This patch converts the rme32 driver code to use the new unified PCM copy callback. It's a straightforward conversion from *_user() to *_iter() variants.
Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/pci/rme32.c | 50 +++++++++++------------------------------------ 1 file changed, 11 insertions(+), 39 deletions(-)
diff --git a/sound/pci/rme32.c b/sound/pci/rme32.c index 9c0ac025e143..02144bbee6d5 100644 --- a/sound/pci/rme32.c +++ b/sound/pci/rme32.c @@ -252,48 +252,24 @@ static int snd_rme32_playback_silence(struct snd_pcm_substream *substream, /* copy callback for halfduplex mode */ static int snd_rme32_playback_copy(struct snd_pcm_substream *substream, int channel, unsigned long pos, - void __user *src, unsigned long count) + struct iov_iter *src, unsigned long count) { struct rme32 *rme32 = snd_pcm_substream_chip(substream);
- if (copy_from_user_toio(rme32->iobase + RME32_IO_DATA_BUFFER + pos, - src, count)) - return -EFAULT; - return 0; -} - -static int snd_rme32_playback_copy_kernel(struct snd_pcm_substream *substream, - int channel, unsigned long pos, - void *src, unsigned long count) -{ - struct rme32 *rme32 = snd_pcm_substream_chip(substream); - - memcpy_toio(rme32->iobase + RME32_IO_DATA_BUFFER + pos, src, count); - return 0; + return copy_from_iter_toio(rme32->iobase + RME32_IO_DATA_BUFFER + pos, + src, count); }
/* copy callback for halfduplex mode */ static int snd_rme32_capture_copy(struct snd_pcm_substream *substream, int channel, unsigned long pos, - void __user *dst, unsigned long count) + struct iov_iter *dst, unsigned long count) { struct rme32 *rme32 = snd_pcm_substream_chip(substream);
- if (copy_to_user_fromio(dst, - rme32->iobase + RME32_IO_DATA_BUFFER + pos, - count)) - return -EFAULT; - return 0; -} - -static int snd_rme32_capture_copy_kernel(struct snd_pcm_substream *substream, - int channel, unsigned long pos, - void *dst, unsigned long count) -{ - struct rme32 *rme32 = snd_pcm_substream_chip(substream); - - memcpy_fromio(dst, rme32->iobase + RME32_IO_DATA_BUFFER + pos, count); - return 0; + return copy_to_iter_fromio(dst, + rme32->iobase + RME32_IO_DATA_BUFFER + pos, + count); }
/* @@ -1194,8 +1170,7 @@ static const struct snd_pcm_ops snd_rme32_playback_spdif_ops = { .prepare = snd_rme32_playback_prepare, .trigger = snd_rme32_pcm_trigger, .pointer = snd_rme32_playback_pointer, - .copy_user = snd_rme32_playback_copy, - .copy_kernel = snd_rme32_playback_copy_kernel, + .copy = snd_rme32_playback_copy, .fill_silence = snd_rme32_playback_silence, .mmap = snd_pcm_lib_mmap_iomem, }; @@ -1207,8 +1182,7 @@ static const struct snd_pcm_ops snd_rme32_capture_spdif_ops = { .prepare = snd_rme32_capture_prepare, .trigger = snd_rme32_pcm_trigger, .pointer = snd_rme32_capture_pointer, - .copy_user = snd_rme32_capture_copy, - .copy_kernel = snd_rme32_capture_copy_kernel, + .copy = snd_rme32_capture_copy, .mmap = snd_pcm_lib_mmap_iomem, };
@@ -1219,8 +1193,7 @@ static const struct snd_pcm_ops snd_rme32_playback_adat_ops = { .prepare = snd_rme32_playback_prepare, .trigger = snd_rme32_pcm_trigger, .pointer = snd_rme32_playback_pointer, - .copy_user = snd_rme32_playback_copy, - .copy_kernel = snd_rme32_playback_copy_kernel, + .copy = snd_rme32_playback_copy, .fill_silence = snd_rme32_playback_silence, .mmap = snd_pcm_lib_mmap_iomem, }; @@ -1232,8 +1205,7 @@ static const struct snd_pcm_ops snd_rme32_capture_adat_ops = { .prepare = snd_rme32_capture_prepare, .trigger = snd_rme32_pcm_trigger, .pointer = snd_rme32_capture_pointer, - .copy_user = snd_rme32_capture_copy, - .copy_kernel = snd_rme32_capture_copy_kernel, + .copy = snd_rme32_capture_copy, .mmap = snd_pcm_lib_mmap_iomem, };