On 02/22/2018 12:20 PM, Koen Vandeputte wrote:
> When this target got updated to 4.14, this patch got removed to
> re-evaluate if it was still needed.
>
> Extensive testing now shows this issue is still present.
> Let's re-add the patch to fix it for now.
>
> As the uart bus is very low bandwidth .. performance impact is negligible.
>
> Boot log:
>
> [ 22.513051] imx-uart 2020000.serial: DMA transaction error.
> [ 22.522721] imx-uart 2020000.serial: DMA transaction error.
>
An alternative solution is to add the following to the uart's device
tree definition:
dma-names = "", "";
e.g.
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1>;
dma-names = "", "";
status = "okay";
};
Regards,
Bas.
_______________________________________________
Lede-dev mailing list
Lede-dev@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/lede-dev
