1 files changed, 15 insertions, 5 deletions

diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 3c6675c2444b..71ff887ca44e 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -83,6 +83,8 @@ struct early_platform_driver {
         struct platform_driver *pdrv;
         struct list_head list;
         int requested_id;
+        char *buffer;
+        int bufsize;
 };
 
 #define EARLY_PLATFORM_ID_UNSET -2
@@ -102,21 +104,29 @@ extern int early_platform_driver_probe(char *class_str,
                                        int nr_probe, int user_only);
 extern void early_platform_cleanup(void);
 
+#define early_platform_init(class_string, platdrv)              \
+        early_platform_init_buffer(class_string, platdrv, NULL, 0)
 
 #ifndef MODULE
-#define early_platform_init(class_string, platform_driver)              \
+#define early_platform_init_buffer(class_string, platdrv, buf, bufsiz)  \
 static __initdata struct early_platform_driver early_driver = {         \
         .class_str = class_string,                                      \
-        .pdrv = platform_driver,                                        \
+        .buffer = buf,                                                  \
+        .bufsize = bufsiz,                                              \
+        .pdrv = platdrv,                                                \
         .requested_id = EARLY_PLATFORM_ID_UNSET,                        \
 };                                                                      \
-static int __init early_platform_driver_setup_func(char *buf)           \
+static int __init early_platform_driver_setup_func(char *buffer)        \
 {                                                                       \
-        return early_platform_driver_register(&early_driver, buf);      \
+        return early_platform_driver_register(&early_driver, buffer);   \
 }                                                                       \
 early_param(class_string, early_platform_driver_setup_func)
 #else /* MODULE */
-#define early_platform_init(class_string, platform_driver)
+#define early_platform_init_buffer(class_string, platdrv, buf, bufsiz)  \
+static inline char *early_platform_driver_setup_func(void)              \
+{                                                                       \
+        return bufsiz ? buf : NULL;                                     \
+}
 #endif /* MODULE */
 
 #endif /* _PLATFORM_DEVICE_H_ */