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DMAENGINE: ste_dma40: interrupts only on dst

Browse source 
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: Jonas Aaberg <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
Signed-off-by: Dan Williams <[email protected]>
This commit is contained in:
Jonas Aaberg 2010-06-20 21:25:54 +00:00 • committed by Dan Williams
commit 2123a61e17
2 changed files with 5 additions and 8 deletions
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2
drivers/dma/ste_dma40.c
View file

@ -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,

11
drivers/dma/ste_dma40_ll.c
View file

@ -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);
}
}