From: Dmitry Torokhov <dtor_core@ameritech.net>
To: Nigel Cunningham <ncunningham@cyclades.com>
Cc: Andrew Morton <akpm@osdl.org>, Linux PM <linux-pm@osdl.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Complain if driver reenables interrupts during drivers_[suspend|resume] & re-disable
Date: Wed, 8 Feb 2006 00:40:40 -0500 [thread overview]
Message-ID: <200602080040.41495.dtor_core@ameritech.net> (raw)
In-Reply-To: <200602071906.55281.ncunningham@cyclades.com>
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On Tuesday 07 February 2006 04:06, Nigel Cunningham wrote:
> Hi all.
>
> 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.
>
> I nearly forgot about it in sending patches in suspend2 that might help
> where swsusp fails.
>
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).
--
Dmitry
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WARNING: multiple messages have this Message-ID (diff)
From: Dmitry Torokhov <dtor_core@ameritech.net>
To: Nigel Cunningham <ncunningham@cyclades.com>
Cc: Linux PM <linux-pm@osdl.org>,
linux-kernel@vger.kernel.org, Andrew Morton <akpm@osdl.org>
Subject: Re: [PATCH] Complain if driver reenables interrupts during drivers_[suspend|resume] & re-disable
Date: Wed, 8 Feb 2006 00:40:40 -0500 [thread overview]
Message-ID: <200602080040.41495.dtor_core@ameritech.net> (raw)
In-Reply-To: <200602071906.55281.ncunningham@cyclades.com>
On Tuesday 07 February 2006 04:06, Nigel Cunningham wrote:
> Hi all.
>
> 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.
>
> I nearly forgot about it in sending patches in suspend2 that might help
> where swsusp fails.
>
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).
--
Dmitry
next prev parent reply other threads:[~2006-02-08 5:40 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-07 9:06 [PATCH] Complain if driver reenables interrupts during drivers_[suspend|resume] & re-disable Nigel Cunningham
2006-02-07 9:06 ` Nigel Cunningham
2006-02-07 23:59 ` Russell King
2006-02-07 23:59 ` Russell King
2006-02-08 3:47 ` Benjamin Herrenschmidt
2006-02-08 3:47 ` Benjamin Herrenschmidt
2006-02-08 5:40 ` Dmitry Torokhov [this message]
2006-02-08 5:40 ` Dmitry Torokhov
2006-02-08 6:46 ` Rafael J. Wysocki
2006-02-08 6:46 ` Rafael J. Wysocki
2006-02-08 23:58 ` Nigel Cunningham
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