Subject: [PATCH v2] ARM: EDMA: Fix clearing of unused list for DT DMA resources

From: [email-masked] (Sekhar Nori)
Date: Tue, 30 Jul 2013 10:22:24 +0530

On Tuesday 30 July 2013 09:23 AM, Joel Fernandes wrote:
> On 07/29/2013 02:04 AM, Sekhar Nori wrote:
>> On Sunday 28 July 2013 05:02 AM, Joel Fernandes wrote:
>>> Hi Tony or Sekhar,
>>>
>>> If this patch looks ok, could you pick it up for -rc cycle?
>>>
>>> It fixes DMA breakages after the merge window for devices for which DMA
>>> resources are being populated in device tree instead pdev.
>>
>> But which DT-enabled platform in kernel is using EDMA? A grep for edma
>> over arch/arm/boot/dts/* brings up nothing.
>> Does this really have to go into the -rc cycle or can it wait till
>> v3.12?
> 
> 
> But unused channel list is also populated for private EDMA callers like
> davinci-pcm no? IIRC, HWMOD data is also removed for McASP so EDMA for
> those may break.

Yes, but which DT-enabled platform has davinci-pcm working today?
AFAICS, this bug affects DT-enabled platforms only.

Thanks,
Sekhar