From: Mark Rutland <mark.rutland@arm.com>
To: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
linux-kernel@vger.kernel.org,
Krzysztof Kozlowski <krzk@kernel.org>,
Kukjin Kim <kgene@kernel.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ARM: dts: exynos: Use stdout non-deprecated property and add serial options to Odroid XU/XU3/XU4
Date: Wed, 17 Aug 2016 11:25:06 +0100 [thread overview]
Message-ID: <20160817102506.GD30900@leverpostej> (raw)
In-Reply-To: <1471419298-10414-1-git-send-email-k.kozlowski@samsung.com>
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@samsung.com>
> ---
> 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
>
> --
> To unsubscribe from this list: send the line "unsubscribe devicetree" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
WARNING: multiple messages have this Message-ID (diff)
From: mark.rutland@arm.com (Mark Rutland)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: dts: exynos: Use stdout non-deprecated property and add serial options to Odroid XU/XU3/XU4
Date: Wed, 17 Aug 2016 11:25:06 +0100 [thread overview]
Message-ID: <20160817102506.GD30900@leverpostej> (raw)
In-Reply-To: <1471419298-10414-1-git-send-email-k.kozlowski@samsung.com>
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@samsung.com>
> ---
> 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 at 02073000 {
> --
> 1.9.1
>
> --
> To unsubscribe from this list: send the line "unsubscribe devicetree" in
> the body of a message to majordomo at vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
WARNING: multiple messages have this Message-ID (diff)
From: Mark Rutland <mark.rutland@arm.com>
To: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: Kukjin Kim <kgene@kernel.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Subject: Re: [PATCH] ARM: dts: exynos: Use stdout non-deprecated property and add serial options to Odroid XU/XU3/XU4
Date: Wed, 17 Aug 2016 11:25:06 +0100 [thread overview]
Message-ID: <20160817102506.GD30900@leverpostej> (raw)
In-Reply-To: <1471419298-10414-1-git-send-email-k.kozlowski@samsung.com>
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@samsung.com>
> ---
> 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
>
> --
> To unsubscribe from this list: send the line "unsubscribe devicetree" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
next prev parent reply other threads:[~2016-08-17 10:25 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-17 7:34 [PATCH] ARM: dts: exynos: Use stdout non-deprecated property and add serial options to Odroid XU/XU3/XU4 Krzysztof Kozlowski
2016-08-17 7:34 ` Krzysztof Kozlowski
2016-08-17 10:25 ` Mark Rutland [this message]
2016-08-17 10:25 ` Mark Rutland
2016-08-17 10:25 ` Mark Rutland
2016-08-17 10:28 ` Krzysztof Kozlowski
2016-08-17 10:28 ` Krzysztof Kozlowski
2016-08-17 10:39 ` Mark Rutland
2016-08-17 10:39 ` Mark Rutland
[not found] ` <1471419298-10414-1-git-send-email-k.kozlowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2016-08-17 15:23 ` Javier Martinez Canillas
2016-08-17 15:23 ` Javier Martinez Canillas
2016-08-17 15:23 ` Javier Martinez Canillas
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