tacho_unit        504 drivers/hwmon/aspeed-pwm-tacho.c 	u16 tacho_unit;
tacho_unit        517 drivers/hwmon/aspeed-pwm-tacho.c 	tacho_unit = priv->type_fan_tach_unit[type];
tacho_unit        521 drivers/hwmon/aspeed-pwm-tacho.c 	return clk / (clk_unit * div_h * div_l * tacho_div * tacho_unit);