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Input: synaptics-rmi4 - make rmi_bus_type const

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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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240210-bus_cleanup-input2-v1-1-0daef7e034e0@marliere.net
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Ricardo B. Marliere 2024-03-03 15:05:23 -08:00 committed by Dmitry Torokhov
parent d49193be63
commit d1278c91fe
2 changed files with 2 additions and 2 deletions
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2
drivers/input/rmi4/rmi_bus.c
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@ -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",
};

2
drivers/input/rmi4/rmi_bus.h
View File

@ -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);