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tee: make tee_bus_type const

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Since commit d492cc2573 ("driver core: device.h: make struct
bus_type a const *"), the driver core can properly handle constant
struct bus_type, move the tee_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: Sumit Garg <sumit.garg@linaro.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Ricardo B. Marliere 2024-02-13 11:46:25 -03:00 committed by Arnd Bergmann
parent 19a4eaaef2
commit 469f6acd9a
2 changed files with 2 additions and 2 deletions
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2
drivers/tee/tee_core.c
View File

@ -1226,7 +1226,7 @@ static int tee_client_device_uevent(const struct device *dev,
return add_uevent_var(env, "MODALIAS=tee:%pUb", dev_id);
}
struct bus_type tee_bus_type = {
const struct bus_type tee_bus_type = {
.name = "tee",
.match = tee_client_device_match,
.uevent = tee_client_device_uevent,

2
include/linux/tee_drv.h
View File

@ -482,7 +482,7 @@ static inline bool tee_param_is_memref(struct tee_param *param)
}
}
extern struct bus_type tee_bus_type;
extern const struct bus_type tee_bus_type;
/**
* struct tee_client_device - tee based device