Re: [PATCH] ARM: dts: exynos: Use stdout non-deprecated property and add serial options to Odroid XU/XU3/XU4

From: Mark Rutland
Date: Wed Aug 17 2016 - 06:31:45 EST


On Wed, Aug 17, 2016 at 09:34:58AM +0200, Krzysztof Kozlowski wrote:
> The "linux,stdout-path" is deprecated.
>
> Add serial options so the console can be properly configured when
> bootloader does not pass "console" parameter to command line. Without
> options and lack of "console", the serial output dies during boot (just
> after probing sound).

I'm confused. Is this just a cleanup (given "linux,stdout-path" is
deprecated but still supported), or a bug fix?

I guess that prior to this patch Linux might change the rate of the
console, but otherwise it should work.

Mark.

>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
> ---
> arch/arm/boot/dts/exynos5410-odroidxu.dts | 2 +-
> arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/boot/dts/exynos5410-odroidxu.dts b/arch/arm/boot/dts/exynos5410-odroidxu.dts
> index f6d135245a4b..a5ae76c1838f 100644
> --- a/arch/arm/boot/dts/exynos5410-odroidxu.dts
> +++ b/arch/arm/boot/dts/exynos5410-odroidxu.dts
> @@ -26,7 +26,7 @@
> };
>
> chosen {
> - linux,stdout-path = &serial_2;
> + stdout-path = "serial2:115200n8";
> };
>
> emmc_pwrseq: pwrseq {
> diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
> index d56253049ccb..d04490d40b07 100644
> --- a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
> +++ b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
> @@ -26,7 +26,7 @@
> };
>
> chosen {
> - linux,stdout-path = &serial_2;
> + stdout-path = "serial2:115200n8";
> };
>
> firmware@02073000 {
> --
> 1.9.1
>
> --
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