of: make of_node_ktype constant

Since commit ee6d3dd4ed48 ("driver core: make kobj_type constant.")
the driver core allows the usage of const struct kobj_type.

Take advantage of this to constify the structure definition to prevent
modification at runtime.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20230204-kobj_type-of-v1-1-5910c8ecb7a3@weissschuh.net
Signed-off-by: Rob Herring <robh@kernel.org>

diff --git a/drivers/of/kobj.c b/drivers/of/kobj.c
index 7d3853a5a09a040a570a53ff0155ef35e3e7e423..3dbce1e6f184fcd78ea6e04a41fe431069eb297e 100644 (file)
--- a/drivers/of/kobj.c
+++ b/drivers/of/kobj.c
@@ -24,7 +24,7 @@ static void of_node_release(struct kobject *kobj)
 }
 #endif /* CONFIG_OF_DYNAMIC */
 
-struct kobj_type of_node_ktype = {
+const struct kobj_type of_node_ktype = {
        .release = of_node_release,
 };
 

diff --git a/include/linux/of.h b/include/linux/of.h
index 8b9f94386dc3ad5b00ad5e09807f5e3cc4ee461a..8bb348666709b16fd761f35ae2c1481d061ff53a 100644 (file)
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -101,7 +101,7 @@ struct of_reconfig_data {
 };
 
 /* initialize a node */
-extern struct kobj_type of_node_ktype;
+extern const struct kobj_type of_node_ktype;
 extern const struct fwnode_operations of_fwnode_ops;
 static inline void of_node_init(struct device_node *node)
 {