]> git.karo-electronics.de Git - linux-beck.git/commitdiff
dmaengine: vdma: Use dma_pool_zalloc
authorKedareswara rao Appana <appana.durga.rao@xilinx.com>
Wed, 18 May 2016 07:47:31 +0000 (13:17 +0530)
committerVinod Koul <vinod.koul@intel.com>
Tue, 7 Jun 2016 06:18:24 +0000 (11:48 +0530)
dma_pool_zalloc combines dma_pool_alloc and memset 0
this patch updates the driver to use dma_pool_zalloc.

Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
drivers/dma/xilinx/xilinx_vdma.c

index 3edd4544478a489c92bd79c8abfd39d6922e4f10..0f5b38a0e46f4f5e7e18fe34eabe289f4b87fdca 100644 (file)
@@ -498,11 +498,10 @@ xilinx_cdma_alloc_tx_segment(struct xilinx_dma_chan *chan)
        struct xilinx_cdma_tx_segment *segment;
        dma_addr_t phys;
 
-       segment = dma_pool_alloc(chan->desc_pool, GFP_ATOMIC, &phys);
+       segment = dma_pool_zalloc(chan->desc_pool, GFP_ATOMIC, &phys);
        if (!segment)
                return NULL;
 
-       memset(segment, 0, sizeof(*segment));
        segment->phys = phys;
 
        return segment;
@@ -520,11 +519,10 @@ xilinx_axidma_alloc_tx_segment(struct xilinx_dma_chan *chan)
        struct xilinx_axidma_tx_segment *segment;
        dma_addr_t phys;
 
-       segment = dma_pool_alloc(chan->desc_pool, GFP_ATOMIC, &phys);
+       segment = dma_pool_zalloc(chan->desc_pool, GFP_ATOMIC, &phys);
        if (!segment)
                return NULL;
 
-       memset(segment, 0, sizeof(*segment));
        segment->phys = phys;
 
        return segment;