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

Shawn Guo shawnguo at kernel.org
Wed Mar 17 13:00:28 GMT 2021


On Tue, Mar 09, 2021 at 02:15:20PM +0800, dillon.minfei at gmail.com wrote:
> From: dillon min <dillon.minfei at gmail.com>
> 
> 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 at gmail.com>

Applied, thanks.



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