linux-kernel - Re: [PATCH v2 08/11] mmc: pwrseq_simple: Add support for a delay

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Message-ID: <CAPDyKFoO6evBoAbEE30XiZg51KsM-sD4viFMvqaDwGoHeVL-6w@mail.gmail.com>
Date:	Wed, 21 Jan 2015 11:44:35 +0100
From:	Ulf Hansson <ulf.hansson@...aro.org>
To:	Stephen Warren <swarren@...dotorg.org>,
	Tomeu Vizoso <tomeu.vizoso@...labora.com>
Cc:	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	Javier Martinez Canillas <javier.martinez@...labora.co.uk>,
	Dylan Reid <dgreid@...omium.org>,
	Simon Glass <sjg@...omium.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Chris Ball <chris@...ntf.net>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-mmc <linux-mmc@...r.kernel.org>
Subject: Re: [PATCH v2 08/11] mmc: pwrseq_simple: Add support for a delay

On 15 January 2015 at 18:33, Stephen Warren <swarren@...dotorg.org> wrote:
> On 01/15/2015 09:12 AM, Tomeu Vizoso wrote:
>>
>> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@...labora.com>
>
>
> Ah, having read the explanation in the next patch, I think ...
>
>> diff --git a/Documentation/devicetree/bindings/mmc/mmc,pwrseq-simple.txt
>> b/Documentation/devicetree/bindings/mmc/mmc,pwrseq-simple.txt
>
>
>> +- delay : delay to wait after driving the reset gpio active [ms].
>
>
> ... delay is the wrong name. reset-pulse-width or reset-pulse-length would
> be better. delay sounds like a delay after resetting the device before it
> can be accessed.

I agree with Stephen's proposal.

This patch needs to be rebased and retested on latest version the
mmc-pwrseq patches. Moreover, if you think the patchset which $subject
patch is a part of is material for 3.20, I will need to share an
immutable branch with the mmc-pwrseq patches for ARM SOC to pull in,
tell me if you need that.

Kind regards
Uffe
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