dmaengine: remove 'bigref' infrastructure

Reference counting is done at the module level so clients need not worry
that a channel will leave while they are actively using dmaengine.

Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index fbaa2f6225e2..d35cbd1ff0b3 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -1219,7 +1219,6 @@ static int __devinit mv_xor_probe(struct platform_device *pdev)
         INIT_LIST_HEAD(&mv_chan->chain);
         INIT_LIST_HEAD(&mv_chan->completed_slots);
         INIT_LIST_HEAD(&mv_chan->all_slots);
-        INIT_RCU_HEAD(&mv_chan->common.rcu);
         mv_chan->common.device = dma_dev;
 
         list_add_tail(&mv_chan->common.device_node, &dma_dev->channels);