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Since commit aed65af1cc2f ("drivers: make device_type const"), the driver core can properly handle constant struct device_type. Move the wwan_type variable to be a constant structure as well, placing it into read-only memory which can not be modified at runtime. Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net> Link: https://lore.kernel.org/r/20240217-device_cleanup-staging-v1-1-286479d9a3f0@marliere.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>