diff options
| author | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2017-01-19 01:46:58 +0100 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2017-01-19 23:00:57 +0100 |
| commit | ef8d02d4a2c36f7a93e74c95a9c419353b310117 (patch) | |
| tree | f24c1e3e008085a205ded6491546fd5793f9c14e /arch/arm/boot/dts/at91-sama5d4_xplained.dts | |
| parent | 21dd0ece34c2a07432a1cd0bbcb4815ce2b49173 (diff) | |
ARM: dts: at91: Enable DMA on sama5d4_xplained console
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>
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 91cf69e26aa1..5ab14cedb1db 100644 --- a/arch/arm/boot/dts/at91-sama5d4_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d4_xplained.dts @@ -116,6 +116,8 @@ }; usart3: serial@fc00c000 { + atmel,use-dma-rx; + atmel,use-dma-tx; status = "okay"; }; |