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[PATCH] ARM: dts: at91: Enable DMA on sama5d2_xplained console

Started byAlexandre Belloni <alexandre.belloni@free-electrons.com>
First post2017-01-19 23:10 +0100
Last post2017-01-20 16:50 +0100
Articles 2 — 2 participants

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  [PATCH] ARM: dts: at91: Enable DMA on sama5d2_xplained console Alexandre Belloni <alexandre.belloni@free-electrons.com> - 2017-01-19 23:10 +0100
    Re: [PATCH] ARM: dts: at91: Enable DMA on sama5d2_xplained console Nicolas Ferre <nicolas.ferre@atmel.com> - 2017-01-20 16:50 +0100

#1563125 — [PATCH] ARM: dts: at91: Enable DMA on sama5d2_xplained console

FromAlexandre Belloni <alexandre.belloni@free-electrons.com>
Date2017-01-19 23:10 +0100
Subject[PATCH] ARM: dts: at91: Enable DMA on sama5d2_xplained console
Message-ID<t1t46-7iz-21@gated-at.bofh.it>
Enable DMA on uart1 to get a more reliable console.

Cc: stable <stable@vger.kernel.org> #v4.3+
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
---
 arch/arm/boot/dts/at91-sama5d2_xplained.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
index 0b9a59d5fdac..30fac04289a5 100644
--- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
@@ -148,6 +148,8 @@
 			uart1: serial@f8020000 {
 				pinctrl-names = "default";
 				pinctrl-0 = <&pinctrl_uart1_default>;
+				atmel,use-dma-rx;
+				atmel,use-dma-tx;
 				status = "okay";
 			};
 
-- 
2.11.0

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#1563730

FromNicolas Ferre <nicolas.ferre@atmel.com>
Date2017-01-20 16:50 +0100
Message-ID<t1JBU-CL-23@gated-at.bofh.it>
In reply to#1563125
Le 19/01/2017 à 15:05, Alexandre Belloni a écrit :
> Enable DMA on uart1 to get a more reliable console.
> 
> Cc: stable <stable@vger.kernel.org> #v4.3+
> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

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

> ---
>  arch/arm/boot/dts/at91-sama5d2_xplained.dts | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
> index 0b9a59d5fdac..30fac04289a5 100644
> --- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
> +++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
> @@ -148,6 +148,8 @@
>  			uart1: serial@f8020000 {
>  				pinctrl-names = "default";
>  				pinctrl-0 = <&pinctrl_uart1_default>;
> +				atmel,use-dma-rx;
> +				atmel,use-dma-tx;
>  				status = "okay";
>  			};
>  
> 


-- 
Nicolas Ferre

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