diff options
Diffstat (limited to 'drivers/net/wireless/b43legacy/dma.c')
| -rw-r--r-- | drivers/net/wireless/b43legacy/dma.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/drivers/net/wireless/b43legacy/dma.c b/drivers/net/wireless/b43legacy/dma.c index 2d3c6644f82..b2ed1795130 100644 --- a/drivers/net/wireless/b43legacy/dma.c +++ b/drivers/net/wireless/b43legacy/dma.c @@ -331,16 +331,11 @@ void free_descriptor_buffer(struct b43legacy_dmaring *ring, static int alloc_ringmemory(struct b43legacy_dmaring *ring) { /* GFP flags must match the flags in free_ringmemory()! */ - ring->descbase = dma_alloc_coherent(ring->dev->dev->dma_dev, - B43legacy_DMA_RINGMEMSIZE, - &(ring->dmabase), - GFP_KERNEL); - if (!ring->descbase) { - b43legacyerr(ring->dev->wl, "DMA ringmemory allocation" - " failed\n"); + ring->descbase = dma_zalloc_coherent(ring->dev->dev->dma_dev, + B43legacy_DMA_RINGMEMSIZE, + &(ring->dmabase), GFP_KERNEL); + if (!ring->descbase) return -ENOMEM; - } - memset(ring->descbase, 0, B43legacy_DMA_RINGMEMSIZE); return 0; } @@ -811,12 +806,9 @@ static int b43legacy_dma_set_mask(struct b43legacy_wldev *dev, u64 mask) /* Try to set the DMA mask. If it fails, try falling back to a * lower mask, as we can always also support a lower one. */ while (1) { - err = dma_set_mask(dev->dev->dma_dev, mask); - if (!err) { - err = dma_set_coherent_mask(dev->dev->dma_dev, mask); - if (!err) - break; - } + err = dma_set_mask_and_coherent(dev->dev->dma_dev, mask); + if (!err) + break; if (mask == DMA_BIT_MASK(64)) { mask = DMA_BIT_MASK(32); fallback = true; |