>
> Caution: EXT Email
>
> Resolve USB 3.0 gadget failure for QM and QXPB0 in super speed mode with
> single
> IN and OUT endpoints, like mass storage devices, due to incorrect
> ACTUAL_MEM_SIZE in ep_cap2 (32k instead of actual 18k). Implement dt
> property
> cdns,on-chip-buff-size to override ep_cap2 and set it to 18k for imx8QM and
> imx8QXP chips. No adverse effects for 8QXP C0.
>
> Fixes: dce49449e04ff ("usb: cdns3: allocate TX FIFO size according to
> composite EP number")
>
> Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
> ---
Shawn:
Ping, it is important fixes for 8qm.
> arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi
> b/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi
> index b32c2e199c160..030c273c8be40 100644
> --- a/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi
> @@ -171,6 +171,7 @@ usbotg3_cdns3: usb@5b120000 {
> interrupt-names = "host", "peripheral", "otg", "wakeup";
> phys = <&usb3_phy>;
> phy-names = "cdns3,usb3-phy";
> + cdns,on-chip-buff-size = /bits/ 16 <18>;
> status = "disabled";
> };
> };
> --
> 2.34.1
