dmaengine: jz4740: remove device_alloc_chan_resources handler

Now that device_alloc_chan_resources handler in not mandatory, remove dummy
implementations

Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

1 files changed, 0 insertions, 6 deletions

diff --git a/drivers/dma/dma-jz4740.c b/drivers/dma/dma-jz4740.c
index f6a4c4270dcd..93deff06a541 100644
--- a/drivers/dma/dma-jz4740.c
+++ b/drivers/dma/dma-jz4740.c
@@ -496,11 +496,6 @@ static enum dma_status jz4740_dma_tx_status(struct dma_chan *c,
         return status;
 }
 
-static int jz4740_dma_alloc_chan_resources(struct dma_chan *c)
-{
-        return 0;
-}
-
 static void jz4740_dma_free_chan_resources(struct dma_chan *c)
 {
         vchan_free_chan_resources(to_virt_chan(c));
@@ -540,7 +535,6 @@ static int jz4740_dma_probe(struct platform_device *pdev)
 
         dma_cap_set(DMA_SLAVE, dd->cap_mask);
         dma_cap_set(DMA_CYCLIC, dd->cap_mask);
-        dd->device_alloc_chan_resources = jz4740_dma_alloc_chan_resources;
         dd->device_free_chan_resources = jz4740_dma_free_chan_resources;
         dd->device_tx_status = jz4740_dma_tx_status;
         dd->device_issue_pending = jz4740_dma_issue_pending;