Re: [PATCH] Add support for Macronix NAND randomizer

From: masonccyang
Date: Mon Sep 02 2019 - 02:53:16 EST



Hi Miquel,


> > > >
> > > > If subpage write not available with hardware ECC, for example,
> > > > NAND chip options NAND_NO_SUBPAGE_WRITE be set in driver and
> > > > randomizer function is recommended for high-reliability.
> > > > Driver checks byte 167 of Vendor Blocks in ONFI parameter page
table
> > > > to see if this high-reliability function is supported.
> > > >
> > >
> > > You did not flagged this patch as a v2 and forgot about the
changelog.
> > > You did not listen to our comments in the last version neither. I
was
> > > open to a solution with a specific DT property for warned users but
I
> > > don't see it coming.
> > >
> >
> > Based on your comments by specific DT property for randomizer support.
> > to add a new property in children nodes:
> >
> > i.e,.
> >
> > nand: nand-controller@43c30000 {
> >
> > nand@0 {
> > reg = <0>;
> > nand-reliability = "randomizer";
>
> mxic,enable-randomizer-otp;
>
> Would be better (with the proper documentation in the bindings).
>

okay, thanks for your opinions.

best regards,
Mason


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