[PATCH v2 2/4] dmaengine: vdma: Use dma_pool_zalloc
From: Kedareswara rao Appana
Date: Wed May 18 2016 - 03:48:37 EST
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@xxxxxxxxxx>
---
Changes for v2:
--> New patch.
drivers/dma/xilinx/xilinx_vdma.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/dma/xilinx/xilinx_vdma.c b/drivers/dma/xilinx/xilinx_vdma.c
index 3edd454..0f5b38a 100644
--- a/drivers/dma/xilinx/xilinx_vdma.c
+++ b/drivers/dma/xilinx/xilinx_vdma.c
@@ -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;
--
2.1.2