From: David Miller <davem@davemloft.net>
To: niklas.soderlund+renesas@ragnatech.se
Cc: netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
sergei.shtylyov@cogentembedded.com, wsa@the-dreams.de
Subject: Re: [PATCH 2/2] ravb: add sleep PM suspend/resume support
Date: Tue, 09 Aug 2016 16:16:36 -0700 (PDT) [thread overview]
Message-ID: <20160809.161636.2181233072433514866.davem@davemloft.net> (raw)
In-Reply-To: <20160803135647.23242-3-niklas.soderlund+renesas@ragnatech.se>
From: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.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@ragnatech.se>
Applied to net-next, thanks.
next prev parent reply other threads:[~2016-08-09 23:16 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-03 13:56 [PATCH 0/2] ravb: add sleep PM suspend/resume support Niklas Söderlund
2016-08-03 13:56 ` [PATCH 1/2] ravb: use SET_RUNTIME_PM_OPS macro Niklas Söderlund
2016-08-04 13:33 ` Geert Uytterhoeven
2016-08-04 15:28 ` Niklas Söderlund
2016-08-03 13:56 ` [PATCH 2/2] ravb: add sleep PM suspend/resume support Niklas Söderlund
2016-08-09 23:16 ` David Miller [this message]
2016-08-10 10:47 ` Sergei Shtylyov
2016-08-10 17:43 ` David Miller
2016-08-10 10:40 ` Sergei Shtylyov
2016-08-10 10:58 ` Niklas Söderlund
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