1 files changed, 68 insertions, 7 deletions

diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 71ff887ca44e..d7ecad0093bb 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -21,7 +21,7 @@ struct platform_device {
         u32             num_resources;
         struct resource * resource;
 
-        struct platform_device_id       *id_entry;
+        const struct platform_device_id *id_entry;
 
         /* arch specific additions */
         struct pdev_archdata    archdata;
@@ -43,13 +43,69 @@ extern struct resource *platform_get_resource_byname(struct platform_device *, u
 extern int platform_get_irq_byname(struct platform_device *, const char *);
 extern int platform_add_devices(struct platform_device **, int);
 
-extern struct platform_device *platform_device_register_simple(const char *, int id,
-                                        struct resource *, unsigned int);
-extern struct platform_device *platform_device_register_data(struct device *,
-                const char *, int, const void *, size_t);
+extern struct platform_device *platform_device_register_resndata(
+                struct device *parent, const char *name, int id,
+                const struct resource *res, unsigned int num,
+                const void *data, size_t size);
+
+/**
+ * platform_device_register_simple - add a platform-level device and its resources
+ * @name: base name of the device we're adding
+ * @id: instance id
+ * @res: set of resources that needs to be allocated for the device
+ * @num: number of resources
+ *
+ * This function creates a simple platform device that requires minimal
+ * resource and memory management. Canned release function freeing memory
+ * allocated for the device allows drivers using such devices to be
+ * unloaded without waiting for the last reference to the device to be
+ * dropped.
+ *
+ * This interface is primarily intended for use with legacy drivers which
+ * probe hardware directly.  Because such drivers create sysfs device nodes
+ * themselves, rather than letting system infrastructure handle such device
+ * enumeration tasks, they don't fully conform to the Linux driver model.
+ * In particular, when such drivers are built as modules, they can't be
+ * "hotplugged".
+ *
+ * Returns &struct platform_device pointer on success, or ERR_PTR() on error.
+ */
+static inline struct platform_device *platform_device_register_simple(
+                const char *name, int id,
+                const struct resource *res, unsigned int num)
+{
+        return platform_device_register_resndata(NULL, name, id,
+                        res, num, NULL, 0);
+}
+
+/**
+ * platform_device_register_data - add a platform-level device with platform-specific data
+ * @parent: parent device for the device we're adding
+ * @name: base name of the device we're adding
+ * @id: instance id
+ * @data: platform specific data for this platform device
+ * @size: size of platform specific data
+ *
+ * This function creates a simple platform device that requires minimal
+ * resource and memory management. Canned release function freeing memory
+ * allocated for the device allows drivers using such devices to be
+ * unloaded without waiting for the last reference to the device to be
+ * dropped.
+ *
+ * Returns &struct platform_device pointer on success, or ERR_PTR() on error.
+ */
+static inline struct platform_device *platform_device_register_data(
+                struct device *parent, const char *name, int id,
+                const void *data, size_t size)
+{
+        return platform_device_register_resndata(parent, name, id,
+                        NULL, 0, data, size);
+}
 
 extern struct platform_device *platform_device_alloc(const char *name, int id);
-extern int platform_device_add_resources(struct platform_device *pdev, struct resource *res, unsigned int num);
+extern int platform_device_add_resources(struct platform_device *pdev,
+                                         const struct resource *res,
+                                         unsigned int num);
 extern int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size);
 extern int platform_device_add(struct platform_device *pdev);
 extern void platform_device_del(struct platform_device *pdev);
@@ -62,7 +118,7 @@ struct platform_driver {
         int (*suspend)(struct platform_device *, pm_message_t state);
         int (*resume)(struct platform_device *);
         struct device_driver driver;
-        struct platform_device_id *id_table;
+        const struct platform_device_id *id_table;
 };
 
 extern int platform_driver_register(struct platform_driver *);
@@ -77,6 +133,11 @@ extern int platform_driver_probe(struct platform_driver *driver,
 #define platform_get_drvdata(_dev)      dev_get_drvdata(&(_dev)->dev)
 #define platform_set_drvdata(_dev,data) dev_set_drvdata(&(_dev)->dev, (data))
 
+extern struct platform_device *platform_create_bundle(struct platform_driver *driver,
+                                        int (*probe)(struct platform_device *),
+                                        struct resource *res, unsigned int n_res,
+                                        const void *data, size_t size);
+
 /* early platform driver interface */
 struct early_platform_driver {
         const char *class_str;