diff options
| author | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2017-01-19 01:46:58 +0100 |
|---|---|---|
| committer | Sasha Levin <alexander.levin@verizon.com> | 2017-05-15 23:20:14 -0400 |
| commit | 57389faf841fced8919137bb5c094f4bfc71e676 (patch) | |
| tree | cc25c6930e408cd0b5bdcd84622759f47c546fd1 /arch/arm/boot/dts/at91-sama5d4_xplained.dts | |
| parent | 61b067fb433aad18c049c8785bb3210e8a9fe12f (diff) | |
ARM: dts: at91: Enable DMA on sama5d4_xplained console
[ Upstream commit ef8d02d4a2c36f7a93e74c95a9c419353b310117 ]
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+
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Diffstat (limited to 'arch/arm/boot/dts/at91-sama5d4_xplained.dts')
| -rw-r--r-- | arch/arm/boot/dts/at91-sama5d4_xplained.dts | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/at91-sama5d4_xplained.dts b/arch/arm/boot/dts/at91-sama5d4_xplained.dts index 4f29968076ce..dac879788fc6 100644 --- a/arch/arm/boot/dts/at91-sama5d4_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d4_xplained.dts @@ -115,6 +115,8 @@ }; usart3: serial@fc00c000 { + atmel,use-dma-rx; + atmel,use-dma-tx; status = "okay"; }; |