From mboxrd@z Thu Jan 1 00:00:00 1970 From: alexandre.belloni@free-electrons.com (Alexandre Belloni) Date: Thu, 19 Jan 2017 01:46:58 +0100 Subject: [PATCH] ARM: dts: at91: Enable DMA on sama5d4_xplained console Message-ID: <20170119004658.32750-1-alexandre.belloni@free-electrons.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 #v4.1+ Signed-off-by: Alexandre Belloni --- 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 at fc00c000 { + atmel,use-dma-rx; + atmel,use-dma-tx; status = "okay"; }; -- 2.11.0