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-rw-r--r--drivers/pnp/base.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h
index e74a0f6a3157..4e80273dfb1e 100644
--- a/drivers/pnp/base.h
+++ b/drivers/pnp/base.h
@@ -6,6 +6,7 @@
extern struct mutex pnp_lock;
extern const struct attribute_group *pnp_dev_groups[];
+extern const struct bus_type pnp_bus_type;
int pnp_register_protocol(struct pnp_protocol *protocol);
void pnp_unregister_protocol(struct pnp_protocol *protocol);