From: w.sang@pengutronix.de (Wolfram Sang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] I2C: OMAP: xfer: fix runtime PM get/put balance on error
Date: Sat, 18 Aug 2012 10:13:00 +0200 [thread overview]
Message-ID: <20120818081300.GE24639@pengutronix.de> (raw)
In-Reply-To: <87wr1b35qb.fsf@ti.com>
On Mon, Aug 06, 2012 at 05:28:44PM -0700, Kevin Hilman wrote:
> Hi Wolfram,
>
> Kevin Hilman <khilman@ti.com> writes:
>
> > In omap_i2c_xfer(), ensure pm_runtime_put() is called, even on
> > failure.
> >
> > Without this, after a failed xfer, the runtime PM usecount will have
> > been incremented, but not decremented causing the usecount to never
> > reach zero after a failure. This keeps the device always runtime PM
> > enabled which keeps the enclosing power domain active, and prevents
> > full-chip retention/off from happening during idle.
> >
> > Cc: Shubhrajyoti D <shubhrajyoti@ti.com>
> > Signed-off-by: Kevin Hilman <khilman@ti.com>
> > ---
> > This patch applies to current i2c-embedded/for-next branch
>
> This one is needed for v3.6. Can you queue this up as a fix for
> v3.6-rc?
Done, applied to -current, thanks!
--
Pengutronix e.K. | Wolfram Sang |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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prev parent reply other threads:[~2012-08-18 8:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-27 1:45 [PATCH] I2C: OMAP: xfer: fix runtime PM get/put balance on error Kevin Hilman
2012-06-27 6:11 ` Shubhrajyoti Datta
2012-06-28 21:55 ` Kevin Hilman
2012-06-29 5:47 ` Shubhrajyoti
2012-08-07 0:28 ` Kevin Hilman
2012-08-18 8:13 ` Wolfram Sang [this message]
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