linux-kernel - Re: [PATCH 2/2] mmc: mediatek: Use mmc_regulator_set_vqmmc in start_signal_voltage

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Date:	Thu, 3 Mar 2016 09:57:37 -0800
From:	Doug Anderson <dianders@...omium.org>
To:	Nicolas Boichat <drinkcat@...omium.org>
Cc:	Ulf Hansson <ulf.hansson@...aro.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Chaotian Jing <chaotian.jing@...iatek.com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	"linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"moderated list:ARM/Mediatek SoC support" 
	<linux-mediatek@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] mmc: mediatek: Use mmc_regulator_set_vqmmc in start_signal_voltage_switch

Nicolas,

On Thu, Mar 3, 2016 at 2:19 AM, Nicolas Boichat <drinkcat@...omium.org> wrote:
> We've introduced a new helper in the MMC core:
> mmc_regulator_set_vqmmc().  Let's use this in mtk-sd.  Using this new
> helper has some advantages:
>
>     1. We get the mmc_regulator_set_vqmmc() behavior of trying to match
>        VQMMC and VMMC when the signal voltage is 3.3V.  This ensures max
>        compatibility.
>
>     2. We get rid of a few more warnings when probing unsupported
>        voltages.
>
>     3. We get rid of some non-mediatek specific code in mtk-sd.
>
> Signed-off-by: Nicolas Boichat <drinkcat@...omium.org>
> ---
>
> Similar to e0848f5d294c703917260a6228cc08b8be46c527
> mmc: dw_mmc: Use mmc_regulator_set_vqmmc in start_signal_voltage_switch ,
> where I copied the commit message from.
>
>  drivers/mmc/host/mtk-sd.c | 17 +++++------------
>  1 file changed, 5 insertions(+), 12 deletions(-)

Reviewed-by: Douglas Anderson <dianders@...omium.org>