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| author | Joe Perches <joe@perches.com> | 2014-06-15 13:37:35 -0700 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2014-07-14 22:29:35 +0530 |
| commit | 9f92d2232d5fabe18741044d8004160f8cf80e9e (patch) | |
| tree | fd8f2e649ad34f0b44d9aee726476b7408e1d334 /drivers/dma/imx-sdma.c | |
| parent | 89751d0a2a05197e0823eb0a363efd034175a76f (diff) | |
| download | linux-9f92d2232d5fabe18741044d8004160f8cf80e9e.tar.gz linux-9f92d2232d5fabe18741044d8004160f8cf80e9e.tar.bz2 linux-9f92d2232d5fabe18741044d8004160f8cf80e9e.zip | |
dmaengine: Use dma_zalloc_coherent
Use the zeroing function instead of dma_alloc_coherent & memset(,0,)
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/imx-sdma.c')
| -rw-r--r-- | drivers/dma/imx-sdma.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 14867e3ac8ff..bbcf783707f1 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -911,14 +911,13 @@ static int sdma_request_channel(struct sdma_channel *sdmac) int channel = sdmac->channel; int ret = -EBUSY; - sdmac->bd = dma_alloc_coherent(NULL, PAGE_SIZE, &sdmac->bd_phys, GFP_KERNEL); + sdmac->bd = dma_zalloc_coherent(NULL, PAGE_SIZE, &sdmac->bd_phys, + GFP_KERNEL); if (!sdmac->bd) { ret = -ENOMEM; goto out; } - memset(sdmac->bd, 0, PAGE_SIZE); - sdma->channel_control[channel].base_bd_ptr = sdmac->bd_phys; sdma->channel_control[channel].current_bd_ptr = sdmac->bd_phys; |