Messages in this thread Patch in this message |  | | From | zhong jiang <> | Subject | [PATCH 1/2] media: ipu3-cio2: Use dma_zalloc_coherent to replace dma_alloc_coherent + memset | Date | Sat, 18 Aug 2018 23:16:54 +0800 |
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dma_zalloc_coherent has implemented the dma_alloc_coherent() + memset(), We prefer to dma_zalloc_coherent instead of open-codeing.
Signed-off-by: zhong jiang <zhongjiang@huawei.com> --- drivers/media/pci/intel/ipu3/ipu3-cio2.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2.c b/drivers/media/pci/intel/ipu3/ipu3-cio2.c index 2902715..f0c6374 100644 --- a/drivers/media/pci/intel/ipu3/ipu3-cio2.c +++ b/drivers/media/pci/intel/ipu3/ipu3-cio2.c @@ -218,13 +218,11 @@ static int cio2_fbpt_init(struct cio2_device *cio2, struct cio2_queue *q) { struct device *dev = &cio2->pci_dev->dev; - q->fbpt = dma_alloc_coherent(dev, CIO2_FBPT_SIZE, &q->fbpt_bus_addr, - GFP_KERNEL); + q->fbpt = dma_zalloc_coherent(dev, CIO2_FBPT_SIZE, &q->fbpt_bus_addr, + GFP_KERNEL); if (!q->fbpt) return -ENOMEM; - memset(q->fbpt, 0, CIO2_FBPT_SIZE); - return 0; } -- 1.7.12.4
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