1 files changed, 12 insertions, 0 deletions

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index e4da5e35e29c..5da2d2e9d38e 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -332,6 +332,9 @@ int acpi_check_region(resource_size_t start, resource_size_t n,
 
 int acpi_resources_are_enforced(void);
 
+int acpi_reserve_region(u64 start, unsigned int length, u8 space_id,
+                        unsigned long flags, char *desc);
+
 #ifdef CONFIG_HIBERNATION
 void __init acpi_no_s4_hw_signature(void);
 #endif
@@ -440,6 +443,7 @@ extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED        0x82
 
 extern void acpi_early_init(void);
+extern void acpi_subsystem_init(void);
 
 extern int acpi_nvs_register(__u64 start, __u64 size);
 
@@ -494,6 +498,7 @@ static inline const char *acpi_dev_name(struct acpi_device *adev)
 }
 
 static inline void acpi_early_init(void) { }
+static inline void acpi_subsystem_init(void) { }
 
 static inline int early_acpi_boot_init(void)
 {
@@ -525,6 +530,13 @@ static inline int acpi_check_region(resource_size_t start, resource_size_t n,
         return 0;
 }
 
+static inline int acpi_reserve_region(u64 start, unsigned int length,
+                                      u8 space_id, unsigned long flags,
+                                      char *desc)
+{
+        return -ENXIO;
+}
+
 struct acpi_table_header;
 static inline int acpi_table_parse(char *id,
                                 int (*handler)(struct acpi_table_header *))