driver core: pass a const * into of_device_uevent()

of_device_uevent() does not modify the struct device * passed into it,
so make it a const * to enforce this.  Also the documentation for the
function was really wrong so fix that up at the same time.

Cc: Rob Herring <robh+dt@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: devicetree@vger.kernel.org
Link: https://lore.kernel.org/r/20221121094649.1556002-5-gregkh@linuxfoundation.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/of/device.c

@@ -332,10 +332,10 @@ EXPORT_SYMBOL_GPL(of_device_modalias);
 
 /**
  * of_device_uevent - Display OF related uevent information
- * @dev:	Device to apply DMA configuration
- * @env:	Kernel object's userspace event reference
+ * @dev:	Device to display the uevent information for
+ * @env:	Kernel object's userspace event reference to fill up
  */
-void of_device_uevent(struct device *dev, struct kobj_uevent_env *env)
+void of_device_uevent(const struct device *dev, struct kobj_uevent_env *env)
 {
 	const char *compat, *type;
 	struct alias_prop *app;

include/linux/of_device.h

@@ -35,7 +35,7 @@ extern const void *of_device_get_match_data(const struct device *dev);
 extern ssize_t of_device_modalias(struct device *dev, char *str, ssize_t len);
 extern int of_device_request_module(struct device *dev);
 
-extern void of_device_uevent(struct device *dev, struct kobj_uevent_env *env);
+extern void of_device_uevent(const struct device *dev, struct kobj_uevent_env *env);
 extern int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env);
 
 static inline struct device_node *of_cpu_device_node_get(int cpu)
@@ -64,7 +64,7 @@ static inline int of_driver_match_device(struct device *dev,
 	return 0;
 }
 
-static inline void of_device_uevent(struct device *dev,
+static inline void of_device_uevent(const struct device *dev,
 			struct kobj_uevent_env *env) { }
 
 static inline const void *of_device_get_match_data(const struct device *dev)