FAN_PERIOD_TO_RPM 183 drivers/hwmon/adt7462.c #define FAN_PERIOD_TO_RPM(x) ((90000 * 60) / (x)) FAN_PERIOD_TO_RPM 129 drivers/hwmon/adt7470.c #define FAN_PERIOD_TO_RPM(x) ((90000 * 60) / (x)) FAN_PERIOD_TO_RPM 92 drivers/hwmon/ultra45_env.c #define FAN_PERIOD_TO_RPM(x) ((90000 * 60) / (x))