From: LW@KARO-electronics.de (Lothar Waßmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 2/2] ARM: dts: tx6: Remove 'enable-active-low' property
Date: Wed, 24 May 2017 11:07:27 +0200 [thread overview]
Message-ID: <20170524110727.42dbb58d@ipc1.ka-ro> (raw)
In-Reply-To: <1495553564-19112-2-git-send-email-fabio.estevam@nxp.com>
Fabio Estevam <fabio.estevam@nxp.com> wrote:
> Property 'enable-active-low' does not exist. Only 'enable-active-high' is
> valid, and when this property is absent the gpio regulator will act as
> active low by default.
>
> So remove the unexisting 'enable-active-low' property.
>
> Currently the GPIO flag is GPIO_ACTIVE_HIGH. In order to make
> the dts description accurate, pass the GPIO_ACTIVE_LOW flag instead.
>
> This change is safe because the gpio regulator driver does not take the
> GPIO flag polarity into account.
>
> Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
> ---
> Changes since v1:
> - Improve commit log and explain why this change is safe (Stefan).
>
> arch/arm/boot/dts/imx6qdl-tx6.dtsi | 3 +--
> arch/arm/boot/dts/imx6ul-tx6ul.dtsi | 3 +--
> 2 files changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm/boot/dts/imx6qdl-tx6.dtsi b/arch/arm/boot/dts/imx6qdl-tx6.dtsi
> index 1691714..a146fe7 100644
> --- a/arch/arm/boot/dts/imx6qdl-tx6.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-tx6.dtsi
> @@ -133,8 +133,7 @@
> regulator-max-microvolt = <3300000>;
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_flexcan_xcvr>;
> - gpio = <&gpio4 21 GPIO_ACTIVE_HIGH>;
> - enable-active-low;
> + gpio = <&gpio4 21 GPIO_ACTIVE_LOW>;
> };
>
> reg_lcd0_pwr: regulator-lcd0-pwr {
> diff --git a/arch/arm/boot/dts/imx6ul-tx6ul.dtsi b/arch/arm/boot/dts/imx6ul-tx6ul.dtsi
> index c784a0b..4ccc9e9 100644
> --- a/arch/arm/boot/dts/imx6ul-tx6ul.dtsi
> +++ b/arch/arm/boot/dts/imx6ul-tx6ul.dtsi
> @@ -173,8 +173,7 @@
> regulator-max-microvolt = <3300000>;
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_flexcan_xcvr>;
> - gpio = <&gpio3 5 GPIO_ACTIVE_HIGH>;
> - enable-active-low;
> + gpio = <&gpio3 5 GPIO_ACTIVE_LOW>;
> };
>
> reg_lcd_pwr: regulator-lcdpwr {
Acked-by: Lothar Wa?mann <LW@KARO-electronics.de>
Thanks for the cleanup,
Lothar Wa?mann
--
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next prev parent reply other threads:[~2017-05-24 9:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-23 15:32 [PATCH v2 1/2] ARM: dts: imx23-sansa: Remove 'enable-active-low' property Fabio Estevam
2017-05-23 15:32 ` [PATCH v2 2/2] ARM: dts: tx6: " Fabio Estevam
2017-05-24 9:07 ` Lothar Waßmann [this message]
2017-05-25 7:56 ` [PATCH v2 1/2] ARM: dts: imx23-sansa: " Shawn Guo
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