Re: [PATCH v2 2/2] imx53.dtsi : Add DMA configuration for UART

From: Alexander Shiyan
Date: Thu Aug 04 2016 - 07:20:11 EST


>ÐÐÑÐÐÑÐ, 4 ÐÐÐÑÑÑÐ 2016, 13:22 +03:00 ÐÑ Fabien Lahoudere <fabien.lahoudere@xxxxxxxxxxxxxxx>:
>
>In order to use sdma with UART, we need to add DMA configuration in device tree.
>
>Signed-off-by: Fabien Lahoudere < fabien.lahoudere@xxxxxxxxxxxxxxx >
>---
>Âarch/arm/boot/dts/imx53.dtsi | 10 ++++++++++
>Â1 file changed, 10 insertions(+)
...

Hello.

UART SDMA has been tested by me for i.MX51.
So, on my opinion, In the first part of the patch, we just need to remove is_imx6q_uart()
check on and always let the devicetree decide about DMA usage.

Thanks.
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