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From: Kevin Hilman <khilman@deeprootsystems.com>
To: Mike Rapoport <mike@compulab.co.il>
Cc: Peter Tseng <tsenpet09@gmail.com>,
	"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
	Han Wang <hw342@cornell.edu>
Subject: Re: Overo serial problems after resume, vs. Beagleboard
Date: Tue, 22 Jun 2010 07:31:00 -0700	[thread overview]
Message-ID: <87zkynnnq3.fsf@deeprootsystems.com> (raw)
In-Reply-To: <4C207A9C.7070309@compulab.co.il> (Mike Rapoport's message of "Tue\, 22 Jun 2010 11\:55\:56 +0300")

Mike Rapoport <mike@compulab.co.il> writes:

> Kevin Hilman wrote:
>> Peter Tseng <tsenpet09@gmail.com> writes:
>>
>>> I am seeing some discrepancies between the Overo (I believe I have a
>>> Water) and the Beagleboard (I have a Rev. B5) when resuming after a
>>> suspend to RAM.
>>
>> Not that it is much comfort, but I have the same problem on Overo but
>> don't see it on any other OMAP3 board.
>>
>> I have yet to debug this particular issue further.
>
> I had the same issue on CM-T35 and when I've disabled CONFIG_CPU_IDLE
> in the kernel configuration the issue disappeared. Maybe it'll be of
> some help.

That just masks the problem by not auto-gating the UART clocks.

Kevin


  parent reply	other threads:[~2010-06-22 14:31 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-21 17:04 Overo serial problems after resume, vs. Beagleboard Peter Tseng
2010-06-21 17:40 ` Kevin Hilman
2010-06-22  7:34   ` Robert Lukassen
2010-06-22  8:55   ` Mike Rapoport
2010-06-22  9:06     ` Vladimir Pantelic
2010-06-22  9:37     ` Robert Lukassen
2010-06-22 14:31     ` Kevin Hilman [this message]
2010-06-23  5:46       ` Mike Rapoport
2010-08-10 23:57       ` Kevin Hilman

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