[PATCH] sa1111: Prevent deadlock in resume path
Pavel Machek
pavel at ucw.cz
Thu Jun 10 09:56:10 EDT 2010
On Wed 2010-05-26 21:18:24, Russell King - ARM Linux wrote:
> On Wed, May 26, 2010 at 09:15:57PM +0200, Marek Vasut wrote:
> > Dne St 26. května 2010 21:14:25 Russell King - ARM Linux napsal(a):
> > > On Wed, May 26, 2010 at 09:11:44PM +0200, Marek Vasut wrote:
> > > > This patch reorganises the sa1111_resume() function in a manner the
> > > > spinlock happens after calling the sa1111_wake(). This fixes two bugs:
> > > >
> > > > 1) This function called sa1111_wake() which tried to claim the same
> > > > spinlock
> > > >
> > > > the sa1111_resume() already claimed. This would result in certain
> > > > deadlock.
> > > >
> > > > Original idea for this part: Russell King <linux at arm.linux.org.uk>
> > > >
> > > > 2) The function didn't unlock the spinlock in case the chip didn't report
> > > >
> > > > correct ID.
> > > >
> > > > Original idea for this part: Julia Lawall <julia at diku.dk>
> > > >
> > > > Signed-off-by: Marek Vasut <marek.vasut at gmail.com>
> > >
> > > Yea, good enough.
> >
> > You want me to fight your patch tracking system or will you just merge it into
> > your tree ?
>
> What do you mean "fight" ? Just send a standard git formatted patch
> to the email address with an additional KernelVersion: tag. It's
> not at all hard.
You are linux kernel maintainer. Start acting as one. It is not at all
hard.
Alternatively, just remove KernelVersion: checking in your
scripts.
Pavel
--
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