diff mbox

[-next,09/26] mmc: Use dma_zalloc_coherent

Message ID 1bcfedf9f6f944be57f4076d8b248a9f248a3f5d.1402863905.git.joe@perches.com (mailing list archive)
State New, archived
Headers show

Commit Message

Joe Perches June 15, 2014, 8:37 p.m. UTC 
Use the zeroing function instead of dma_alloc_coherent & memset(,0,)

Signed-off-by: Joe Perches <joe@perches.com>
---
 drivers/mmc/host/msm_sdcc.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)
diff mbox

Patch

diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 9405ecd..3035d84 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -1146,15 +1146,13 @@  msmsdcc_init_dma(struct msmsdcc_host *host)
 	if (!host->dmares)
 		return -ENODEV;
 
-	host->dma.nc = dma_alloc_coherent(NULL,
-					  sizeof(struct msmsdcc_nc_dmadata),
-					  &host->dma.nc_busaddr,
-					  GFP_KERNEL);
+	host->dma.nc = dma_zalloc_coherent(NULL,
+					   sizeof(struct msmsdcc_nc_dmadata),
+					   &host->dma.nc_busaddr, GFP_KERNEL);
 	if (host->dma.nc == NULL) {
 		pr_err("Unable to allocate DMA buffer\n");
 		return -ENOMEM;
 	}
-	memset(host->dma.nc, 0x00, sizeof(struct msmsdcc_nc_dmadata));
 	host->dma.cmd_busaddr = host->dma.nc_busaddr;
 	host->dma.cmdptr_busaddr = host->dma.nc_busaddr +
 				offsetof(struct msmsdcc_nc_dmadata, cmdptr);