I.MX35 GPIO IRQ + Preempt -> Oops
Eric Bénard
eric at eukrea.com
Mon Oct 4 08:07:32 EDT 2010
Hi Uwe,
Le 04/10/2010 10:08, Eric Bénard a écrit :
> Le 04/10/2010 09:39, Uwe Kleine-König a écrit :
>> On Sun, Oct 03, 2010 at 07:15:21PM +0200, Eric Bénard wrote:
>>> Le 03/10/2010 18:20, Russell King - ARM Linux a écrit :
>>> the FIQ is used for the imx-ssi driver.
>>>
>>> It seems that removing the cpu_do_idle() call in
>>> plat-mxc/include/mach/system.h "fix" the problem.
>> hmmm
>>
>> Does deselecting imx-ssi "fixes" the problem, too?
>>
> not tested yet.
>
same problem with audio layer (and thus FIQ) disabled.
Also : same problem with Freescale's BSP (2.6.31 based) and same "fix"
(removing the WFI).
Eric
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