aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/dma/iop-adma.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c
index ce45f3fb034..9c752bd295e 100644
--- a/drivers/dma/iop-adma.c
+++ b/drivers/dma/iop-adma.c
@@ -288,7 +288,12 @@ static void iop_adma_tasklet(unsigned long data)
{
struct iop_adma_chan *iop_chan = (struct iop_adma_chan *) data;
- spin_lock(&iop_chan->lock);
+ /* lockdep will flag depedency submissions as potentially
+ * recursive locking, this is not the case as a dependency
+ * submission will never recurse a channels submit routine.
+ * There are checks in async_tx.c to prevent this.
+ */
+ spin_lock_nested(&iop_chan->lock, SINGLE_DEPTH_NESTING);
__iop_adma_slot_cleanup(iop_chan);
spin_unlock(&iop_chan->lock);
}