Re: [alsa-devel] [PATCH 2/2] ASoC: atmel-pcm: use generic dmaengine framework

[Bo Shen <voice.shen@xxxxxxxxx>]

Hi Lars,

On 7/3/2013 15:36, Lars-Peter Clausen wrote:
> > > > +        slave_config->dst_addr = (dma_addr_t)ssc->phybase + SSC_THR;
> > > >>[...]
> > > > >>>+        slave_config->src_addr = (dma_addr_t)ssc->phybase + SSC_RHR;
> > > >>
> > > >>Change the type of phybase to dma_addr_t
> > >
> > >It should be:
> > >slave_config->dst_addr = (dma_addr_t)(ssc->phybase + SSC_THR);
> > >slave_config->src_addr = (dma_addr_t)(ssc->phybase + SSC_RHR);
> The type of phybase in the ssc_device struct should be changed from
> resource_size_t to dma_addr_t.

Actually, the phybase in ssc_device structure is resource_size_t which 
used to access the ssc device register.
Here, we use ssc register as dma source address or destination address, 
so we convert it to dma_addr_t type. So, not need to change, am I right?

Best Regards,
Bo Shen
--
To unsubscribe from this list: send the line "unsubscribe linux-sound" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html