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ALSA: core: Drop snd_sgbuf_get_ptr()

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snd_sgbuf_get_ptr() and its sibling snd_pcm_sgbuf_get_ptr() are no
longer used by any drivers.  Let's drop them.

Link: https://lore.kernel.org/r/20210609162551.7842-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2021-06-09 18:25:48 +02:00
parent 74fb98311c
commit 84a0374051
2 changed files with 0 additions and 30 deletions
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19
include/sound/memalloc.h
View File

@ -103,19 +103,6 @@ static inline dma_addr_t snd_sgbuf_get_addr(struct snd_dma_buffer *dmab,
return addr + offset % PAGE_SIZE;
}
/*
* return the virtual address at the corresponding offset
*/
static inline void *snd_sgbuf_get_ptr(struct snd_dma_buffer *dmab,
size_t offset)
{
struct snd_sg_buf *sgbuf = dmab->private_data;
if (!sgbuf)
return dmab->area + offset;
return sgbuf->table[offset >> PAGE_SHIFT].buf + offset % PAGE_SIZE;
}
unsigned int snd_sgbuf_get_chunk_size(struct snd_dma_buffer *dmab,
unsigned int ofs, unsigned int size);
#else
@ -126,12 +113,6 @@ static inline dma_addr_t snd_sgbuf_get_addr(struct snd_dma_buffer *dmab,
return dmab->addr + offset;
}
static inline void *snd_sgbuf_get_ptr(struct snd_dma_buffer *dmab,
size_t offset)
{
return dmab->area + offset;
}
#define snd_sgbuf_get_chunk_size(dmab, ofs, size) (size)
#endif /* CONFIG_SND_DMA_SGBUF */

11
include/sound/pcm.h
View File

@ -1273,17 +1273,6 @@ snd_pcm_sgbuf_get_addr(struct snd_pcm_substream *substream, unsigned int ofs)
return snd_sgbuf_get_addr(snd_pcm_get_dma_buf(substream), ofs);
}
/**
* snd_pcm_sgbuf_get_ptr - Get the virtual address at the corresponding offset
* @substream: PCM substream
* @ofs: byte offset
*/
static inline void *
snd_pcm_sgbuf_get_ptr(struct snd_pcm_substream *substream, unsigned int ofs)
{
return snd_sgbuf_get_ptr(snd_pcm_get_dma_buf(substream), ofs);
}
/**
* snd_pcm_sgbuf_get_chunk_size - Compute the max size that fits within the
* contig. page from the given size