[1/3] arm: dts: exynos: Add serial path for Rinato board to get earlycon support

Message ID 20180416103537.29518-1-m.szyprowski@samsung.com
State New
Headers show
Series
  • [1/3] arm: dts: exynos: Add serial path for Rinato board to get earlycon support
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Commit Message

Marek Szyprowski April 16, 2018, 10:35 a.m.
Add 'chosen' node with 'stdout-path' property to instruct kernel which
serial driver should be used for kernel console/logs. This allows to
enable earlycon messages by adding just 'earlycon' parameter to kernel
command line.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>

---
 arch/arm/boot/dts/exynos3250-rinato.dts | 4 ++++
 1 file changed, 4 insertions(+)

-- 
2.15.0

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Comments

Krzysztof Kozlowski April 16, 2018, 6:20 p.m. | #1
On Mon, Apr 16, 2018 at 12:35:35PM +0200, Marek Szyprowski wrote:
> Add 'chosen' node with 'stdout-path' property to instruct kernel which

> serial driver should be used for kernel console/logs. This allows to

> enable earlycon messages by adding just 'earlycon' parameter to kernel

> command line.

> 

> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>

> ---

>  arch/arm/boot/dts/exynos3250-rinato.dts | 4 ++++

>  1 file changed, 4 insertions(+)

> 


Thanks, applied.

Best regards,
Krzysztof

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Patch

diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts
index 2c3460781cc6..2a6b828c01b7 100644
--- a/arch/arm/boot/dts/exynos3250-rinato.dts
+++ b/arch/arm/boot/dts/exynos3250-rinato.dts
@@ -24,6 +24,10 @@ 
 		i2c7 = &i2c_max77836;
 	};
 
+	chosen {
+		stdout-path = &serial_1;
+	};
+
 	memory@40000000 {
 		device_type = "memory";
 		reg =  <0x40000000 0x1ff00000>;