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staging: vc04_services: vchiq_arm: make vchiq_bus_type const

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Now that the driver core can properly handle constant struct bus_type,
move the vchiq_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.

Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240208-bus_cleanup-staging2-v1-1-cfe906133a2c@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ricardo B. Marliere 2024-02-08 16:17:51 -03:00 committed by Greg Kroah-Hartman
parent e1f97d7ef6
commit 869eb452ae
2 changed files with 2 additions and 2 deletions
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2
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_bus.c
View File

@ -37,7 +37,7 @@ static int vchiq_bus_probe(struct device *dev)
return driver->probe(device);
}
struct bus_type vchiq_bus_type = {
const struct bus_type vchiq_bus_type = {
.name = "vchiq-bus",
.match = vchiq_bus_type_match,
.uevent = vchiq_bus_uevent,

2
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_bus.h
View File

@ -34,7 +34,7 @@ static inline struct vchiq_driver *to_vchiq_driver(struct device_driver *d)
return container_of(d, struct vchiq_driver, driver);
}
extern struct bus_type vchiq_bus_type;
extern const struct bus_type vchiq_bus_type;
struct vchiq_device *
vchiq_device_register(struct device *parent, const char *name);