Re: [PATCH v6 10/10] ASoC: rockchip_i2s: modify DMA max burst to 1

在 2015年10月15日 16:53, Lars-Peter Clausen 写道: On 10/15/2015 03:36 AM, Shawn Lin wrote: [...] + + if (snd_dmaengine_pcm_get_caps(&pdev->dev, &dma_caps) == 0) { + if (dma_caps.max_burst > 4) { + i2s->playback_dma_data.maxburst = 4; + i2

Re: [PATCH v6 10/10] ASoC: rockchip_i2s: modify DMA max burst to 1

On 10/15/2015 03:36 AM, Shawn Lin wrote: [...] > + > + if (snd_dmaengine_pcm_get_caps(&pdev->dev, &dma_caps) == 0) { > + if (dma_caps.max_burst > 4) { > + i2s->playback_dma_data.maxburst = 4; > + i2s->capture_dma_data.maxburst = 4; > +

Re: [PATCH v6 10/10] ASoC: rockchip_i2s: modify DMA max burst to 1

Hi Yiwei, [auto build test ERROR on rockchip/for-next -- if it's inappropriate base, please suggest rules for selecting the more suitable base] url: https://github.com/0day-ci/linux/commits/Shawn-Lin/Fix-broken-DMAFLUSHP-on-Rockchips-platform/20151015-094613 config: x86_64-allmodconfig (atta

[PATCH v6 10/10] ASoC: rockchip_i2s: modify DMA max burst to 1

From: Yiwei Cai Test with command - arecord -D hw:0,0 /tmp/a.wav, there are the error dump: dma-pl330 ffb2.dma-controller: fill_queue:2251 Bad Desc(7) This error is happening when no a multiple of burst size * burst length are coming in. The root cause is pl330 dma controller on Rockchips' p