Messages in this thread | | | Date | Wed, 03 Jul 2013 10:08:08 +0200 | From | Lars-Peter Clausen <> | Subject | Re: [alsa-devel] [PATCH 2/2] ASoC: atmel-pcm: use generic dmaengine framework |
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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
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