diff options
author | Ingo Molnar <mingo@kernel.org> | 2013-04-21 10:57:33 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2013-04-21 10:57:33 +0200 |
commit | 73e21ce28d8d2b75140b742b01373c3a085ecc52 (patch) | |
tree | add380154271f9a68be4099590f912b4ab4bed9f /drivers/dma/omap-dma.c | |
parent | b5210b2a34bae35fc00675462333af45676d727c (diff) | |
parent | f1923820c447e986a9da0fc6bf60c1dccdf0408e (diff) | |
download | linux-73e21ce28d8d2b75140b742b01373c3a085ecc52.tar.bz2 |
Merge branch 'perf/urgent' into perf/core
Conflicts:
arch/x86/kernel/cpu/perf_event_intel.c
Merge in the latest fixes before applying new patches, resolve the conflict.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/dma/omap-dma.c')
-rw-r--r-- | drivers/dma/omap-dma.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c index c4b4fd2acc42..08b43bf37158 100644 --- a/drivers/dma/omap-dma.c +++ b/drivers/dma/omap-dma.c @@ -276,12 +276,20 @@ static void omap_dma_issue_pending(struct dma_chan *chan) spin_lock_irqsave(&c->vc.lock, flags); if (vchan_issue_pending(&c->vc) && !c->desc) { - struct omap_dmadev *d = to_omap_dma_dev(chan->device); - spin_lock(&d->lock); - if (list_empty(&c->node)) - list_add_tail(&c->node, &d->pending); - spin_unlock(&d->lock); - tasklet_schedule(&d->task); + /* + * c->cyclic is used only by audio and in this case the DMA need + * to be started without delay. + */ + if (!c->cyclic) { + struct omap_dmadev *d = to_omap_dma_dev(chan->device); + spin_lock(&d->lock); + if (list_empty(&c->node)) + list_add_tail(&c->node, &d->pending); + spin_unlock(&d->lock); + tasklet_schedule(&d->task); + } else { + omap_dma_start_desc(c); + } } spin_unlock_irqrestore(&c->vc.lock, flags); } |