[alsa-devel] [PATCH 0/2] Convert davinci ASoC to genalloc SRAM

Daniel Mack zonque at gmail.com
Wed Oct 10 12:02:47 CEST 2012


On 10.10.2012 11:59, Kumar, Anil wrote:
> On Wed, Oct 10, 2012 at 12:34:47, Daniel Mack wrote:
>> On 10.10.2012 08:54, Kumar, Anil wrote:
>>> On Thu, Oct 04, 2012 at 15:45:43, Porter, Matt wrote:
>>>> This series converts davinci ASoC to use genalloc and enables
>>>> that support on DA850. It applies on top of the uio_pruss/genalloc
>>>> series [1] which allows DaVinci to provide a gen_pool via pdata
>>>> for driver use.
>>>>
>>>> I've tested this on the AM180x EVM. Note that prior to this,
>>>> the SRAM paths in the driver were completely unused. I've only
>>>> enabled ping-pong buffering on the platform I can test as it's
>>>> best to allow those with DM644x and similar platforms to set the
>>>> playback/capture sram size to something that's known to work
>>>> for them.
>>>>
>>>> [1] http://www.spinics.net/lists/arm-kernel/msg198854.html
>>>
>>> Tested on DA850 EVM after applying patches from [1] above.
>>> Tested on Linux-torvalds 3.6-rc6 master branch.
>>> Tested ASoC module (aplay & arecord for various frequencies)
>>>
>>> Acked-by: Kumar, Anil <anilkumar.v at ti.com>
>>
>> As you're on it, could you also quickly merge this branch
>>
>>   git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git
>> topic/davinci
>>
>> And see if my recent patches for more McASP flexibility cause any
>> trouble on your hardware?
>>
>>
>> Daniel
>>
>>
> 
> I have merged it with 3.6-rc6 and I have got error at compile time.
> I have fixed this locally with the following patch [1]. 
> Kindly confirm if the patch is correct?

I did the same thing locally, but I considered this a merge conflict.

> With that 
> Tested on DA850 EVM
> Tested on Linux-torvalds 3.6-rc6 master branch merged + [1]
> Tested ASoC module (aplay & arecord for various frequencies)   
> 
> Tested-By: Kumar, Anil <anilkumar.v at ti.com> 

Ok, that's good to hear. Thanks a lot :)


Daniel

> diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
> index 09da4e5..9c02a45 100644
> --- a/include/linux/dmaengine.h
> +++ b/include/linux/dmaengine.h
> @@ -591,7 +591,7 @@ struct dma_device {
>         struct dma_async_tx_descriptor *(*device_prep_dma_cyclic)(
>                 struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len,
>                 size_t period_len, enum dma_transfer_direction direction,
> -               unsigned long flags, void *context);
> +               void *context);
>         struct dma_async_tx_descriptor *(*device_prep_interleaved_dma)(
>                 struct dma_chan *chan, struct dma_interleaved_template *xt,
>                 unsigned long flags);
> @@ -656,7 +656,7 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_cyclic(
>                 size_t period_len, enum dma_transfer_direction dir)
>  {
>         return chan->device->device_prep_dma_cyclic(chan, buf_addr, buf_len,
> -                                               period_len, dir, flags, NULL);
> +                                               period_len, dir, NULL);
>  }
> 



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