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Subject[PATCH -next 09/26] mmc: Use dma_zalloc_coherent
Date
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 --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);
--
1.8.1.2.459.gbcd45b4.dirty


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