wonderful-mobile/exynos-linux-stable
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Merge branch 'topic/xdmac' into for-linus

Browse source
This commit is contained in:
Vinod Koul 2015-06-25 09:21:49 +05:30
commit 4fb9c15b4f
4 changed files with 391 additions and 52 deletions
Download patch file Download diff file Expand all files Collapse all files

27
include/linux/dmaengine.h
View file

@ -923,6 +923,33 @@ static inline int dma_maxpq(struct dma_device *dma, enum dma_ctrl_flags flags)
BUG();
}
static inline size_t dmaengine_get_icg(bool inc, bool sgl, size_t icg,
size_t dir_icg)
{
if (inc) {
if (dir_icg)
return dir_icg;
else if (sgl)
return icg;
}
return 0;
}
static inline size_t dmaengine_get_dst_icg(struct dma_interleaved_template *xt,
struct data_chunk *chunk)
{
return dmaengine_get_icg(xt->dst_inc, xt->dst_sgl,
chunk->icg, chunk->dst_icg);
}
static inline size_t dmaengine_get_src_icg(struct dma_interleaved_template *xt,
struct data_chunk *chunk)
{
return dmaengine_get_icg(xt->src_inc, xt->src_sgl,
chunk->icg, chunk->src_icg);
}
/* --- public DMA engine API --- */
#ifdef CONFIG_DMA_ENGINE