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| author | Julia Lawall <Julia.Lawall@lip6.fr> | 2016-04-29 22:09:10 +0200 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2016-05-03 08:53:12 +0200 |
| commit | 305697facd1b6d1ce41eaffb1fbe2bf5950334eb (patch) | |
| tree | 873b85d2d5fdba6a5ea0e763ec2f31827cc4ab08 /drivers/dma/ioat | |
| parent | dmaengine: mmp_pdma: Use dma_pool_zalloc (diff) | |
| download | linux-305697facd1b6d1ce41eaffb1fbe2bf5950334eb.tar.xz linux-305697facd1b6d1ce41eaffb1fbe2bf5950334eb.zip | |
dmaengine: ioatdma: Use dma_pool_zalloc
Dma_pool_zalloc combines dma_pool_alloc and memset 0. The semantic patch
that makes this transformation is as follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression d,e;
statement S;
@@
d =
- dma_pool_alloc
+ dma_pool_zalloc
(...);
if (!d) S
- memset(d, 0, sizeof(*d));
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/ioat')
| -rw-r--r-- | drivers/dma/ioat/init.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/dma/ioat/init.c b/drivers/dma/ioat/init.c index efdee1a69fc4..d4c63d48b970 100644 --- a/drivers/dma/ioat/init.c +++ b/drivers/dma/ioat/init.c @@ -690,12 +690,11 @@ static int ioat_alloc_chan_resources(struct dma_chan *c) /* allocate a completion writeback area */ /* doing 2 32bit writes to mmio since 1 64b write doesn't work */ ioat_chan->completion = - dma_pool_alloc(ioat_chan->ioat_dma->completion_pool, - GFP_KERNEL, &ioat_chan->completion_dma); + dma_pool_zalloc(ioat_chan->ioat_dma->completion_pool, + GFP_KERNEL, &ioat_chan->completion_dma); if (!ioat_chan->completion) return -ENOMEM; - memset(ioat_chan->completion, 0, sizeof(*ioat_chan->completion)); writel(((u64)ioat_chan->completion_dma) & 0x00000000FFFFFFFF, ioat_chan->reg_base + IOAT_CHANCMP_OFFSET_LOW); writel(((u64)ioat_chan->completion_dma) >> 32, |