Re: [PATCH 02/15] ARM: OMAP: Correct interrupt type for ARM TWD

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




Hi Tony,

On 18/03/16 15:41, Grygorii Strashko wrote:
> On 03/17/2016 04:19 PM, Jon Hunter wrote:
>> The ARM TWD interrupt is a private peripheral interrupt (PPI) and per
>> the ARM GIC documentation, whether the type for PPIs can be set is
>> IMPLEMENTATION DEFINED. For OMAP4 devices the PPI type cannot be set and
>> so when we attempt to set the type for the ARM TWD interrupt it fails.
>> This has done unnoticed because it fails silently and because we cannot
>> re-configure the type it has had no impact. Nevertheless fix the type
>> for the TWD interrupt so that it matches the hardware configuration.
>>
>> Reported-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
>> Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx>
>>
>> ---
>>
>> Tony, Grygorii,
>> Please note that I have not tested this. Can you test this series and
>> see if you see any warnings on OMAP4? I am guessing that the configuration
>> should be LEVEL and not EDGE. This was reported here:
> 
> Tested-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
> 
> Tested on PandaBoard. Without this patch I can see below warning:

I think that you can pick up this fix independently of this series as it
is something that has been broken for sometime and should be fixed. I
included it here for completeness to highlight the issue but if you want
to take it now, please go ahead.

Cheers
Jon
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]
  Powered by Linux