diff options
| author |   Jonas Aaberg <jonas.aberg@stericsson.com> | 2010-06-20 21:25:54 +0000 |
|---|---|---|
| committer |   Dan Williams <dan.j.williams@intel.com> | 2010-06-22 18:01:55 -0700 |
| commit | 2123a61e174074b849fce2277412836b1b897942 (patch) | |
| tree | 4f96e988dba2dcb3689cbb5c31a32ef2100e33b8 /drivers/dma | |
| parent | DMAENGINE: ste_dma40: avoid doing unnessecary suspend (diff) | |
| download | linux-dev-2123a61e174074b849fce2277412836b1b897942.tar.xz linux-dev-2123a61e174074b849fce2277412836b1b897942.zip | |
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: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/ste_dma40.c | 2 | ||||
| -rw-r--r-- | 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 abbc1b627bcc..aa098a672605 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -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, diff --git a/drivers/dma/ste_dma40_ll.c b/drivers/dma/ste_dma40_ll.c index e0194e4fd86c..772636be13eb 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); } } |