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-rw-r--r--include/acpi/acpi_bus.h8
-rw-r--r--include/linux/acpi.h4
2 files changed, 11 insertions, 1 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 3a82faac5767..4bed30e61c5b 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -280,6 +280,12 @@ struct acpi_device_power {
struct acpi_device_power_state states[ACPI_D_STATE_COUNT]; /* Power states (D0-D3Cold) */
};
+struct acpi_dep_data {
+ struct list_head node;
+ acpi_handle supplier;
+ acpi_handle consumer;
+};
+
/* Performance Management */
struct acpi_device_perf_flags {
@@ -685,6 +691,8 @@ static inline bool acpi_device_can_poweroff(struct acpi_device *adev)
bool acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2);
+void acpi_dev_clear_dependencies(struct acpi_device *supplier);
+struct acpi_device *acpi_dev_get_first_consumer_dev(struct acpi_device *supplier);
struct acpi_device *
acpi_dev_get_next_match_dev(struct acpi_device *adev, const char *hid, const char *uid, s64 hrv);
struct acpi_device *
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index a74d37a3b618..e8ba7063c000 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -666,7 +666,9 @@ extern bool acpi_driver_match_device(struct device *dev,
const struct device_driver *drv);
int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
int acpi_device_modalias(struct device *, char *, int);
-void acpi_walk_dep_device_list(acpi_handle handle);
+int acpi_walk_dep_device_list(acpi_handle handle,
+ int (*callback)(struct acpi_dep_data *, void *),
+ void *data);
struct platform_device *acpi_create_platform_device(struct acpi_device *,
struct property_entry *);