Re: [RFC PATCH v3 3/4] ASoC: fsl_asrc_dma: Reuse the dma channel if available in Back-End

2020-06-12 Thread Nicolin Chen
On Fri, Jun 12, 2020 at 03:37:50PM +0800, Shengjiu Wang wrote: > The dma channel has been requested by Back-End cpu dai driver already. > If fsl_asrc_dma requests dma chan with same dma:tx symlink, then > there will be below warning with SDMA. > > [ 48.174236] fsl-esai-dai 2024000.esai: Cannot

[RFC PATCH v3 3/4] ASoC: fsl_asrc_dma: Reuse the dma channel if available in Back-End

2020-06-12 Thread Shengjiu Wang
The dma channel has been requested by Back-End cpu dai driver already. If fsl_asrc_dma requests dma chan with same dma:tx symlink, then there will be below warning with SDMA. [ 48.174236] fsl-esai-dai 2024000.esai: Cannot create DMA dma:tx symlink So if we can reuse the dma channel of