--- zzzz-none-000/linux-3.10.107/arch/arm/include/asm/mach/flash.h	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/arch/arm/include/asm/mach/flash.h	2021-11-10 11:53:52.000000000 +0000
@@ -13,6 +13,11 @@
 struct mtd_partition;
 struct mtd_info;
 
+enum sw_version {
+	VERSION_1 = 0,
+	VERSION_2,
+};
+
 /*
  * map_name:	the map probe function name
  * name:	flash device name (eg, as used with mtdparts=)
@@ -23,6 +28,7 @@
  * mmcontrol:	method called to enable or disable Sync. Burst Read in OneNAND
  * parts:	optional array of mtd_partitions for static partitioning
  * nr_parts:	number of mtd_partitions for static partitoning
+ * version:	software register interface version
  */
 struct flash_platform_data {
 	const char	*map_name;
@@ -34,6 +40,7 @@
 	void		(*mmcontrol)(struct mtd_info *mtd, int sync_read);
 	struct mtd_partition *parts;
 	unsigned int	nr_parts;
+	enum sw_version	version;
 };
 
 #endif