acpi_os_stall 76 drivers/acpi/acpica/evxfevnt.c acpi_os_stall(100); /* 100 usec */ acpi_os_stall 140 drivers/acpi/acpica/exsystem.c acpi_os_stall(how_long); acpi_os_stall 142 drivers/acpi/acpica/hwsleep.c acpi_os_stall(10 * ACPI_USEC_PER_SEC); acpi_os_stall 171 drivers/acpi/acpica/hwxfsleep.c acpi_os_stall(ACPI_USEC_PER_MSEC); acpi_os_stall 260 include/acpi/acpiosxf.h void acpi_os_stall(u32 microseconds);