Commit 00c4a3c4 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

driver core: bus: constantify bus_register() 

bus_register() is now safe to take a constant * to bus_type, so make
that change and mark the subsys_private bus_type * constant as well.

Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/20230313182918.1312597-24-gregkh@linuxfoundation.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 75cff725

drivers/base/base.h

+1 −1
Original line number Diff line number Diff line
@@ -49,7 +49,7 @@ struct subsys_private { 
	struct klist klist_drivers;

	struct blocking_notifier_head bus_notifier;

	unsigned int drivers_autoprobe:1;

	struct bus_type *bus;

	const struct bus_type *bus;

	struct device *dev_root;



	struct kset glue_dirs;

drivers/base/bus.c

+1 −1
Original line number Diff line number Diff line
@@ -841,7 +841,7 @@ static struct bus_attribute bus_attr_uevent = __ATTR(uevent, 0200, NULL, 
 * infrastructure, then register the children subsystems it has:

 * the devices and drivers that belong to the subsystem.

 */

int bus_register(struct bus_type *bus)

int bus_register(const struct bus_type *bus)

{

	int retval;

	struct subsys_private *priv;

include/linux/device/bus.h

+1 −1
Original line number Diff line number Diff line
@@ -110,7 +110,7 @@ struct bus_type { 
	bool need_parent_lock;

};



extern int __must_check bus_register(struct bus_type *bus);

extern int __must_check bus_register(const struct bus_type *bus);



extern void bus_unregister(const struct bus_type *bus);