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rt2x00: Use dma_zalloc_coherent

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Use the zeroing function instead of dma_alloc_coherent & memset(,0,)

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Joe Perches
2014-06-15 13:37:43 -07:00
committed by John W. Linville
parent a4068323d5
commit df6e633323
1 changed files with 3 additions and 5 deletions
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8
drivers/net/wireless/rt2x00/rt2x00mmio.c
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@@ -119,14 +119,12 @@ static int rt2x00mmio_alloc_queue_dma(struct rt2x00_dev *rt2x00dev,
/* /*
* Allocate DMA memory for descriptor and buffer. * Allocate DMA memory for descriptor and buffer.
*/ */
addr = dma_alloc_coherent(rt2x00dev->dev, addr = dma_zalloc_coherent(rt2x00dev->dev,
queue->limit * queue->desc_size, queue->limit * queue->desc_size, &dma,
&dma, GFP_KERNEL); GFP_KERNEL);
if (!addr) if (!addr)
return -ENOMEM; return -ENOMEM;
memset(addr, 0, queue->limit * queue->desc_size);
/* /*
* Initialize all queue entries to contain valid addresses. * Initialize all queue entries to contain valid addresses.
*/ */