[PATCH 2/7 v2] ASoC: siu: don't use DMA device for channel filtering

From: Guennadi Liakhovetski
Date: Thu Jul 05 2012 - 06:31:55 EST


DMA channels are filtered based on slave IDs, no need to additionally filter
on DMA device.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
Cc: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
---
sound/soc/sh/siu_pcm.c | 4 ----
1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/sound/soc/sh/siu_pcm.c b/sound/soc/sh/siu_pcm.c
index 3fdc801..488f9be 100644
--- a/sound/soc/sh/siu_pcm.c
+++ b/sound/soc/sh/siu_pcm.c
@@ -332,9 +332,6 @@ static bool filter(struct dma_chan *chan, void *slave)

pr_debug("%s: slave ID %d\n", __func__, param->shdma_slave.slave_id);

- if (unlikely(param->dma_dev != chan->device->dev))
- return false;
-
chan->private = &param->shdma_slave;
return true;
}
@@ -369,7 +366,6 @@ static int siu_pcm_open(struct snd_pcm_substream *ss)
pdata->dma_slave_rx_a;
}

- param->dma_dev = pdata->dma_dev;
/* Get DMA channel */
siu_stream->chan = dma_request_channel(mask, filter, param);
if (!siu_stream->chan) {
--
1.7.2.5

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