Re: OMAP34xx

Grazvydas Ignotas
2012-02-08T10:46:19Z

On Wed, Feb 8, 2012 at 2:53 AM, Kevin Hilman <khilman@ti.com> wrote:
> Kevin Hilman <khilman@ti.com> writes:
>
>> Tony Lindgren <tony@atomide.com> writes:
>>
>> [...]
>>
>>>> Basically, it looks like the OMAP 3 UART is not delivering transmit IRQs
>>>> while in some of the deeper low power modes.
>>>>
>>>> I tried reverting the rest of the patches between this one and HEAD for
>>>> omap-serial.c, but they have no effect what so ever on this bug.  As I
>>>> said in one of my emails in this thread, the above commit can't be
>>>> trivially reverted because some other stuff that the code relied upon
>>>> has vanished.
>>>>
>>>> So, the above along with the other part in arch/arm/mach-omap2/cpuidle34xx.c
>>>> is the smallest 'fix' I could find if resolving the regression.
>>>
>>> OK, thanks, that should be enough info for let Kevin take a look at this.
>>
>> This one is indeed strange.  I have not seen this on the 34xx devices
>> I'm using (3430/n900, 3530/Overo, 3630/Zoom3).
>
> OK, I've reproduced this on v3.3-rc2.
>
> The reason I wasn't seeing this is because I'm using the fixes Paul has
> already posted that fix this problem:
>
>        http://marc.info/?l=linux-arm-kernel&m=132754676814391&w=2
>
> Kevin

But it looks like these are now queued for 3.4 in tty tree?

--
Gražvydas
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