static inline void acpi_init_cpus(void) { }
#endif /* CONFIG_ACPI */
+#ifdef CONFIG_ARM64_ACPI_PARKING_PROTOCOL
+bool acpi_parking_protocol_valid(int cpu);
+void __init
+acpi_set_mailbox_entry(int cpu, struct acpi_madt_generic_interrupt *processor);
+#else
+static inline bool acpi_parking_protocol_valid(int cpu) { return false; }
+static inline void
+acpi_set_mailbox_entry(int cpu, struct acpi_madt_generic_interrupt *processor)
+{}
+#endif
+
static inline const char *acpi_get_enable_method(int cpu)
{
- return acpi_psci_present() ? "psci" : NULL;
+ if (acpi_psci_present())
+ return "psci";
+
+ if (acpi_parking_protocol_valid(cpu))
+ return "parking-protocol";
+
+ return NULL;
}
#ifdef CONFIG_ACPI_APEI