[PATCH] ARM: dts: OMAP4+: Correct L3 interrupts

Santosh Shilimkar santosh.shilimkar at ti.com
Fri Apr 5 19:25:33 EST 2013


On Friday 05 April 2013 01:52 PM, Benoit Cousson wrote:
> Santosh and Jon,
> 
> On 04/05/2013 10:08 AM, Benoit Cousson wrote:
>> On 04/05/2013 08:26 AM, Santosh Shilimkar wrote:
>>> On Thursday 04 April 2013 11:36 PM, Jon Hunter wrote:
>>>> The L3 interrupt numbers are incorrect for OMAP4+ and are conflicting
>>>> with some of the timer interrupts causing the allocation of timer
>>>> interrupts to fail.
>>>>
>>>> The problem is caused by adding 32 to the interrupt number for the L3
>>>> interrupts to account for per processor interrupts (PPI) and software
>>>> generated interrupts (SGI) which typically are mapped to the first 32
>>>> interrupts in the ARM GIC. This is not necessary because the first
>>>> parameter of the ARM GIC interrupt property specifies the GIC interrupt
>>>> type (ie. SGI, PPI, etc). Hence, fix the interrupt number fo the L3
>>>> interrupts by substracting 32.
>>>>
>>>> Cc: Santosh Shilimkar <santosh.shilimkar at ti.com>
>>>> Signed-off-by: Jon Hunter <jon-hunter at ti.com>
>>>> ---
>>>>
>>>> Please note that this problem is observed in Benoit's for_3.10/dts branch [1].
>>>>
>>>> [1] http://git.kernel.org/cgit/linux/kernel/git/bcousson/linux-omap-dt.git
>>>>
>>> Thats correct. I overlooked the 32 addition part. This patch should
>>> also be pulled into Benoit's 3.10 tree.
>>
>> Done. I've just applied it. But I will probably merge it with the
>> original patch, because having a broken patch and the fix in the same
>> pull request does not look right.
> 
> Please find below the fixed version.
> 
Thanks Benoit. Patch looks fine to me.

Regards,
Santosh



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