From: marek.vasut@gmail•com (Marek Vasut)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH] sa1111: Prevent deadlock in resume path
Date: Wed, 26 May 2010 21:15:57 +0200 [thread overview]
Message-ID: <201005262115.57282.marek.vasut@gmail.com> (raw)
In-Reply-To: <20100526191425.GD6232@n2100.arm.linux.org.uk>
Dne St 26. kv?tna 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@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@diku•dk>
> >
> > Signed-off-by: Marek Vasut <marek.vasut@gmail•com>
>
> Yea, good enough.
You want me to fight your patch tracking system or will you just merge it into
your tree ?
next prev parent reply other threads:[~2010-05-26 19:15 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-26 19:11 [PATCH] sa1111: Prevent deadlock in resume path Marek Vasut
2010-05-26 19:14 ` Russell King - ARM Linux
2010-05-26 19:15 ` Marek Vasut [this message]
2010-05-26 20:18 ` Russell King - ARM Linux
2010-05-26 21:33 ` Marek Vasut
2010-05-26 21:42 ` Russell King - ARM Linux
2010-05-26 21:52 ` Marek Vasut
2010-05-26 22:25 ` Russell King - ARM Linux
2010-05-26 22:35 ` Marek Vasut
2010-05-27 3:49 ` Nicolas Pitre
2010-06-10 13:56 ` Pavel Machek
2010-06-10 21:49 ` Marek Vasut
2010-06-10 23:05 ` Russell King - ARM Linux
2010-06-11 12:22 ` Catalin Marinas
2010-06-12 5:36 ` Eric Miao
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