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b44: Use kernel DMA addresses for the kernel DMA API

We must not use the device DMA addresses for the kernel DMA API, because
device DMA addresses have an additional offset added for the SSB translation.

Use the original dma_addr_t for the sync operation.

Cc: stable@kernel.org
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michael Buesch 16 жил өмнө
parent
commit
37efa23990
1 өөрчлөгдсөн 1 нэмэгдсэн , 1 устгасан
  1. 1 1
      drivers/net/b44.c

+ 1 - 1
drivers/net/b44.c

@@ -750,7 +750,7 @@ static void b44_recycle_rx(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
 					     dest_idx * sizeof(*dest_desc),
 					     DMA_BIDIRECTIONAL);
 
-	ssb_dma_sync_single_for_device(bp->sdev, le32_to_cpu(src_desc->addr),
+	ssb_dma_sync_single_for_device(bp->sdev, dest_map->mapping,
 				       RX_PKT_BUF_SZ,
 				       DMA_FROM_DEVICE);
 }