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authorTomi Valkeinen <tomi.valkeinen@ti.com>2013-04-26 09:14:47 +0300
committerTomi Valkeinen <tomi.valkeinen@ti.com>2013-04-26 09:14:47 +0300
commit9bf9d47a29afbf7a43eae74a988a4aefe88ccbfd (patch)
tree966b838e2190a7d6868cda5f4eee6d0f490da27c /drivers/dma/omap-dma.c
parente45f265e7ea3ee6de24efe91fe2928d603cb1741 (diff)
parent138f296e140f79cb955caba70690076fb14e6f6d (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.c20
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);
}