Commit d1278c91 authored by Ricardo B. Marliere's avatar Ricardo B. Marliere Committed by Dmitry Torokhov
Browse files

Input: synaptics-rmi4 - make rmi_bus_type const 



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

Suggested-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarRicardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240210-bus_cleanup-input2-v1-1-0daef7e034e0@marliere.net


Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent d49193be

drivers/input/rmi4/rmi_bus.c

+1 −1
Original line number Diff line number Diff line
@@ -344,7 +344,7 @@ static int rmi_bus_match(struct device *dev, struct device_driver *drv) 
	return physical || rmi_function_match(dev, drv);

}



struct bus_type rmi_bus_type = {

const struct bus_type rmi_bus_type = {

	.match		= rmi_bus_match,

	.name		= "rmi4",

};

drivers/input/rmi4/rmi_bus.h

+1 −1
Original line number Diff line number Diff line
@@ -185,7 +185,7 @@ static inline int rmi_write_block(struct rmi_device *d, u16 addr, 


int rmi_for_each_dev(void *data, int (*func)(struct device *dev, void *data));



extern struct bus_type rmi_bus_type;

extern const struct bus_type rmi_bus_type;



int rmi_of_property_read_u32(struct device *dev, u32 *result,

				const char *prop, bool optional);