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Message-ID: <alpine.DEB.2.00.1209160117510.23371@utopia.booyaka.com>
Date: Sun, 16 Sep 2012 01:22:01 +0000 (UTC)
From: Paul Walmsley <paul@...an.com>
To: Felipe Balbi <balbi@...com>,
Shubhrajyoti Datta <shubhrajyoti@...com>
cc: Greg KH <gregkh@...uxfoundation.org>, alan@...ux.intel.com,
Tony Lindgren <tony@...mide.com>,
Kevin Hilman <khilman@...com>,
Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
Linux ARM Kernel Mailing List
<linux-arm-kernel@...ts.infradead.org>,
linux-serial@...r.kernel.org,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Santosh Shilimkar <santosh.shilimkar@...com>,
Sourav Poddar <sourav.poddar@...com>
Subject: Re: [PATCH v4 00/21] OMAP UART Patches
On Wed, 12 Sep 2012, Felipe Balbi wrote:
> On Tue, Sep 11, 2012 at 10:02:48PM +0000, Paul Walmsley wrote:
>
> > The bad news is that N800 no longer boots -- or the UART dies during
> > serial init:
> >
> > http://www.pwsan.com/omap/testlogs/test_tty_next_e36851d0/20120910020323/boot/2420n800/2420n800_log.txt
> >
> > The problem doesn't seem to affect the 2430SDP.
> >
> > Could you put together a patch to fix N800?
Bisected this down. It's this one that causes the problem on N800:
commit 93220dcc3052182e7156c09655ad1316055564b9
Author: Felipe Balbi <balbi@...com>
Date: Thu Sep 6 15:45:27 2012 +0300
serial: omap: set dev->drvdata before enabling pm_runtime
by the time we call our first pm_runtme_get_sync()
after enable pm_runtime, our resume method might
be called. To avoid problems, we must make sure
that our dev->drvdata is set correctly before
our resume method gets called.
Tested-by: Shubhrajyoti D <shubhrajyoti@...com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@...com>
Signed-off-by: Felipe Balbi <balbi@...com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
- Paul
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