[PATCH] spidernet: fix HW structures for 64 bit dma_addr_t

The driver incorrectly used dma_addr_t to describe
HW structures and consequently broke when that type
was changed in 2.6.15-rc.

This changed spidernet to use u32 for 32 bit HW defined
structure elements.

From: Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
Signed-off-by: Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
Signed-off-by: Arnd Bergmann <arndb@de.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
diff --git a/drivers/net/spider_net.h b/drivers/net/spider_net.h
index 22b2f23..98f11ec 100644
--- a/drivers/net/spider_net.h
+++ b/drivers/net/spider_net.h
@@ -373,9 +373,9 @@
 
 struct spider_net_descr {
 	/* as defined by the hardware */
-	dma_addr_t buf_addr;
+	u32 buf_addr;
 	u32 buf_size;
-	dma_addr_t next_descr_addr;
+	u32 next_descr_addr;
 	u32 dmac_cmd_status;
 	u32 result_size;
 	u32 valid_size;	/* all zeroes for tx */