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dio: make dio_bus_type const

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

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240212-bus_cleanup-dio-v2-1-3b1ba4c0547d@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ricardo B. Marliere 2024-02-12 08:41:01 -03:00 committed by Greg Kroah-Hartman
parent c65f52fc47
commit cb1c122419
2 changed files with 2 additions and 2 deletions
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2
drivers/dio/dio-driver.c
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@ -123,7 +123,7 @@ static int dio_bus_match(struct device *dev, struct device_driver *drv)
}
struct bus_type dio_bus_type = {
const struct bus_type dio_bus_type = {
.name = "dio",
.match = dio_bus_match,
.probe = dio_device_probe,

2
include/linux/dio.h
View File

@ -68,7 +68,7 @@ struct dio_bus {
};
extern struct dio_bus dio_bus; /* Single DIO bus */
extern struct bus_type dio_bus_type;
extern const struct bus_type dio_bus_type;
/*
* DIO device IDs