[PATCH 10/19] DMAENGINE: ste_dma40: interrupts only on dst
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From: Linus Walleij on 20 Jun 2010 17:30 From: Jonas Aaberg <jonas.aberg(a)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(a)stericsson.com> Signed-off-by: Linus Walleij <linus.walleij(a)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 abbc1b6..aa098a6 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 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |