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Diffstat (limited to 'include/linux/acpi.h')
-rw-r--r--include/linux/acpi.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index f6d4539c3895..6f64b2f3dc54 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -764,6 +764,7 @@ static inline u64 acpi_arch_get_root_pointer(void)
#endif
int acpi_get_local_address(acpi_handle handle, u32 *addr);
+const char *acpi_get_subsystem_id(acpi_handle handle);
#else /* !CONFIG_ACPI */
@@ -1025,6 +1026,11 @@ static inline int acpi_get_local_address(acpi_handle handle, u32 *addr)
return -ENODEV;
}
+static inline const char *acpi_get_subsystem_id(acpi_handle handle)
+{
+ return ERR_PTR(-ENODEV);
+}
+
static inline int acpi_register_wakeup_handler(int wake_irq,
bool (*wakeup)(void *context), void *context)
{
@@ -1245,7 +1251,7 @@ static inline bool acpi_dev_has_props(const struct acpi_device *adev)
struct acpi_device_properties *
acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
- const union acpi_object *properties);
+ union acpi_object *properties);
int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
void **valptr);