sfc: Decouple NIC revision number from Falcon PCI revision number

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index ca7dff2..a42a051 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -844,6 +844,7 @@
 /**
  * struct efx_nic_type - Efx device type definition
  * @default_mac_ops: efx_mac_operations to set at startup
+ * @revision: Hardware architecture revision
  * @mem_map_size: Memory BAR mapped size
  * @txd_ptr_tbl_base: TX descriptor ring base address
  * @rxd_ptr_tbl_base: RX descriptor ring base address
@@ -860,6 +861,7 @@
 struct efx_nic_type {
 	struct efx_mac_operations *default_mac_ops;
 
+	int revision;
 	unsigned int mem_map_size;
 	unsigned int txd_ptr_tbl_base;
 	unsigned int rxd_ptr_tbl_base;