Re: [PATCH] ARM: dts: imx6ull: fix ubi filesystem mount failed

[Fabio Estevam]

Hi Dillon,

On Tue, Mar 9, 2021 at 3:15 AM <dillon.minfei@xxxxxxxxx> wrote:
>
> From: dillon min <dillon.minfei@xxxxxxxxx>
>
> since Micron MT29F2G08ABAEAWP's ecc error management:
>
> |Description                            | Requirement
> |Minimum required ECC                   | 4-bit ECC per 528 bytes
> |Minimum ECC with internal ECC enabled  | 4-bit ECC per 516 bytes (user data) +
>                                          8bytes (parity data)
>
> to avoid unnecessary overheads related to bigger ecc calculations.
> need choose to use fsl,use-minimum-ecc, else will run into ecc error.
>
> [    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>