>>>> +static enum dma_status bcm2835_dma_tx_status(struct dma_chan *chan,
>>>> + dma_cookie_t cookie, struct dma_tx_state *txstate)
>>>> +{
>>>
>>> []
>>>
>>>> + } else {
>>>> + txstate->residue = 0;
>>>
>>> Useless assignment since dmaengine will do this for you in
>>> dma_cookie_status.
>>
>> I agree that it is useless, but I think otherwise it might be concealed
>> that there is a third case left that uses a residue of 0. Do you think a
>> comment is better? E.g.:
>>
>> + } else {
>> + /* residue = 0 per default */
>
> I think like in many other DMA drivers either you have separate function
> to get residue, which returns 0, or just not include this case.
You mean like in the omap-dma.c? ;-P
>>>> +static int bcm2835_dma_probe(struct platform_device *pdev)
>>>> +{
>
>>>> + uint32_t chans_available;
>>>
>>> Why uint32_t?
>>
>> Because it is a bit mask of fixed length that directly comes from the
>> firmware.
>
> Like one already told you in your i2s patch, please, change that to
> corresponding u* value, namely u32.
I have no problem with changing that, but why?
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