未验证 提交 fd563611 编写于 作者: M Mark Brown

Merge tag 'alsa-add-snd-sgbuf-aligned-pages' of...

Merge tag 'alsa-add-snd-sgbuf-aligned-pages' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-4.19

ALSA: memalloc: declare snd_sgbuf_aligned_pages() unconditionally

Make this helper inline function available for all platforms. This
helps solve 0-day compilation issues when CONFIG_SND_DMA_SGBUF is not
defined.
...@@ -67,6 +67,14 @@ struct snd_dma_buffer { ...@@ -67,6 +67,14 @@ struct snd_dma_buffer {
void *private_data; /* private for allocator; don't touch */ void *private_data; /* private for allocator; don't touch */
}; };
/*
* return the pages matching with the given byte size
*/
static inline unsigned int snd_sgbuf_aligned_pages(size_t size)
{
return (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
}
#ifdef CONFIG_SND_DMA_SGBUF #ifdef CONFIG_SND_DMA_SGBUF
/* /*
* Scatter-Gather generic device pages * Scatter-Gather generic device pages
...@@ -90,14 +98,6 @@ struct snd_sg_buf { ...@@ -90,14 +98,6 @@ struct snd_sg_buf {
struct device *dev; struct device *dev;
}; };
/*
* return the pages matching with the given byte size
*/
static inline unsigned int snd_sgbuf_aligned_pages(size_t size)
{
return (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
}
/* /*
* return the physical address at the corresponding offset * return the physical address at the corresponding offset
*/ */
......
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