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: <CAD=FV=WhwEFWqZW8ByQrH3N43X7djMve-23ckqUCZ4EevZC7vw@mail.gmail.com>
Date:	Tue, 7 Apr 2015 08:09:16 -0700
From:	Doug Anderson <dianders@...omium.org>
To:	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
Cc:	Kukjin Kim <kgene@...nel.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

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>
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