ACPI_USEC_PER_SEC  142 drivers/acpi/acpica/hwsleep.c 		acpi_os_stall(10 * ACPI_USEC_PER_SEC);
ACPI_USEC_PER_SEC  167 drivers/acpi/acpica/hwtimer.c 	status = acpi_ut_short_divide(delta_ticks * ACPI_USEC_PER_SEC,