Messages in this thread Patch in this message | | | From | Joe Perches <> | Subject | [PATCH -next 09/26] mmc: Use dma_zalloc_coherent | Date | Sun, 15 Jun 2014 13:37:38 -0700 |
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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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