IB/ipath: Support revision 2 InfiniPath PCIE devices

This also entailed a little GPIO-interrupt general cleanup.

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

drivers/infiniband/hw/ipath/ipath_common.h

@@ -186,6 +186,8 @@ typedef enum _ipath_ureg {
 #define IPATH_RUNTIME_FORCE_WC_ORDER	0x4
 #define IPATH_RUNTIME_RCVHDR_COPY	0x8
 #define IPATH_RUNTIME_MASTER	0x10
+#define IPATH_RUNTIME_PBC_REWRITE 0x20
+#define IPATH_RUNTIME_LOOSE_DMA_ALIGN 0x40
 
 /*
  * This structure is returned by ipath_userinit() immediately after