• Huang Rui's avatar
    usb: xhci: amd chipset also needs short TX quirk · 1d37c3ed
    Huang Rui authored
    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>
    [lizf: Backported to 3.4: adjust context]
    Signed-off-by: default avatarZefan Li <lizefan@huawei.com>
    1d37c3ed
xhci-pci.c 11.1 KB