linux-kernel - Re: [PATCH v5 02/14] mfd: max77686: Allow the max77686 rtc to wakeup the system

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Message-ID: <20140627092149.GH19645@lee--X1>
Date:	Fri, 27 Jun 2014 10:21:49 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
Cc:	Samuel Ortiz <sameo@...ux.intel.com>,
	Mark Brown <broonie@...nel.org>,
	Mike Turquette <mturquette@...aro.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Alessandro Zummo <a.zummo@...ertech.it>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Doug Anderson <dianders@...omium.org>,
	Olof Johansson <olof@...om.net>,
	Sjoerd Simons <sjoerd.simons@...labora.co.uk>,
	Daniel Stone <daniels@...labora.com>,
	Tomeu Vizoso <tomeu.vizoso@...labora.com>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Yadwinder Singh Brar <yadi.brar01@...il.com>,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 02/14] mfd: max77686: Allow the max77686 rtc to wakeup
 the system

On Thu, 26 Jun 2014, Javier Martinez Canillas wrote:

> From: Doug Anderson <dianders@...omium.org>
> 
> The max77686 includes an RTC that keeps power during suspend.  It's
> convenient to be able to use it as a wakeup source.
> 
> NOTE: due to wakeup ordering problems this patch alone doesn't work so
> well on exynos5250-snow.  You also need something that brings the i2c
> bus up before the max77686 wakeup runs.
> 
> Signed-off-by: Doug Anderson <dianders@...omium.org>
> Reviewed-by: Javier Martinez Canillas <javier.martinez@...labora.co.uk>
> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
> ---
> 
> Changes since v4: None
> 
> Changes since v3:
>  - Keep the note that this patch needs another change due wakeup
>    ordering problems.
> 
>  drivers/rtc/rtc-max77686.c | 28 ++++++++++++++++++++++++++++
>  1 file changed, 28 insertions(+)

This patch doesn't actually touch the MFD subsystem directly.  Can you
change the $SUBJECT line accordingly please?

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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