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ALSA: pcm: Unexport snd_pcm_sgbuf_ops_page

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The helper is no longer referred after the recent code refactoring.
Drop the export for saving some bits and future misuse.

Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20191108094641.20086-9-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2019-11-08 10:46:41 +01:00
parent e610748ad4
commit fc7af6bc27
3 changed files with 6 additions and 10 deletions
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8
include/sound/pcm.h
View File

@ -1236,14 +1236,6 @@ static inline int snd_pcm_lib_alloc_vmalloc_32_buffer
*/
#define snd_pcm_substream_sgbuf(substream) \
snd_pcm_get_dma_buf(substream)->private_data
struct page *snd_pcm_sgbuf_ops_page(struct snd_pcm_substream *substream,
unsigned long offset);
#else /* !SND_DMA_SGBUF */
/*
* fake using a continuous buffer
*/
#define snd_pcm_sgbuf_ops_page NULL
#endif /* SND_DMA_SGBUF */
/**

5
sound/core/pcm_local.h
View File

@ -67,4 +67,9 @@ static inline void snd_pcm_timer_done(struct snd_pcm_substream *substream) {}
void __snd_pcm_xrun(struct snd_pcm_substream *substream);
void snd_pcm_group_init(struct snd_pcm_group *group);
#ifdef CONFIG_SND_DMA_SGBUF
struct page *snd_pcm_sgbuf_ops_page(struct snd_pcm_substream *substream,
unsigned long offset);
#endif
#endif /* __SOUND_CORE_PCM_LOCAL_H */

3
sound/core/pcm_memory.c
View File

@ -255,7 +255,7 @@ void snd_pcm_lib_preallocate_pages_for_all(struct snd_pcm *pcm,
EXPORT_SYMBOL(snd_pcm_lib_preallocate_pages_for_all);
#ifdef CONFIG_SND_DMA_SGBUF
/**
/*
* snd_pcm_sgbuf_ops_page - get the page struct at the given offset
* @substream: the pcm substream instance
* @offset: the buffer offset
@ -273,7 +273,6 @@ struct page *snd_pcm_sgbuf_ops_page(struct snd_pcm_substream *substream, unsigne
return NULL;
return sgbuf->page_table[idx];
}
EXPORT_SYMBOL(snd_pcm_sgbuf_ops_page);
#endif /* CONFIG_SND_DMA_SGBUF */
/**