From: Simon Horman <horms@verge.net.au>
To: Tejun Heo <tj@kernel.org>
Cc: linux-renesas-soc@vger.kernel.org, linux-ide@vger.kernel.org,
Magnus Damm <magnus.damm@gmail.com>,
Khiem Nguyen <khiem.nguyen.xt@rvc.renesas.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH/RFT] sata: rcar_sata: Reset SATA PHY on resume
Date: Tue, 18 Apr 2017 16:30:42 +0900 [thread overview]
Message-ID: <20170418073042.GB16340@verge.net.au> (raw)
In-Reply-To: <20170418071738.GD3899@wtj.duckdns.org>
On Tue, Apr 18, 2017 at 04:17:38PM +0900, Tejun Heo wrote:
> On Tue, Apr 18, 2017 at 04:02:53PM +0900, Simon Horman wrote:
> > In the case where power is cut on suspend the SATA PHY state needs to be
> > suspended on resume.
> ^
> re-initialized?
Yes, sorry for the think-o.
> > This is the case on the Salvator-X board with the r8a7795 or r8a7796 SoC.
> > In that environment it has been observed that SATA partitions cannot not be
> > accessed on resume.
> >
> > Based on work by Khiem Nguyen.
> >
> > Cc: Khiem Nguyen <khiem.nguyen.xt@rvc.renesas.com>
> > Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
> > ---
> > * Compile and boot tested only
>
> Can somebody verify this fix?
Yes, I should be able to do so but I need to set up the appropriate
hardware environment first. I would, of course, welcome verification by
others.
next prev parent reply other threads:[~2017-04-18 7:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-18 7:02 [PATCH/RFT] sata: rcar_sata: Reset SATA PHY on resume Simon Horman
2017-04-18 7:17 ` Tejun Heo
2017-04-18 7:30 ` Simon Horman [this message]
2017-04-18 9:20 ` Sergei Shtylyov
2017-04-20 9:05 ` Simon Horman
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