ACPI_BITREG_BUS_MASTER_STATUS  629 drivers/acpi/processor_idle.c 	acpi_read_bit_register(ACPI_BITREG_BUS_MASTER_STATUS, &bm_status);
ACPI_BITREG_BUS_MASTER_STATUS  631 drivers/acpi/processor_idle.c 		acpi_write_bit_register(ACPI_BITREG_BUS_MASTER_STATUS, 1);