On 07/03/2013 09:57 AM, Bo Shen wrote: > 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?
Isn't 'regs' used to access the registers? As far as I can see phybase is only used in the audio DMA driver. - Lars -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/