From: dillon min <dillon.minfei@xxxxxxxxx> This patch intend to fix ubi filesystem mount failed on MYS-6ULX-IOT board, from Micron MT29F2G08ABAEAWP's datasheets, we need to choose 4-bit ECC. Table 18: Error Management Details Description Requirement Minimum number of valid blocks (NVB) per LUN 2008 Total available blocks per LUN 2048 First spare area location x8: byte 2048 x16: word 1024 Bad-block mark x8: 00h x16: 0000h Minimum required ECC 4-bit ECC per 528 bytes Minimum ECC with internal ECC enabled 4-bit ECC per 516 bytes (user data) + 8 bytes (parity data) Minimum required ECC for block 0 if PROGRAM/ ERASE cycles are less than 1000 1-bit ECC per 528 bytes dillon min (1): ARM: dts: imx6ull: fix ubi filesystem mount failed arch/arm/boot/dts/imx6ull-myir-mys-6ulx-eval.dts | 1 + 1 file changed, 1 insertion(+) -- 2.7.4