--- zzzz-none-000/linux-4.4.60/drivers/staging/mt29f_spinand/Kconfig	2017-04-08 07:53:53.000000000 +0000
+++ dragonfly-4020-701/linux-4.4.60/drivers/staging/mt29f_spinand/Kconfig	2018-11-08 13:36:17.000000000 +0000
@@ -14,3 +14,13 @@
 	help
 	  Internal ECC.
 	  Enables Hardware ECC support for Micron SPI NAND.
+
+config MTD_SPINAND_GIGADEVICE
+	tristate "SPINAND Devcie Support for Gigadevice "
+	depends on MTD_SPINAND_MT29F
+	help
+	   This enables support for accessing Gigadevice SPI NAND flash
+	   devices.
+	   If you have Gigadevice SPI NAND chip say yes.
+
+	   If unsure, say no here.