diff options
| author | Ricardo B. Marliere <ricardo@marliere.net> | 2024-02-12 12:41:01 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-03-07 21:37:04 +0100 |
| commit | cb1c1224193e648b4108dd06ebb7cc86b5c514ad (patch) | |
| tree | ea1c7eec7c463eabd68ae9daebc368b083ae6217 | |
| parent | ipack: make ipack_bus_type const (diff) | |
| download | linux-cb1c1224193e648b4108dd06ebb7cc86b5c514ad.tar.xz linux-cb1c1224193e648b4108dd06ebb7cc86b5c514ad.zip | |
dio: make dio_bus_type const
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>
| -rw-r--r-- | drivers/dio/dio-driver.c | 2 | ||||
| -rw-r--r-- | include/linux/dio.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/dio/dio-driver.c b/drivers/dio/dio-driver.c index 69c46935ffc7..2d9fa6011945 100644 --- a/drivers/dio/dio-driver.c +++ b/drivers/dio/dio-driver.c @@ -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, diff --git a/include/linux/dio.h b/include/linux/dio.h index 5abd07361eb5..2b5923909f96 100644 --- a/include/linux/dio.h +++ b/include/linux/dio.h @@ -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 |