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| author | zhong jiang <zhongjiang@huawei.com> | 2018-08-18 18:16:54 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-08-31 16:24:33 +0300 |
| commit | 1526dbeb54f202e9fa2de660fd18030ebaa99f49 (patch) | |
| tree | 4f09f59cb344c3b58966221ea42a2625d9b4941d /drivers | |
| parent | 4d471563d87b2b83e73b8abffb9273950e6d2e36 (diff) | |
| download | linux-1526dbeb54f202e9fa2de660fd18030ebaa99f49.tar.xz | |
media: ipu3-cio2: Use dma_zalloc_coherent to replace dma_alloc_coherent + memset
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>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/pci/intel/ipu3/ipu3-cio2.c | 6 |
1 files 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 29027159eced..f0c6374ee58e 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; } |