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| author | Logan Gunthorpe <logang@deltatee.com> | 2017-05-30 16:39:17 -0600 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2017-06-01 22:09:12 +0530 |
| commit | 838b56adab18040657ec40322fd01d6ebf312ee7 (patch) | |
| tree | f7199170ab7ffe8b2e243eb07dab12c83562b784 /drivers/dma | |
| parent | ce81801372313805aa649ea18d27b2fb5f6c16b5 (diff) | |
| download | linux-838b56adab18040657ec40322fd01d6ebf312ee7.tar.gz linux-838b56adab18040657ec40322fd01d6ebf312ee7.tar.bz2 linux-838b56adab18040657ec40322fd01d6ebf312ee7.zip | |
dmaengine: ste_dma40: Cleanup scatterlist layering violations
This dma engine driver directly accesses page_link assuming knowledge
that should be contained only in scatterlist.h.
We replace this access with a call to sg_chain which is equivalent.
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Stephen Bates <sbates@raithlin.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Per Förlin <per.forlin@axis.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/ste_dma40.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index a6620b671d1d..c3052fbfd092 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -2528,10 +2528,7 @@ dma40_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t dma_addr, dma_addr += period_len; } - sg[periods].offset = 0; - sg_dma_len(&sg[periods]) = 0; - sg[periods].page_link = - ((unsigned long)sg | 0x01) & ~0x02; + sg_chain(sg, periods + 1, sg); txd = d40_prep_sg(chan, sg, sg, periods, direction, DMA_PREP_INTERRUPT); |