UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

dmaengine: at_xdmac: Use dma_pool_zalloc 

We should use dma_pool_zalloc instead of dma_pool_alloc/memset.

Signed-off-by: Souptick joarder <jrdr.linux@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Souptick Joarder 2016-11-30 02:30:37 +05:30 committed by Vinod Koul
parent c2e60fc702
commit 9dcd74089a
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/dma/at_xdmac.c
View File

@ -444,9 +444,8 @@ static struct at_xdmac_desc *at_xdmac_alloc_desc(struct dma_chan *chan,
struct at_xdmac *atxdmac = to_at_xdmac(chan->device); struct at_xdmac *atxdmac = to_at_xdmac(chan->device);
dma_addr_t phys; dma_addr_t phys;
desc = dma_pool_alloc(atxdmac->at_xdmac_desc_pool, gfp_flags, &phys); desc = dma_pool_zalloc(atxdmac->at_xdmac_desc_pool, gfp_flags, &phys);
if (desc) { if (desc) {
memset(desc, 0, sizeof(*desc));
INIT_LIST_HEAD(&desc->descs_list); INIT_LIST_HEAD(&desc->descs_list);
dma_async_tx_descriptor_init(&desc->tx_dma_desc, chan); dma_async_tx_descriptor_init(&desc->tx_dma_desc, chan);
desc->tx_dma_desc.tx_submit = at_xdmac_tx_submit; desc->tx_dma_desc.tx_submit = at_xdmac_tx_submit;