Re: [PATCH v2 5/8] dmaengine: ep93xx: Prepare clock before using it

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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



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