ACPI_PDC_C_C2C3_FFH 121 arch/x86/include/asm/acpi.h buf[2] &= ~(ACPI_PDC_C_C2C3_FFH); ACPI_PDC_C_C2C3_FFH 33 include/acpi/pdc_intel.h ACPI_PDC_C_C2C3_FFH)