diff options
Diffstat (limited to 'bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0415-usb-host-xhci-rcar-Add-XHCI_TRUST_TX_LENGTH-quirk.patch')
-rw-r--r-- | bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0415-usb-host-xhci-rcar-Add-XHCI_TRUST_TX_LENGTH-quirk.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0415-usb-host-xhci-rcar-Add-XHCI_TRUST_TX_LENGTH-quirk.patch b/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0415-usb-host-xhci-rcar-Add-XHCI_TRUST_TX_LENGTH-quirk.patch new file mode 100644 index 00000000..889a3729 --- /dev/null +++ b/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0415-usb-host-xhci-rcar-Add-XHCI_TRUST_TX_LENGTH-quirk.patch @@ -0,0 +1,37 @@ +From 1e82360f4dd318a8ca4bd2e0d0b75a1780c158d7 Mon Sep 17 00:00:00 2001 +From: Yasushi Asano <yasano@jp.adit-jv.com> +Date: Mon, 18 Feb 2019 11:26:34 +0100 +Subject: [PATCH 2/6] usb: host: xhci-rcar: Add XHCI_TRUST_TX_LENGTH quirk + +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> +Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> +--- + drivers/usb/host/xhci-rcar.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/drivers/usb/host/xhci-rcar.c b/drivers/usb/host/xhci-rcar.c +index b05c937..1f31f84 100644 +--- a/drivers/usb/host/xhci-rcar.c ++++ b/drivers/usb/host/xhci-rcar.c +@@ -264,6 +264,7 @@ int xhci_rcar_init_quirk(struct usb_hcd *hcd) + return -ETIMEDOUT; + + xhci->quirks |= XHCI_SLOW_SUSPEND; ++ xhci->quirks |= XHCI_TRUST_TX_LENGTH; + return xhci_rcar_download_firmware(hcd); + } + +-- +2.7.4 + |