On 26-07-21, 16:59, Nikita Shubin wrote: > From: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx> > > Use clk_prepare_enable()/clk_disable_unprepare() in preparation for switch > to Common Clock Framework, otherwise the following is visible: > > WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:1011 clk_core_enable+0x9c/0xbc > Enabling unprepared m2p0 > ... > Hardware name: Cirrus Logic EDB9302 Evaluation Board > ... > clk_core_enable > clk_core_enable_lock > ep93xx_dma_alloc_chan_resources > dma_chan_get > find_candidate > __dma_request_channel > snd_dmaengine_pcm_request_channel > dmaengine_pcm_new > snd_soc_pcm_component_new > soc_new_pcm > snd_soc_bind_card > edb93xx_probe > ... > ep93xx-i2s ep93xx-i2s: Missing dma channel for stream: 0 > ep93xx-i2s ep93xx-i2s: ASoC: error at snd_soc_pcm_component_new on ep93xx-i2s: -22 > edb93xx-audio edb93xx-audio: ASoC: can't create pcm CS4271 HiFi :-22 > edb93xx-audio edb93xx-audio: snd_soc_register_card() failed: -22 > edb93xx-audio: probe of edb93xx-audio failed with error -22 Applied, thanks -- ~Vinod