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| author |   Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2013-01-25 11:48:02 +0200 |
|---|---|---|
| committer |   Vinod Koul <vinod.koul@intel.com> | 2013-01-28 04:04:42 -0800 |
| commit | 176dcec50f3f0bc46f11b983c1a3bbc2dd3514fd (patch) | |
| tree | 26f47f218200c789c785ee7397f5bed6c27e4d79 /drivers/dma/dw_dmac.c | |
| parent | dw_dmac: introduce total_len field in struct dw_desc (diff) | |
| download | linux-dev-176dcec50f3f0bc46f11b983c1a3bbc2dd3514fd.tar.xz linux-dev-176dcec50f3f0bc46f11b983c1a3bbc2dd3514fd.zip | |
dw_dmac: fill individual length of descriptor
It will be useful to have the length of the transfer in the descriptor. The
cyclic transfer functions remained untouched.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/dma/dw_dmac.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c index 7f9f3324de17..5816da34129d 100644 --- a/drivers/dma/dw_dmac.c +++ b/drivers/dma/dw_dmac.c @@ -757,6 +757,7 @@ dwc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, desc->lli.dar = dest + offset; desc->lli.ctllo = ctllo; desc->lli.ctlhi = xfer_count; + desc->len = xfer_count << src_width; if (!first) { first = desc; @@ -855,6 +856,7 @@ slave_sg_todev_fill_desc: } desc->lli.ctlhi = dlen >> mem_width; + desc->len = dlen; if (!first) { first = desc; @@ -913,6 +915,7 @@ slave_sg_fromdev_fill_desc: len = 0; } desc->lli.ctlhi = dlen >> reg_width; + desc->len = dlen; if (!first) { first = desc; |