[PATCH] sky2: add MSI support

Add MSI support to sky2 driver.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h
index db362b6..50e9f7d 100644
--- a/drivers/net/sky2.h
+++ b/drivers/net/sky2.h
@@ -1879,6 +1879,8 @@
 	struct sky2_status_le *st_le;
 	u32		     st_idx;
 	dma_addr_t   	     st_dma;
+	int		     msi_detected;
+	wait_queue_head_t    msi_wait;
 };
 
 /* Register accessor for memory mapped device */