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.shevche...@linux.intel.com>
Acked-by: Viresh Kumar <viresh.ku...@linaro.org>
---
drivers/dma/dw_dmac.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index 7b5a088..3b788c8 100644
--- a/drivers/dma/dw_dmac.c
+++ b/drivers/dma/dw_dmac.c
@@ -759,6 +759,7 @@ 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;
@@ -857,6 +858,7 @@ slave_sg_todev_fill_desc:
}
desc->lli.ctlhi = dlen >> mem_width;
+ desc->len = dlen;
if (!first) {
first = desc;
@@ -915,6 +917,7 @@ slave_sg_fromdev_fill_desc:
len = 0;
}
desc->lli.ctlhi = dlen >> reg_width;
+ desc->len = dlen;
if (!first) {
first = desc;
--
1.7.10.4
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