--- zzzz-none-000/linux-3.10.107/arch/mips/include/asm/mach-jz4740/jz4740_nand.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/mips/include/asm/mach-jz4740/jz4740_nand.h	2021-02-04 17:41:59.000000000 +0000
@@ -27,8 +27,6 @@
 
 	struct nand_ecclayout	*ecc_layout;
 
-	unsigned int busy_gpio;
-
 	unsigned char banks[JZ_NAND_NUM_BANKS];
 
 	void (*ident_callback)(struct platform_device *, struct nand_chip *,