On Wed, Mar 17, 2021 at 11:45:09PM +0800, dillon.minfei@xxxxxxxxx wrote: > From: dillon min <dillon.minfei@xxxxxxxxx> > > For NAND Ecc layout, there is a dependency from old kernel's nand driver > setting and current. if old kernel use 4 bit ecc , we should use 4 bit > in new kernel either. else will run into following error at filesystem > mounting. > > So, enable fsl,use-minimum-ecc from device tree, to fix this mismatch > > [ 9.449265] ubi0: scanning is finished > [ 9.463968] ubi0 warning: ubi_io_read: error -74 (ECC error) while reading > 22528 bytes from PEB 513:4096, read only 22528 bytes, retry > [ 9.486940] ubi0 warning: ubi_io_read: error -74 (ECC error) while reading > 22528 bytes from PEB 513:4096, read only 22528 bytes, retry > [ 9.509906] ubi0 warning: ubi_io_read: error -74 (ECC error) while reading > 22528 bytes from PEB 513:4096, read only 22528 bytes, retry > [ 9.532845] ubi0 error: ubi_io_read: error -74 (ECC error) while reading > 22528 bytes from PEB 513:4096, read 22528 bytes > > Fixes: f9ecf10cb88c ("ARM: dts: imx6ull: add MYiR MYS-6ULX SBC") > Signed-off-by: dillon min <dillon.minfei@xxxxxxxxx> > Reviewed-by: Fabio Estevam <festevam@xxxxxxxxx> > Signed-off-by: Shawn Guo <shawnguo@xxxxxxxxxx> Replaced with this version. Shawn