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Subject[PATCH 10/18] DMAENGINE: ste_dma40: interrupts only on dst
Date
From: Jonas Aaberg <jonas.aberg@stericsson.com>

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 <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
---
drivers/dma/ste_dma40.c | 2 +-
drivers/dma/ste_dma40_ll.c | 11 ++++-------
2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index 0e7ed4f..21f898a 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -1765,7 +1765,7 @@ 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,
diff --git a/drivers/dma/ste_dma40_ll.c b/drivers/dma/ste_dma40_ll.c
index e0194e4..772636b 100644
--- a/drivers/dma/ste_dma40_ll.c
+++ b/drivers/dma/ste_dma40_ll.c
@@ -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);
}
}
--
1.6.3.3


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