linux-kernel - Re: [PATCH v2 4/4] ARM: dts: exynos4412-trats: Add suspend configuration for max77686 regulators

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Message-ID: <54464BC1.40201@collabora.co.uk>
Date:	Tue, 21 Oct 2014 14:04:17 +0200
From:	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org,
	Ben Dooks <ben-linux@...ff.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Russell King <linux@....linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org
CC:	Kyungmin Park <kyungmin.park@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Chanwoo Choi <cw00.choi@...sung.com>
Subject: Re: [PATCH v2 4/4] ARM: dts: exynos4412-trats: Add suspend configuration
 for max77686 regulators

Hello Krzysztof,

On 10/21/2014 01:23 PM, Krzysztof Kozlowski wrote:
> Add suspend to RAM configuration for max77686 regulators. Some LDOs and
> bucks are disabled. This reduces energy consumption during S2R,
> approximately from 17 mA to 9 mA.
> 
> Additionally remove old and not supported bindings:
>  - regulator-mem-off
>  - regulator-mem-idle
>  - regulator-mem-on
> The max77686 driver does not parse them and they are not documented
> anywere.
> 
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
> ---
>  arch/arm/boot/dts/exynos4412-trats2.dts | 72 +++++++++++++++++++--------------
>  1 file changed, 42 insertions(+), 30 deletions(-)
> 

I'm not familiar with the board but the change looks good to me assuming each
regulator is doing the right thing.

I already gave you my Reviewed-by for the previous version but was not carried:

Reviewed-by: Javier Martinez Canillas <javier.martinez@...labora.co.uk>

Best regards,
Javier
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