diff options
| author | Hauke Mehrtens <hauke@hauke-m.de> | 2018-07-22 01:30:57 +0200 |
|---|---|---|
| committer | Paul Burton <paul.burton@mips.com> | 2018-07-23 20:02:19 +0200 |
| commit | 2b5c49131fc4e709910c07444f0befd21ad28bcf (patch) | |
| tree | b2355e8548f96ffa25383dc3225d054fc4a169cd /arch/mips/lantiq | |
| parent | MIPS: Change definition of cpu_relax() for Loongson-3 (diff) | |
| download | linux-2b5c49131fc4e709910c07444f0befd21ad28bcf.tar.xz linux-2b5c49131fc4e709910c07444f0befd21ad28bcf.zip | |
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.c | 3 |
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(<q_dma_lock, flags); ltq_dma_w32(ch->nr, LTQ_DMA_CS); |