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>

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;