netdev - Re: [PATCH 2/2] ravb: add sleep PM suspend/resume support

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Message-Id: <20160809.161636.2181233072433514866.davem@davemloft.net>
Date:	Tue, 09 Aug 2016 16:16:36 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	niklas.soderlund+renesas@...natech.se
Cc:	netdev@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
	sergei.shtylyov@...entembedded.com, wsa@...-dreams.de
Subject: Re: [PATCH 2/2] ravb: add sleep PM suspend/resume support

From: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>
Date: Wed,  3 Aug 2016 15:56:47 +0200

> The interface would not function after the system had been woken up
> after have been suspended (echo mem > /sys/power/state) cycle. The
> reason for this is that all device registers have been reset to its
> default values. This patch adds sleep suspend and resume functions that
> detached the interface at suspend and restore the registers and reattach
> the interface at resume.
> 
> Only the registers that are only configured at probe time needs to be
> explicitly restored by the resume handler. All other registers are
> reconfigured by either reopening the device in the resume handler (if
> the device was running when the system was suspended) or when the
> interface is opened by a user at a later time.
> 
> Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>

Applied to net-next, thanks.