[PATCH v13 09/20] mtd: rawnand: Separate the ECC engine type and the ECC byte placement

Miquel Raynal miquel.raynal at bootlin.com
Thu Oct 15 03:25:02 EDT 2020


Hi Han,

Han Xu <xhnjupt at gmail.com> wrote on Wed, 14 Oct 2020 22:09:56 -0500:

> On Wed, Oct 14, 2020 at 8:35 PM Fabio Estevam <festevam at gmail.com> wrote:
> >
> > Hi Han Xu,
> >
> > On Wed, Oct 14, 2020 at 6:38 PM Han Xu <xhnjupt at gmail.com> wrote:
> >  
> > > Hi Miquel, the changes to the nested switch statement make the logic
> > > of this break wrong.  
> >
> > Care to send a fix, please?
> >
> > We have seen ECC NAND regressions on mx27 and LS2088 platforms.
> >
> > In which platform did you noticed the ECC issue?
> >
> > Thanks  
> 
> Hi Fabio,
> 
> CI test reported all LS platforms have the ECC regression. The error
> is "Driver must set ecc.strength when using hardware ECC"
> 
> I haven't worked on any LS platforms so I tested on i.MX platforms
> with gpmi NAND controller,
> the code ran into NAND_ECC_ENGINE_TYPE_SOFT due to this issue. So
> these are two different issues, I can send a patch to fix the nested
> switch statement problem but won't fix the LS platform issue.


I think the fact that the execution ran into NAND_ECC_ENGINE_TYPE_SOFT
has been fixed. However there is still the other issue that I am unable
to find just by reading the code :/


Thanks,
Miquèl



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