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| author | Takashi Iwai <tiwai@suse.de> | 2023-08-15 22:01:33 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2023-08-18 13:19:18 +0300 |
| commit | 9bebd65443c1379f6643397bf4854d6f80a8358c (patch) | |
| tree | 64ad74dc398ef939b5f45c4bab9250e4064bd93d /include/sound/dmaengine_pcm.h | |
| parent | 56b00d10ffd4dcd6b068c2290ffabf0ae2d49789 (diff) | |
| download | linux-9bebd65443c1379f6643397bf4854d6f80a8358c.tar.xz | |
ASoC: dmaengine: Use iov_iter for process callback, too
Along with the conversion to PCM copy ops, use the iov_iter for the
pointer to be passed to the dmaengine process callback, too. It
avoids the direct reference of iter_iov_addr(), and it can potentially
help for the drivers to access memory properly (although both atmel
and stm drivers don't use the given buffer address at all for now).
Reviewed-by: Mark Brown <broonie@kernel.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Claudiu Beznea <claudiu.beznea@microchip.com>
Cc: Olivier Moysan <olivier.moysan@foss.st.com>
Cc: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Link: https://lore.kernel.org/r/20230815190136.8987-23-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/sound/dmaengine_pcm.h')
| -rw-r--r-- | include/sound/dmaengine_pcm.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/sound/dmaengine_pcm.h b/include/sound/dmaengine_pcm.h index 2df54cf02cb3..c9a8bce9a785 100644 --- a/include/sound/dmaengine_pcm.h +++ b/include/sound/dmaengine_pcm.h @@ -142,7 +142,7 @@ struct snd_dmaengine_pcm_config { struct snd_pcm_substream *substream); int (*process)(struct snd_pcm_substream *substream, int channel, unsigned long hwoff, - void *buf, unsigned long bytes); + struct iov_iter *buf, unsigned long bytes); dma_filter_fn compat_filter_fn; struct device *dma_dev; const char *chan_names[SNDRV_PCM_STREAM_LAST + 1]; |