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Diffstat (limited to 'include/linux/rio.h')
-rw-r--r--include/linux/rio.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/rio.h b/include/linux/rio.h
index 3c29f40f3c94..2c29f21ba9e5 100644
--- a/include/linux/rio.h
+++ b/include/linux/rio.h
@@ -78,7 +78,7 @@
#define RIO_CTAG_RESRVD 0xfffe0000 /* Reserved */
#define RIO_CTAG_UDEVID 0x0001ffff /* Unique device identifier */
-extern struct bus_type rio_bus_type;
+extern const struct bus_type rio_bus_type;
extern struct class rio_mport_class;
struct rio_mport;