diff options
author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2013-04-26 09:14:47 +0300 |
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committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2013-04-26 09:14:47 +0300 |
commit | 9bf9d47a29afbf7a43eae74a988a4aefe88ccbfd (patch) | |
tree | 966b838e2190a7d6868cda5f4eee6d0f490da27c /drivers/dma/omap-dma.c | |
parent | e45f265e7ea3ee6de24efe91fe2928d603cb1741 (diff) | |
parent | 138f296e140f79cb955caba70690076fb14e6f6d (diff) |
Merge branch '3.10/fb-mmap' into for-next
Merge topic branch to get vm_iomap_memory into use.
Conflicts:
drivers/video/fbmon.c
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); } |