b43: fix DMA on some bugged hardware

Some hardware with 64-bit DMA uses lower address word for setting
routing (translation) bit. Add workaround for such boards.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/net/wireless/b43/dma.h b/drivers/net/wireless/b43/dma.h
index 546d19cbf5d5..7e20b04fa51a 100644
--- a/drivers/net/wireless/b43/dma.h
+++ b/drivers/net/wireless/b43/dma.h
@@ -215,6 +215,12 @@ enum b43_dmatype {
         B43_DMA_64BIT   = 64,
 };
 
+enum b43_addrtype {
+        B43_DMA_ADDR_LOW,
+        B43_DMA_ADDR_HIGH,
+        B43_DMA_ADDR_EXT,
+};
+
 struct b43_dmaring {
         /* Lowlevel DMA ops. */
         const struct b43_dma_ops *ops;