From: Andrejs Cainikovs andrejs.cainikovs@toradex.com
Newer variants of Ixora boards require a power-up delay when powering up the CAN transceiver of up to 1ms.
Cc: stable@vger.kernel.org Signed-off-by: Andrejs Cainikovs andrejs.cainikovs@toradex.com --- arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts b/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts index 717decda0ceb..3ac7a4501620 100644 --- a/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts +++ b/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts @@ -76,6 +76,7 @@ reg_can1_supply: regulator-can1-supply { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enable_can1_power>; regulator-name = "can1_supply"; + startup-delay-us = <1000>; };
reg_can2_supply: regulator-can2-supply { @@ -85,6 +86,7 @@ reg_can2_supply: regulator-can2-supply { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enable_can2_power>; regulator-name = "can2_supply"; + startup-delay-us = <1000>; }; };
On Fri, Oct 20, 2023 at 05:30:22PM +0200, Andrejs Cainikovs wrote:
From: Andrejs Cainikovs andrejs.cainikovs@toradex.com
Newer variants of Ixora boards require a power-up delay when powering up the CAN transceiver of up to 1ms.
Cc: stable@vger.kernel.org
Why is only the iMX6 change required for stable?
Shawn
Signed-off-by: Andrejs Cainikovs andrejs.cainikovs@toradex.com
arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts b/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts index 717decda0ceb..3ac7a4501620 100644 --- a/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts +++ b/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts @@ -76,6 +76,7 @@ reg_can1_supply: regulator-can1-supply { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enable_can1_power>; regulator-name = "can1_supply";
};startup-delay-us = <1000>;
reg_can2_supply: regulator-can2-supply { @@ -85,6 +86,7 @@ reg_can2_supply: regulator-can2-supply { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enable_can2_power>; regulator-name = "can2_supply";
};startup-delay-us = <1000>;
}; -- 2.34.1
On Mon, Nov 27, 2023 at 10:52:18AM +0800, Shawn Guo wrote:
On Fri, Oct 20, 2023 at 05:30:22PM +0200, Andrejs Cainikovs wrote:
From: Andrejs Cainikovs andrejs.cainikovs@toradex.com
Newer variants of Ixora boards require a power-up delay when powering up the CAN transceiver of up to 1ms.
Cc: stable@vger.kernel.org
Why is only the iMX6 change required for stable?
From what I know currently apalis-imx8 is not yet used in products with a mainline kernel therefore the assumption that the backporting would add very small value, however maybe is better to just backport both to stable.
Francesco
linux-stable-mirror@lists.linaro.org