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

kbuild test robot
2015-10-15T03:21:05Z

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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 (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All errors (new ones prefixed by >>):

sound/soc/rockchip/rockchip_i2s.c:467:13: sparse: undefined identifier 'snd_dmaengine_pcm_get_caps'
sound/soc/rockchip/rockchip_i2s.c:468:29: sparse: expected structure or union
sound/soc/rockchip/rockchip_i2s.c: In function 'rockchip_i2s_probe':
>> sound/soc/rockchip/rockchip_i2s.c:467:6: error: implicit declaration of function 'snd_dmaengine_pcm_get_caps' [-Werror=implicit-function-declaration]
if (snd_dmaengine_pcm_get_caps(&pdev->dev, &dma_caps) == 0) {
^
>> sound/soc/rockchip/rockchip_i2s.c:468:15: error: request for member 'max_burst' in something not a structure or union
if (dma_caps.max_burst > 4) {
^
cc1: some warnings being treated as errors

vim +/snd_dmaengine_pcm_get_caps +467 sound/soc/rockchip/rockchip_i2s.c

461 i2s->playback_dma_data.addr = res->start + I2S_TXDR;
462 i2s->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
463
464 i2s->capture_dma_data.addr = res->start + I2S_RXDR;
465 i2s->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
466
> 467 if (snd_dmaengine_pcm_get_caps(&pdev->dev, &dma_caps) == 0) {
> 468 if (dma_caps.max_burst > 4) {
469 i2s->playback_dma_data.maxburst = 4;
470 i2s->capture_dma_data.maxburst = 4;
471 } else {

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