[PATCH v2 08/46] net/wireless: b43: fix DMA direction for RX buffers
From: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Date: 2011-07-11 00:52:50
Also in:
linux-wireless
Subsystem:
networking drivers (wireless), the rest · Maintainers:
Johannes Berg, Linus Torvalds
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> --- drivers/net/wireless/b43/dma.c | 9 +++++---- 1 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index 7a09a46..15b11f0 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c@@ -336,8 +336,9 @@ static inline dmaaddr = dma_map_single(ring->dev->dev->dma_dev, buf, len, DMA_TO_DEVICE); } else { + /* DMA_BIDIRECTIONAL because of b43_poison_rx_buffer() */ dmaaddr = dma_map_single(ring->dev->dev->dma_dev, - buf, len, DMA_FROM_DEVICE); + buf, len, DMA_BIDIRECTIONAL); } return dmaaddr;
@@ -352,7 +353,7 @@ static inline addr, len, DMA_TO_DEVICE); } else { dma_unmap_single(ring->dev->dev->dma_dev, - addr, len, DMA_FROM_DEVICE); + addr, len, DMA_BIDIRECTIONAL); } }
@@ -362,7 +363,7 @@ static inline { B43_WARN_ON(ring->tx); dma_sync_single_for_cpu(ring->dev->dev->dma_dev, - addr, len, DMA_FROM_DEVICE); + addr, len, DMA_BIDIRECTIONAL); } static inline
@@ -371,7 +372,7 @@ static inline { B43_WARN_ON(ring->tx); dma_sync_single_for_device(ring->dev->dev->dma_dev, - addr, len, DMA_FROM_DEVICE); + addr, len, DMA_BIDIRECTIONAL); } static inline
--
1.7.5.4