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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2013-01-25 11:48:02 +0200
committerVinod Koul <vinod.koul@intel.com>2013-01-28 04:04:42 -0800
commit176dcec50f3f0bc46f11b983c1a3bbc2dd3514fd (patch)
tree26f47f218200c789c785ee7397f5bed6c27e4d79 /drivers/dma/dw_dmac.c
parent30d38a3286b140ae8cea84a93cde1f112e352aaf (diff)
downloadlinux-176dcec50f3f0bc46f11b983c1a3bbc2dd3514fd.tar.gz
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 'drivers/dma/dw_dmac.c')
-rw-r--r--drivers/dma/dw_dmac.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index 7f9f3324de1..5816da34129 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;