ACPI: Decouple ACPI idle and ACPI processor drivers

[mirror_ubuntu-bionic-kernel.git] / include / acpi / processor.h

diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index b6c917835805c6d20b5ad3e718db1d8b34ab84ad..2c4e7a9c1725ac4b5e429c07bc7d8af443ecf81a 100644 (file)
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -355,13 +355,35 @@ static inline void acpi_processor_throttling_init(void) {}
 #endif /* CONFIG_ACPI_CPU_FREQ_PSS */
 
 /* in processor_idle.c */
+extern struct cpuidle_driver acpi_idle_driver;
+#ifdef CONFIG_ACPI_PROCESSOR_IDLE
 int acpi_processor_power_init(struct acpi_processor *pr);
 int acpi_processor_power_exit(struct acpi_processor *pr);
 int acpi_processor_cst_has_changed(struct acpi_processor *pr);
 int acpi_processor_hotplug(struct acpi_processor *pr);
-extern struct cpuidle_driver acpi_idle_driver;
+#else
+static inline int acpi_processor_power_init(struct acpi_processor *pr)
+{
+       return -ENODEV;
+}
+
+static inline int acpi_processor_power_exit(struct acpi_processor *pr)
+{
+       return -ENODEV;
+}
+
+static inline int acpi_processor_cst_has_changed(struct acpi_processor *pr)
+{
+       return -ENODEV;
+}
+
+static inline int acpi_processor_hotplug(struct acpi_processor *pr)
+{
+       return -ENODEV;
+}
+#endif /* CONFIG_ACPI_PROCESSOR_IDLE */
 
-#ifdef CONFIG_PM_SLEEP
+#if defined(CONFIG_PM_SLEEP) & defined(CONFIG_ACPI_PROCESSOR_IDLE)
 void acpi_processor_syscore_init(void);
 void acpi_processor_syscore_exit(void);
 #else