1 files changed, 49 insertions, 0 deletions

diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 9a342699c607..72736fd8223c 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -12,6 +12,7 @@
 #define _PLATFORM_DEVICE_H_
 
 #include <linux/device.h>
+#include <linux/mod_devicetable.h>
 
 struct platform_device {
         const char      * name;
@@ -19,8 +20,13 @@ struct platform_device {
         struct device   dev;
         u32             num_resources;
         struct resource * resource;
+        void            *platform_data;
+
+        struct platform_device_id       *id_entry;
 };
 
+#define platform_get_device_id(pdev)    ((pdev)->id_entry)
+
 #define to_platform_device(x) container_of((x), struct platform_device, dev)
 
 extern int platform_device_register(struct platform_device *);
@@ -56,6 +62,7 @@ struct platform_driver {
         int (*resume_early)(struct platform_device *);
         int (*resume)(struct platform_device *);
         struct device_driver driver;
+        struct platform_device_id *id_table;
 };
 
 extern int platform_driver_register(struct platform_driver *);
@@ -70,4 +77,46 @@ 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))
 
+/* early platform driver interface */
+struct early_platform_driver {
+        const char *class_str;
+        struct platform_driver *pdrv;
+        struct list_head list;
+        int requested_id;
+};
+
+#define EARLY_PLATFORM_ID_UNSET -2
+#define EARLY_PLATFORM_ID_ERROR -3
+
+extern int early_platform_driver_register(struct early_platform_driver *epdrv,
+                                          char *buf);
+extern void early_platform_add_devices(struct platform_device **devs, int num);
+
+static inline int is_early_platform_device(struct platform_device *pdev)
+{
+        return !pdev->dev.driver;
+}
+
+extern void early_platform_driver_register_all(char *class_str);
+extern int early_platform_driver_probe(char *class_str,
+                                       int nr_probe, int user_only);
+extern void early_platform_cleanup(void);
+
+
+#ifndef MODULE
+#define early_platform_init(class_string, platform_driver)              \
+static __initdata struct early_platform_driver early_driver = {         \
+        .class_str = class_string,                                      \
+        .pdrv = platform_driver,                                        \
+        .requested_id = EARLY_PLATFORM_ID_UNSET,                        \
+};                                                                      \
+static int __init early_platform_driver_setup_func(char *buf)           \
+{                                                                       \
+        return early_platform_driver_register(&early_driver, buf);      \
+}                                                                       \
+early_param(class_string, early_platform_driver_setup_func)
+#else /* MODULE */
+#define early_platform_init(class_string, platform_driver)
+#endif /* MODULE */
+
 #endif /* _PLATFORM_DEVICE_H_ */