linux-kernel - Re: [PATCH 1/1] ARM: dts: Add keep-power-in-suspend to WiFi SDIO node for Peach Boards

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Message-ID: <552E1C39.4070104@collabora.co.uk>
Date:	Wed, 15 Apr 2015 10:07:21 +0200
From:	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
To:	Kukjin Kim <kgene@...nel.org>
CC:	Doug Anderson <dianders@...omium.org>,
	Olof Johansson <olof@...om.net>,
	Kevin Hilman <khilman@...aro.org>,
	Tyler Baker <tyler.baker@...aro.org>,
	Abhilash Kesavan <kesavan.abhilash@...il.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] ARM: dts: Add keep-power-in-suspend to WiFi SDIO
 node for Peach Boards

Hello Kukjin,

On 04/07/2015 05:09 PM, Doug Anderson wrote:
> Javier,
> 
> On Tue, Apr 7, 2015 at 6:03 AM, Javier Martinez Canillas
> <javier.martinez@...labora.co.uk> wrote:
>> The Marvell mwifiex driver prevents the system to enter into a suspend
>> state if the card power is not preserved during a suspend/resume cycle.
>>
>> So Suspend-to-RAM and Suspend-to-idle is failing on Exynos5800 Peach Pi
>> and Exynos5420 Peach Pit Chromebooks.
>>
>> Add the keep-power-in-suspend Power Management property to the SDIO/MMC
>> node so the mwifiex suspend handler doesn't fail and the system is able
>> to enter into a suspend state.
>>
>> Signed-off-by: Javier Martinez Canillas <javier.martinez@...labora.co.uk>
>> ---
>>  arch/arm/boot/dts/exynos5420-peach-pit.dts | 1 +
>>  arch/arm/boot/dts/exynos5800-peach-pi.dts  | 1 +
>>  2 files changed, 2 insertions(+)
> 
> Reviewed-by: Doug Anderson <dianders@...omium.org>
> 

Any comments on this patch?

Best regards,
Javier
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