87b63f73e248 ("pwm: samsung: Make use of pwmchip_parent() accessor")
70efbf88912c ("pwm: samsung: Change prototype of helpers to prepare further changes")
56696c1c04f4 ("pwm: samsung: Simplify code to determine the pwmchip's parent device")
9608405bdaa5 ("pwm: samsung: Consistently use the same name for driver data")