summaryrefslogtreecommitdiffstats
path: root/arch/arm/boot/dts/at91-sama5d4_xplained.dts
diff options
context:
space:
mode:
authorAlexandre Belloni <alexandre.belloni@free-electrons.com>2017-01-19 01:46:58 +0100
committerAlexandre Belloni <alexandre.belloni@free-electrons.com>2017-01-19 23:00:57 +0100
commitef8d02d4a2c36f7a93e74c95a9c419353b310117 (patch)
treef24c1e3e008085a205ded6491546fd5793f9c14e /arch/arm/boot/dts/at91-sama5d4_xplained.dts
parent21dd0ece34c2a07432a1cd0bbcb4815ce2b49173 (diff)
downloadtalos-obmc-linux-ef8d02d4a2c36f7a93e74c95a9c419353b310117.tar.gz
talos-obmc-linux-ef8d02d4a2c36f7a93e74c95a9c419353b310117.zip
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.dts2
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";
};
OpenPOWER on IntegriCloud