From: Nigel Cunningham <ncunningham@cyclades.com>
Organization: Cyclades Corporation
To: Dmitry Torokhov <dtor_core@ameritech.net>
Subject: Re: [PATCH] Complain if driver reenables interrupts during drivers_[suspend|resume] & re-disable
Date: Thu, 9 Feb 2006 09:58:57 +1000
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Cc: Linux PM <linux-pm@osdl.org>, linux-kernel@vger.kernel.org,
       Andrew Morton <akpm@osdl.org>
References: <200602071906.55281.ncunningham@cyclades.com> <200602080040.41495.dtor_core@ameritech.net>
In-Reply-To: <200602080040.41495.dtor_core@ameritech.net>
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Hi Dmitry et al.

On Wednesday 08 February 2006 15:40, Dmitry Torokhov wrote:
> On Tuesday 07 February 2006 04:06, Nigel Cunningham wrote:
> > Hi all.
> >=20
> > This patch is designed to help with diagnosing and fixing the cause of
> > problems in suspending/resuming, due to drivers wrongly re-enabling
> > interrupts in their .suspend or .resume methods.=20
> >=20
> > I nearly forgot about it in sending patches in suspend2 that might help
> > where swsusp fails.
> >=20
>=20
> Only sysdevs are guaranteed to be suspebded/resumed with interrupts off,
> other devices are suspended with interrupts on (at least on first pass
> over device list).

Ok. I guess I missed that outcome of that discussion. Sorry for the=20
bogusness :(. Is the sysdev bit useful at all?

Regards,

Nigel

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