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Commit 176dcec5 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Vinod Koul
Browse files

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: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 30d38a32

drivers/dma/dw_dmac.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -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.dar = dest + offset;

		desc->lli.ctllo = ctllo;

		desc->lli.ctllo = ctllo;

		desc->lli.ctlhi = xfer_count;

		desc->lli.ctlhi = xfer_count;

		desc->len = xfer_count << src_width;





		if (!first) {

		if (!first) {

			first = desc;

			first = desc;
@@ -855,6 +856,7 @@ dwc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, 
			}

			}





			desc->lli.ctlhi = dlen >> mem_width;

			desc->lli.ctlhi = dlen >> mem_width;

			desc->len = dlen;





			if (!first) {

			if (!first) {

				first = desc;

				first = desc;
@@ -913,6 +915,7 @@ dwc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, 
				len = 0;

				len = 0;

			}

			}

			desc->lli.ctlhi = dlen >> reg_width;

			desc->lli.ctlhi = dlen >> reg_width;

			desc->len = dlen;





			if (!first) {

			if (!first) {

				first = desc;

				first = desc;