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From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: linux-sh@vger.kernel.org
Subject: Re: [PATCH] sh_eth: ensure pm_runtime cannot suspend the device during init
Date: Fri, 14 Mar 2014 19:06:31 +0000	[thread overview]
Message-ID: <53236143.4000501@cogentembedded.com> (raw)
In-Reply-To: <1394823605-31883-1-git-send-email-ben.dooks@codethink.co.uk>

Hello.

On 03/14/2014 10:01 PM, Ben Dooks wrote:

>> It seems the pm_rumtime work queue is causing the device to be suspended
>> during initialisation, thus the initialisation may not be able to access
>> registers properly. Use pm_runtime_get_sync() and pm_runtime_put_sync()
>> to ensure that the pm system does not suspend it during the probe() call.

> If this work's for Geert then I'll look into updating the header and
> sending it to the netdev list.

    I keep wondering why I'm seeing no issues in my setup... I don't have 
drivers/sh/ patch and have CONFIG_PM_RUNTIME=y. Seeing no issues on 
multiplatform kernels on neither Lager nor Koelsch (however, other platforms 
are not enabled).

WBR, Sergei



  parent reply	other threads:[~2014-03-14 19:06 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-14 19:00 [PATCH] sh_eth: ensure pm_runtime cannot suspend the device during init Ben Dooks
2014-03-14 19:01 ` Ben Dooks
2014-03-14 19:06 ` Sergei Shtylyov [this message]
2014-03-14 19:19 ` Ben Dooks
2014-03-14 21:13 ` Sergei Shtylyov
2014-03-15 11:19 ` Laurent Pinchart
2014-03-17  9:22 ` Geert Uytterhoeven
2014-03-17  9:41 ` Ben Dooks
2014-03-17 11:20 ` Ben Dooks
2014-03-17 11:35 ` Laurent Pinchart
2014-03-17 11:37 ` Ben Dooks
2014-03-17 11:37   ` Ben Dooks
2014-03-17 13:01   ` Sergei Shtylyov
2014-03-17 13:01     ` Sergei Shtylyov
2014-03-17 13:07     ` Ben Dooks
2014-03-17 20:23   ` Laurent Pinchart
2014-03-17 20:23     ` Laurent Pinchart
2014-03-17 21:30     ` Sergei Shtylyov
2014-03-17 22:30       ` Sergei Shtylyov
2014-03-17 21:34       ` Laurent Pinchart
2014-03-17 21:34         ` Laurent Pinchart
2014-03-17 22:09         ` Sergei Shtylyov
2014-03-17 23:09           ` Sergei Shtylyov
2014-03-17 11:40 ` Ben Dooks
2014-03-17 11:53 ` Laurent Pinchart
2014-03-17 12:56 ` Ben Dooks
2014-03-17 13:27 ` Laurent Pinchart
2014-03-17 13:36 ` Ben Dooks
2014-03-17 13:38 ` Geert Uytterhoeven
2014-03-17 13:41 ` Laurent Pinchart
2014-03-17 13:43 ` Geert Uytterhoeven
2014-03-17 13:44 ` Ben Dooks
2014-03-17 13:54 ` Laurent Pinchart
2014-03-17 14:01 ` Ben Dooks
2014-03-17 14:02 ` Geert Uytterhoeven
2014-03-17 14:15 ` Sergei Shtylyov
2014-03-18 20:17 ` Sergei Shtylyov
2014-03-18 20:45 ` Laurent Pinchart
2014-03-18 21:48 ` Sergei Shtylyov
2014-03-19  8:19 ` Ben Dooks
2014-03-19 10:17 ` Laurent Pinchart

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