Commit 2b5c4913 authored by Hauke Mehrtens's avatar Hauke Mehrtens Committed by Paul Burton

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: default avatarHauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: default avatarPaul 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
parent a3071886
......@@ -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);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment