提交 093ccda1 编写于 作者: Y Yasushi Asano 提交者: Greg Kroah-Hartman

usb: host: xhci-rcar: Add XHCI_TRUST_TX_LENGTH quirk

commit 40fc165304f0faaae78b761f8ee30b5d216b1850 upstream.

When plugging BUFFALO LUA4-U3-AGT USB3.0 to Gigabit Ethernet LAN
Adapter, warning messages filled up dmesg.

[  101.098287] xhci-hcd ee000000.usb: WARN Successful completion on short TX for slot 1 ep 4: needs XHCI_TRUST_TX_LENGTH quirk?
[  101.117463] xhci-hcd ee000000.usb: WARN Successful completion on short TX for slot 1 ep 4: needs XHCI_TRUST_TX_LENGTH quirk?
[  101.136513] xhci-hcd ee000000.usb: WARN Successful completion on short TX for slot 1 ep 4: needs XHCI_TRUST_TX_LENGTH quirk?

Adding the XHCI_TRUST_TX_LENGTH quirk resolves the issue.
Signed-off-by: NYasushi Asano <yasano@jp.adit-jv.com>
Signed-off-by: NSpyridon Papageorgiou <spapageorgiou@de.adit-jv.com>
Acked-by: NYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
上级 015e5c17
......@@ -246,6 +246,7 @@ int xhci_rcar_init_quirk(struct usb_hcd *hcd)
if (!xhci_rcar_wait_for_pll_active(hcd))
return -ETIMEDOUT;
xhci->quirks |= XHCI_TRUST_TX_LENGTH;
return xhci_rcar_download_firmware(hcd);
}
......
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