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Technically the sysfs attributes should be initialized before the class is registered, since that will use them. As a nice side effect this nicely simplifies the code, since it allows dropping the helper variable. Reviewed-by: Ricardo B. Marliere <ricardo@marliere.net> Link: https://lore.kernel.org/r/20240301-psy-class-cleanup-v1-2-aebe8c4b6b08@collabora.com Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>