usb: host: xhci-rcar: Add XHCI_TRUST_TX_LENGTH quirk
authorYasushi Asano <yasano@jp.adit-jv.com>
Mon, 18 Feb 2019 10:26:34 +0000 (11:26 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 3 Apr 2019 04:25:20 +0000 (06:25 +0200)
commitdc4267dceaca44f938e7fbfb94d9445dfdeef996
tree1de37b29b164085f7f1f8b061f085d2b8d3b6f16
parent60397a4e109bbfaa88d1a0b26e17228f7118b6f3
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: Yasushi Asano <yasano@jp.adit-jv.com>
Signed-off-by: Spyridon Papageorgiou <spapageorgiou@de.adit-jv.com>
Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/xhci-rcar.c