Commit 37efa239 authored Apr 06, 2009 by Michael Buesch Committed by David S. Miller Apr 06, 2009

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>

parent 35a7433c

drivers/net/b44.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);
		}

Admin message