ARM: PL08x: shrink srcbus/dstbus in txd structure

We only need to store the dma address.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/include/linux/amba/pl08x.h b/include/linux/amba/pl08x.h
index f858651..4e9e718 100644
--- a/include/linux/amba/pl08x.h
+++ b/include/linux/amba/pl08x.h
@@ -114,8 +114,8 @@
 	struct dma_async_tx_descriptor tx;
 	struct list_head node;
 	enum dma_data_direction	direction;
-	struct pl08x_bus_data srcbus;
-	struct pl08x_bus_data dstbus;
+	dma_addr_t src_addr;
+	dma_addr_t dst_addr;
 	size_t len;
 	dma_addr_t llis_bus;
 	void *llis_va;