diff options
| author | Ricardo B. Marliere <ricardo@marliere.net> | 2024-02-11 12:51:29 -0300 |
|---|---|---|
| committer | Sudeep Holla <sudeep.holla@arm.com> | 2024-02-20 06:40:34 +0000 |
| commit | 989e8661dc45babf43070d519011dfc1e33c8875 (patch) | |
| tree | 6c197aaf6bf004a34b2915c13ee41daea8c5fc14 | |
| parent | 6613476e225e090cc9aad49be7fa504e290dd33d (diff) | |
firmware: arm_ffa: Make ffa_bus_type const
Now that the driver core can properly handle constant struct bus_type,
move the ffa_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: Cristian Marussi <cristian.marussi@arm.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240211-bus_cleanup-firmware2-v1-1-1851c92c7be7@marliere.net
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
| -rw-r--r-- | drivers/firmware/arm_ffa/bus.c | 2 | ||||
| -rw-r--r-- | include/linux/arm_ffa.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/firmware/arm_ffa/bus.c b/drivers/firmware/arm_ffa/bus.c index 1c7940ba5539..2f557e90f2eb 100644 --- a/drivers/firmware/arm_ffa/bus.c +++ b/drivers/firmware/arm_ffa/bus.c @@ -105,7 +105,7 @@ static struct attribute *ffa_device_attributes_attrs[] = { }; ATTRIBUTE_GROUPS(ffa_device_attributes); -struct bus_type ffa_bus_type = { +const struct bus_type ffa_bus_type = { .name = "arm_ffa", .match = ffa_device_match, .probe = ffa_device_probe, diff --git a/include/linux/arm_ffa.h b/include/linux/arm_ffa.h index 3d0fde57ba90..c906f666ff5d 100644 --- a/include/linux/arm_ffa.h +++ b/include/linux/arm_ffa.h @@ -209,7 +209,7 @@ bool ffa_device_is_valid(struct ffa_device *ffa_dev) { return false; } #define module_ffa_driver(__ffa_driver) \ module_driver(__ffa_driver, ffa_register, ffa_unregister) -extern struct bus_type ffa_bus_type; +extern const struct bus_type ffa_bus_type; /* FFA transport related */ struct ffa_partition_info { |