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-rw-r--r--include/linux/thunderbolt.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/thunderbolt.h b/include/linux/thunderbolt.h
index 6151c210d987..2c835e5c41f6 100644
--- a/include/linux/thunderbolt.h
+++ b/include/linux/thunderbolt.h
@@ -86,7 +86,7 @@ struct tb {
unsigned long privdata[];
};
-extern struct bus_type tb_bus_type;
+extern const struct bus_type tb_bus_type;
extern struct device_type tb_service_type;
extern struct device_type tb_xdomain_type;