dmaengine: nbpfaxi: convert callback to helper function

This is in preperation of moving to a callback that provides results to the
callback for the transaction. The conversion will maintain current behavior
and the driver must convert to new callback mechanism at a later time in
order to receive results.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c
index 08c45c1..09de715 100644 (file)
--- a/drivers/dma/nbpfaxi.c
+++ b/drivers/dma/nbpfaxi.c
@@ -1102,8 +1102,7 @@ static void nbpf_chan_tasklet(unsigned long data)
 {
        struct nbpf_channel *chan = (struct nbpf_channel *)data;
        struct nbpf_desc *desc, *tmp;
-       dma_async_tx_callback callback;
-       void *param;
+       struct dmaengine_desc_callback cb;
 
        while (!list_empty(&chan->done)) {
                bool found = false, must_put, recycling = false;
@@ -1151,14 +1150,12 @@ static void nbpf_chan_tasklet(unsigned long data)
                        must_put = false;
                }
 
-               callback = desc->async_tx.callback;
-               param = desc->async_tx.callback_param;
+               dmaengine_desc_get_callback(&desc->async_tx, &cb);
 
                /* ack and callback completed descriptor */
                spin_unlock_irq(&chan->lock);
 
-               if (callback)
-                       callback(param);
+               dmaengine_desc_callback_invoke(&cb, NULL);
 
                if (must_put)
                        nbpf_desc_put(desc);