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Commit 2123a61e authored by Jonas Aaberg's avatar Jonas Aaberg Committed by Dan Williams
Browse files

DMAENGINE: ste_dma40: interrupts only on dst 



We don't want interrupts when the source is done, only when
the destination is done and everything is complete at the
recieveing end of a transfer.

Signed-off-by: default avatarJonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@stericsson.com>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 0c32269d

drivers/dma/ste_dma40.c

+1 −1
Original line number Diff line number Diff line
@@ -1759,7 +1759,7 @@ static struct dma_async_tx_descriptor *d40_prep_memcpy(struct dma_chan *chan, 
				 0,

				 d40c->log_def.lcsp1,

				 d40c->dma_cfg.src_info.data_width,

				 true, true);

				 false, true);



		d40_log_fill_lli(d40d->lli_log.dst,

				 dst,

drivers/dma/ste_dma40_ll.c

+4 −7
Original line number Diff line number Diff line
@@ -315,11 +315,8 @@ int d40_log_sg_to_dev(struct d40_lcla_elem *lcla, 
	int total_size = 0;

	struct scatterlist *current_sg = sg;

	int i;

	u32 next_lli_off_dst;

	u32 next_lli_off_src;



	next_lli_off_src = 0;

	next_lli_off_dst = 0;

	u32 next_lli_off_dst = 0;

	u32 next_lli_off_src = 0;



	for_each_sg(sg, current_sg, sg_len, i) {

		total_size += sg_dma_len(current_sg);
@@ -351,7 +348,7 @@ int d40_log_sg_to_dev(struct d40_lcla_elem *lcla, 
					 sg_dma_len(current_sg),

					 next_lli_off_src,

					 lcsp->lcsp1, src_data_width,

					 term_int && !next_lli_off_src,

					 false,

					 true);

			d40_log_fill_lli(&lli->dst[i],

					 dev_addr,
@@ -375,7 +372,7 @@ int d40_log_sg_to_dev(struct d40_lcla_elem *lcla, 
					 sg_dma_len(current_sg),

					 next_lli_off_src,

					 lcsp->lcsp1, src_data_width,

					 term_int && !next_lli_off_src,

					 false,

					 false);

		}

	}