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author | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2017-01-19 00:46:58 (GMT) |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-12 05:41:41 (GMT) |
commit | f9a1949f8ff308d4320a44aa995c7f16ab40cf7f (patch) | |
tree | c2fe9f42bb6a316966e22d5ce988cf4c8bf4520e /arch/arm | |
parent | 37e70c4de51bf80123292f175dfce6b19af9c5d8 (diff) | |
download | linux-f9a1949f8ff308d4320a44aa995c7f16ab40cf7f.tar.xz |
ARM: dts: at91: Enable DMA on sama5d4_xplained console
commit ef8d02d4a2c36f7a93e74c95a9c419353b310117 upstream.
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.
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm')
-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 ed7fce2..44d1171 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@fc00c000 { + atmel,use-dma-rx; + atmel,use-dma-tx; status = "okay"; }; |