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authorHauke Mehrtens <hauke@hauke-m.de>2018-07-22 01:30:57 +0200
committerPaul Burton <paul.burton@mips.com>2018-07-23 11:02:19 -0700
commit2b5c49131fc4e709910c07444f0befd21ad28bcf (patch)
treeb2355e8548f96ffa25383dc3225d054fc4a169cd /arch/mips/lantiq
parenta30718868915fbb991a9ae9e45594b059f28e9ae (diff)
downloadlinux-2b5c49131fc4e709910c07444f0befd21ad28bcf.tar.bz2
MIPS: lantiq: Use dma_zalloc_coherent() in dma code
Instead of using dma_alloc_coherent() and memset() directly use dma_zalloc_coherent(). Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: Paul Burton <paul.burton@mips.com> Patchwork: https://patchwork.linux-mips.org/patch/19962/ Cc: ralf@linux-mips.org Cc: jhogan@kernel.org Cc: john@phrozen.org Cc: linux-mips@linux-mips.org Cc: dev@kresin.me
Diffstat (limited to 'arch/mips/lantiq')
-rw-r--r--arch/mips/lantiq/xway/dma.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/mips/lantiq/xway/dma.c b/arch/mips/lantiq/xway/dma.c
index 805b3a6ab2d6..4b9fbb6744ad 100644
--- a/arch/mips/lantiq/xway/dma.c
+++ b/arch/mips/lantiq/xway/dma.c
@@ -130,10 +130,9 @@ ltq_dma_alloc(struct ltq_dma_channel *ch)
unsigned long flags;
ch->desc = 0;
- ch->desc_base = dma_alloc_coherent(NULL,
+ ch->desc_base = dma_zalloc_coherent(NULL,
LTQ_DESC_NUM * LTQ_DESC_SIZE,
&ch->phys, GFP_ATOMIC);
- memset(ch->desc_base, 0, LTQ_DESC_NUM * LTQ_DESC_SIZE);
spin_lock_irqsave(&ltq_dma_lock, flags);
ltq_dma_w32(ch->nr, LTQ_DMA_CS);