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driver core: bus: constantify bus_register()

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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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2023-03-13 19:29:06 +01:00
parent 75cff725d9
commit 00c4a3c47d
3 changed files with 3 additions and 3 deletions
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2
drivers/base/base.h
View File

@ -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;

2
drivers/base/bus.c
View File

@ -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;

2
include/linux/device/bus.h
View File

@ -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);