RE: [PATCH v6 3/5] mmc: davinci_mmc: add DT support

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Hi Arnd,

On Wed, Mar 20, 2013 at 18:56:09, Arnd Bergmann wrote:
> On Wednesday 20 March 2013, Manjunathappa, Prakash wrote:
> > Adds device tree support for davinci_mmc. Also add binding documentation.
> > As of now in non-dma PIO mode and without GPIO card_detect/write_protect
> > option because of dependencies on EDMA and GPIO module DT support.
> 
> Shouldn't the binding at least specify the names for the DMA channels?
> It's fine if the driver works without those, but I think there is no
> strict dependency here: If dma_request_slave_channel does not find
> a channel, the driver can just continue in PIO mode, and as soon
> as the EDMA driver is merged, it will work with DMA.
> 

In that case, don't I have to add support for it in driver also using
dma_request_slave_channel_compat? As we do not have edma support yet on
da850, I will not be able to test it.

Thanks,
Prakash
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