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Subject[PATCH 1/2] 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.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
---
drivers/input/rmi4/rmi_bus.c | 2 +-
drivers/input/rmi4/rmi_bus.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/input/rmi4/rmi_bus.c b/drivers/input/rmi4/rmi_bus.c
index 1b45b1d3077d..343030290d78 100644
--- a/drivers/input/rmi4/rmi_bus.c
+++ b/drivers/input/rmi4/rmi_bus.c
@@ -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",
};
diff --git a/drivers/input/rmi4/rmi_bus.h b/drivers/input/rmi4/rmi_bus.h
index 25df6320f9f1..ea46ad9447ec 100644
--- a/drivers/input/rmi4/rmi_bus.h
+++ b/drivers/input/rmi4/rmi_bus.h
@@ -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);
--
2.43.0


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