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Message-ID: <21d7e997050723154057d36290@mail.gmail.com>
Date: Sun, 24 Jul 2005 08:40:00 +1000
From: Dave Airlie <airlied@gmail.com>
Reply-To: Dave Airlie <airlied@gmail.com>
To: Zwane Mwaikambo <zwane@arm.linux.org.uk>
Subject: Re: fix suspend/resume irq request free for yenta..
Cc: Russell King <rmk+lkml@arm.linux.org.uk>, Pavel Machek <pavel@ucw.cz>,
       Dmitry Torokhov <dtor_core@ameritech.net>, linux-kernel@vger.kernel.org,
       Dave Airlie <airlied@linux.ie>
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.
> >
> > What if some other driver is sharing the IRQ, and requires IRQs to be
> > enabled for the resume to complete?

All drivers re-enable IRQs on their way back up in their resume code,
they shouldn't be doing anything before that point..

> This certainly is the case on many laptops.

Well at the moment on my laptop without this patch we don't make it
back, and we've done a lot of talking at OLS about this.. patches like
this will be popping up for most drivers soon....

Dave.