Re: [PATCH] ARM: dts: at91: Enable DMA on sama5d4_xplained console

From: Nicolas Ferre
Date: Thu Jan 19 2017 - 10:26:32 EST


Le 18/01/2017 à 17:46, Alexandre Belloni a écrit :
> Enable DMA on usart3 to get a more reliable console. This is especially
> useful for automation and kernelci were a kernel with PROVE_LOCKING enabled
> is quite susceptible to character loss, resulting in tests failure.
>
> Cc: stable <stable@xxxxxxxxxxxxxxx> #v4.1+
> Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>

Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>

Thanks,
Regards.

> ---
> arch/arm/boot/dts/at91-sama5d4_xplained.dts | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/boot/dts/at91-sama5d4_xplained.dts b/arch/arm/boot/dts/at91-sama5d4_xplained.dts
> index ed7fce297738..44d1171c7fc0 100644
> --- a/arch/arm/boot/dts/at91-sama5d4_xplained.dts
> +++ b/arch/arm/boot/dts/at91-sama5d4_xplained.dts
> @@ -110,6 +110,8 @@
> };
>
> usart3: serial@fc00c000 {
> + atmel,use-dma-rx;
> + atmel,use-dma-tx;
> status = "okay";
> };
>
>


--
Nicolas Ferre