Commit fc7af6bc authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: pcm: Unexport snd_pcm_sgbuf_ops_page 



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

Acked-by: default avatarMark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20191108094641.20086-9-tiwai@suse.de


Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent e610748a

include/sound/pcm.h

+0 −8
Original line number Diff line number Diff line
@@ -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 */



/**

sound/core/pcm_local.h

+5 −0
Original line number Diff line number Diff line
@@ -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 */

sound/core/pcm_memory.c

+1 −2
Original line number Diff line number Diff line
@@ -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 */



/**

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