tach_div 527 drivers/hwmon/aspeed-pwm-tacho.c u32 raw_data, tach_div, clk_source, msec, usec, val; tach_div 553 drivers/hwmon/aspeed-pwm-tacho.c tach_div = priv->type_fan_tach_clock_division[type]; tach_div 561 drivers/hwmon/aspeed-pwm-tacho.c tach_div = (0x4 << both) << (tach_div * 2); tach_div 567 drivers/hwmon/aspeed-pwm-tacho.c return (clk_source * 60) / (2 * raw_data * tach_div);