID_AMD && usb_amd_find_chipset_info())
xhci->quirks |= XHCI_AMD_PLL_FIX;
if (pdev->vendor == PCI_VENDOR_ID_AMD)
xhci->quirks |= XHCI_TRUST_TX_LENGTH;
if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
xhci->quirks |= XHCI_LPM_SUPPORT;
xhci->quirks |= XHCI_INTEL_HOST;
......
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