1 files changed, 41 insertions, 11 deletions

diff --git a/kernel/include/acpi/acpi_bus.h b/kernel/include/acpi/acpi_bus.h
index 8de4fa90e..ad0a5ff3d 100644
--- a/kernel/include/acpi/acpi_bus.h
+++ b/kernel/include/acpi/acpi_bus.h
@@ -16,10 +16,6 @@
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  *  General Public License for more details.
  *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- *
  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  */
 
@@ -133,7 +129,7 @@ static inline struct acpi_hotplug_profile *to_acpi_hotplug_profile(
 struct acpi_scan_handler {
 	const struct acpi_device_id *ids;
 	struct list_head list_node;
-	bool (*match)(char *idstr, const struct acpi_device_id **matchid);
+	bool (*match)(const char *idstr, const struct acpi_device_id **matchid);
 	int (*attach)(struct acpi_device *dev, const struct acpi_device_id *id);
 	void (*detach)(struct acpi_device *dev);
 	void (*bind)(struct device *phys_dev);
@@ -208,7 +204,10 @@ struct acpi_device_flags {
 	u32 visited:1;
 	u32 hotplug_notify:1;
 	u32 is_dock_station:1;
-	u32 reserved:23;
+	u32 of_compatible_ok:1;
+	u32 coherent_dma:1;
+	u32 cca_seen:1;
+	u32 reserved:20;
 };
 
 /* File System */
@@ -228,7 +227,7 @@ typedef char acpi_device_class[20];
 
 struct acpi_hardware_id {
 	struct list_head list;
-	char *id;
+	const char *id;
 };
 
 struct acpi_pnp_type {
@@ -271,7 +270,6 @@ struct acpi_device_power_flags {
 struct acpi_device_power_state {
 	struct {
 		u8 valid:1;
-		u8 os_accessible:1;
 		u8 explicit_set:1;	/* _PSx present? */
 		u8 reserved:6;
 	} flags;
@@ -345,6 +343,7 @@ struct acpi_device_data {
 	const union acpi_object *pointer;
 	const union acpi_object *properties;
 	const union acpi_object *of_compatible;
+	struct list_head subnodes;
 };
 
 struct acpi_gpio_mapping;
@@ -380,17 +379,45 @@ struct acpi_device {
 	void (*remove)(struct acpi_device *);
 };
 
+/* Non-device subnode */
+struct acpi_data_node {
+	const char *name;
+	acpi_handle handle;
+	struct fwnode_handle fwnode;
+	struct acpi_device_data data;
+	struct list_head sibling;
+	struct kobject kobj;
+	struct completion kobj_done;
+};
+
 static inline bool is_acpi_node(struct fwnode_handle *fwnode)
 {
+	return fwnode && (fwnode->type == FWNODE_ACPI
+		|| fwnode->type == FWNODE_ACPI_DATA);
+}
+
+static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
+{
 	return fwnode && fwnode->type == FWNODE_ACPI;
 }
 
-static inline struct acpi_device *acpi_node(struct fwnode_handle *fwnode)
+static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
 {
-	return is_acpi_node(fwnode) ?
+	return is_acpi_device_node(fwnode) ?
 		container_of(fwnode, struct acpi_device, fwnode) : NULL;
 }
 
+static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
+{
+	return fwnode && fwnode->type == FWNODE_ACPI_DATA;
+}
+
+static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
+{
+	return is_acpi_data_node(fwnode) ?
+		container_of(fwnode, struct acpi_data_node, fwnode) : NULL;
+}
+
 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
 {
 	return &adev->fwnode;
@@ -535,6 +562,9 @@ struct acpi_pci_root {
 
 /* helper */
 
+bool acpi_dma_supported(struct acpi_device *adev);
+enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev);
+
 struct acpi_device *acpi_find_child_device(struct acpi_device *parent,
 					   u64 address, bool check_children);
 int acpi_is_root_bridge(acpi_handle);
@@ -601,7 +631,7 @@ static inline bool acpi_device_can_wakeup(struct acpi_device *adev)
 
 static inline bool acpi_device_can_poweroff(struct acpi_device *adev)
 {
-	return adev->power.states[ACPI_STATE_D3_COLD].flags.os_accessible;
+	return adev->power.states[ACPI_STATE_D3_COLD].flags.valid;
 }
 
 #else	/* CONFIG_ACPI */