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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-11-20 12:17:51 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-11-21 10:38:16 +0900 |
| commit | ae6a5d37725853325a2b3460165fbc5613ce2916 (patch) | |
| tree | 32e3bba8d4884d102989d06a1dfcc679fbd721b6 | |
| parent | f4a75d2eb7b1e2206094b901be09adb31ba63681 (diff) | |
| download | linux-ae6a5d37725853325a2b3460165fbc5613ce2916.tar.bz2 | |
ASoC: kirkwood-dma: fix use of virt_to_phys()
This is part of a patch found in Rabeeh Khoury's git tree for the
cubox.
You can not use virt_to_phys() on the address returned from
dma_alloc_coherent(); it may not be part of the kernel direct-mapped
memory. Fix this to use the DMA address instead.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
| -rw-r--r-- | sound/soc/kirkwood/kirkwood-dma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/soc/kirkwood/kirkwood-dma.c b/sound/soc/kirkwood/kirkwood-dma.c index b9f16598324c..afe193066253 100644 --- a/sound/soc/kirkwood/kirkwood-dma.c +++ b/sound/soc/kirkwood/kirkwood-dma.c @@ -178,7 +178,7 @@ static int kirkwood_dma_open(struct snd_pcm_substream *substream) } dram = mv_mbus_dram_info(); - addr = virt_to_phys(substream->dma_buffer.area); + addr = substream->dma_buffer.addr; if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { prdata->play_stream = substream; kirkwood_dma_conf_mbus_windows(priv->io, |