* [PATCH] ARM: dts: at91: Enable DMA on sama5d4_xplained console
@ 2017-01-19 0:46 Alexandre Belloni
2017-01-19 15:23 ` Nicolas Ferre
0 siblings, 1 reply; 2+ messages in thread
From: Alexandre Belloni @ 2017-01-19 0:46 UTC (permalink / raw)
To: Nicolas Ferre
Cc: Kevin Hilman, linux-arm-kernel, linux-kernel, Alexandre Belloni,
stable #v4 . 1+
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@vger.kernel.org> #v4.1+
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
---
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";
};
--
2.11.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ARM: dts: at91: Enable DMA on sama5d4_xplained console
2017-01-19 0:46 [PATCH] ARM: dts: at91: Enable DMA on sama5d4_xplained console Alexandre Belloni
@ 2017-01-19 15:23 ` Nicolas Ferre
0 siblings, 0 replies; 2+ messages in thread
From: Nicolas Ferre @ 2017-01-19 15:23 UTC (permalink / raw)
To: Alexandre Belloni
Cc: Kevin Hilman, linux-arm-kernel, linux-kernel, stable #v4 . 1+
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@vger.kernel.org> #v4.1+
> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@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
^ permalink raw reply [flat|nested] 2+ messages in thread
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2017-01-19 0:46 [PATCH] ARM: dts: at91: Enable DMA on sama5d4_xplained console Alexandre Belloni
2017-01-19 15:23 ` Nicolas Ferre
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