linux-kernel - Re: [PATCH RFC 4/5] mmc: mmci: Add sdio enable mask in variant data

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Message-ID: <CACRpkda2qQ+3eG032Ln2hWYGJ3rkeCwqjvYc9hYBzQFGgGjiOg@mail.gmail.com>
Date:	Wed, 13 Aug 2014 10:55:55 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc:	"linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
	Chris Ball <chris@...ntf.net>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Russell King <linux@....linux.org.uk>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH RFC 4/5] mmc: mmci: Add sdio enable mask in variant data

On Tue, Aug 12, 2014 at 2:05 PM, Srinivas Kandagatla
<srinivas.kandagatla@...aro.org> wrote:

> From: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
>
> This patch adds sdio enable mask in variant data, SOCs like ST have
> special bits in datactrl register to enable sdio. Unconditionally setting
> this bit in this driver breaks other SOCs like Qualcomm which maps this
> bits to something else, so making this enable bit to come from variant
> data solves the issue.
>
> Originally the issue is detected while testing WLAN ath6kl on Qualcomm
> APQ8064.
>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij
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