From: Roger Quadros <ext-roger.quadros@nokia.com>
To: "ext Aguirre Rodriguez, Sergio Alberto" <saaguirre@ti.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>,
"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>
Subject: Re: PM: UART not resuming from OFF mode
Date: Mon, 10 Aug 2009 09:50:39 +0300 [thread overview]
Message-ID: <4A7FC33F.8030508@nokia.com> (raw)
In-Reply-To: <A24693684029E5489D1D202277BE89444A57ACAC@dlee02.ent.ti.com>
ext Aguirre Rodriguez, Sergio Alberto wrote:
>
>> -----Original Message-----
>> From: linux-omap-owner@vger.kernel.org [mailto:linux-omap-
>> owner@vger.kernel.org] On Behalf Of Kevin Hilman
>> Sent: Friday, August 07, 2009 11:21 AM
>> To: Roger Quadros
>> Cc: linux-omap@vger.kernel.org
>> Subject: Re: PM: UART not resuming from OFF mode
>>
>> Roger Quadros <ext-roger.quadros@nokia.com> writes:
>>
>>> I'm facing this strange problem since some days. I have 3 identical
>>> boards using OMAP3430 ES3.1 and I'm using Kevin's PM
>>> tree. http://git.kernel.org/?p=linux/kernel/git/khilman/linux-omap-
>> pm.git;a=shortlog;h=pm
>>> The problem is that UART3 fails to operate correctly after OFF mode on
>>> _two_ of the boards but works on one. It seems to receive characters
>>> but 0 only. So characters do not show up on terminal.
>>>
>>> Is anybody experiencing similar problems with UART and off mode on your
>> boards?
>>
>> Is this after suspend-to-OFF or OFF-while-idle?
>>
>> I've experienced this with UART1 on SDP ES3.0, but according to
>> Rajendra it didn't happen on SDP ES3.1 (I don't currently have any
>> ES3.1 hardware) :(
>>
>> Are all of yours ES3.1 ?
>
> Could it be related to board encryption type (GP, EMU, HS)?
The boards on which it is passing and failing are ES3.1 HS.
>
> I'm not an expert on the topic, but I'm just throwing possible variants...
>
> Regards,
> Sergio
>> I haven't tracked it further since I only saw it on my SDP with UART1
>> and not on any other board.
>>
>> Kevin
>>
>>
>>
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-omap" in
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>
prev parent reply other threads:[~2009-08-10 6:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-07 8:55 PM: UART not resuming from OFF mode Roger Quadros
2009-08-07 16:21 ` Kevin Hilman
2009-08-07 16:49 ` Aguirre Rodriguez, Sergio Alberto
2009-08-10 6:50 ` Roger Quadros [this message]
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