linux-kernel - Re: [PATCH v2 1/6] ARM: dts: ifc6410: Add pwrseq support for WLAN

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Date:	Tue, 25 Aug 2015 14:33:13 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
CC:	agross@...eaurora.org, linux-arm-msm@...r.kernel.org,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Russell King <linux@....linux.org.uk>,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/6] ARM: dts: ifc6410: Add pwrseq support for WLAN

On 08/18/2015 06:06 AM, Srinivas Kandagatla wrote:
> @@ -10,6 +11,20 @@
>   		serial1 = &gsbi6_serial;
>   	};
>   
> +	pwrseq {
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges;

Why do we need any of these three properties?

> +		compatible = "simple-bus";
> +
> +		sdcc4_pwrseq: sdcc4_pwrseq {
> +			pinctrl-names = "default";
> +			pinctrl-0 = <&wlan_default_gpios>;
> +			compatible = "mmc-pwrseq-simple";
> +			reset-gpios = <&pm8921_gpio 43 GPIO_ACTIVE_LOW>;

Especially because this node doesn't have a reg property.

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

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