dfu: Fix up the Kconfig mess

[people/ms/u-boot.git] / include / dm / root.h

diff --git a/include/dm/root.h b/include/dm/root.h
index a4826a6e3cc485abeb619604c13ac4767abe6184..b075eef2c1a45ce5cca12b690eb11e2a32e9702c 100644 (file)
--- a/include/dm/root.h
+++ b/include/dm/root.h
@@ -21,24 +21,79 @@ struct udevice;
  */
 struct udevice *dm_root(void);
 
+struct global_data;
+/**
+ * dm_fixup_for_gd_move() - Handle global_data moving to a new place
+ *
+ * The uclass list is part of global_data. Due to the way lists work, moving
+ * the list will cause it to become invalid. This function fixes that up so
+ * that the uclass list will work correctly.
+ */
+void dm_fixup_for_gd_move(struct global_data *new_gd);
+
 /**
  * dm_scan_platdata() - Scan all platform data and bind drivers
  *
  * This scans all available platdata and creates drivers for each
  *
+ * @pre_reloc_only: If true, bind only drivers with the DM_FLAG_PRE_RELOC
+ * flag. If false bind all drivers.
  * @return 0 if OK, -ve on error
  */
-int dm_scan_platdata(void);
+int dm_scan_platdata(bool pre_reloc_only);
 
 /**
  * dm_scan_fdt() - Scan the device tree and bind drivers
  *
- * This scans the device tree and creates a driver for each node
+ * This scans the device tree and creates a driver for each node. Only
+ * the top-level subnodes are examined.
  *
  * @blob: Pointer to device tree blob
+ * @pre_reloc_only: If true, bind only drivers with the DM_FLAG_PRE_RELOC
+ * flag. If false bind all drivers.
+ * @return 0 if OK, -ve on error
+ */
+int dm_scan_fdt(const void *blob, bool pre_reloc_only);
+
+/**
+ * dm_extended_scan_fdt() - Scan the device tree and bind drivers
+ *
+ * This calls dm_scna_dft() which scans the device tree and creates a driver
+ * for each node. the top-level subnodes are examined and also all sub-nodes
+ * of "clocks" node.
+ *
+ * @blob: Pointer to device tree blob
+ * @pre_reloc_only: If true, bind only drivers with the DM_FLAG_PRE_RELOC
+ * flag. If false bind all drivers.
+ * @return 0 if OK, -ve on error
+ */
+int dm_extended_scan_fdt(const void *blob, bool pre_reloc_only);
+
+/**
+ * dm_scan_other() - Scan for other devices
+ *
+ * Some devices may not be visible to Driver Model. This weak function can
+ * be provided by boards which wish to create their own devices
+ * programmaticaly. They should do this by calling device_bind() on each
+ * device.
+ *
+ * @pre_reloc_only: If true, bind only drivers with the DM_FLAG_PRE_RELOC
+ * flag. If false bind all drivers.
+ */
+int dm_scan_other(bool pre_reloc_only);
+
+/**
+ * dm_init_and_scan() - Initialise Driver Model structures and scan for devices
+ *
+ * This function initialises the roots of the driver tree and uclass trees,
+ * then scans and binds available devices from platform data and the FDT.
+ * This calls dm_init() to set up Driver Model structures.
+ *
+ * @pre_reloc_only: If true, bind only drivers with the DM_FLAG_PRE_RELOC
+ * flag. If false bind all drivers.
  * @return 0 if OK, -ve on error
  */
-int dm_scan_fdt(const void *blob);
+int dm_init_and_scan(bool pre_reloc_only);
 
 /**
  * dm_init() - Initialise Driver Model structures
@@ -46,8 +101,33 @@ int dm_scan_fdt(const void *blob);
  * This function will initialize roots of driver tree and class tree.
  * This needs to be called before anything uses the DM
  *
+ * @of_live:   Enable live device tree
  * @return 0 if OK, -ve on error
  */
-int dm_init(void);
+int dm_init(bool of_live);
+
+/**
+ * dm_uninit - Uninitialise Driver Model structures
+ *
+ * All devices will be removed and unbound
+ * @return 0 if OK, -ve on error
+ */
+int dm_uninit(void);
+
+#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE)
+/**
+ * dm_remove_devices_flags - Call remove function of all drivers with
+ *                           specific removal flags set to selectively
+ *                           remove drivers
+ *
+ * All devices with the matching flags set will be removed
+ *
+ * @flags: Flags for selective device removal
+ * @return 0 if OK, -ve on error
+ */
+int dm_remove_devices_flags(uint flags);
+#else
+static inline int dm_remove_devices_flags(uint flags) { return 0; }
+#endif
 
 #endif