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 <sta...@vger.kernel.org> #v4.1+
> Signed-off-by: Alexandre Belloni <alexandre.bell...@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.fe...@atmel.com>
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
