linux-kernel - Re: [PATCH v5 2/2] dt-bindings: mtd: Document Macronix NAND device bindings

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Date:   Thu, 12 Mar 2020 09:55:49 +0800
From:   masonccyang@...c.com.tw
To:     "Miquel Raynal" <miquel.raynal@...tlin.com>
Cc:     allison@...utok.net, devicetree@...r.kernel.org,
        frieder.schrempf@...tron.de, juliensu@...c.com.tw,
        linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org,
        mark.rutland@....com, richard@....at, robh+dt@...nel.org,
        tglx@...utronix.de, vigneshr@...com, yuehaibing@...wei.com
Subject: Re: [PATCH v5 2/2] dt-bindings: mtd: Document Macronix NAND device bindings

Hi Miquel,

> Mason Yang <masonccyang@...c.com.tw> wrote on Mon, 17 Feb 2020 14:56:40
> +0800:
> 
> > Document the bindings used by the Macronix NAND device.
> > 
> > Signed-off-by: Mason Yang <masonccyang@...c.com.tw>
> > Reviewed-by: Rob Herring <robh@...nel.org>
> > ---
> >  .../devicetree/bindings/mtd/nand-macronix.txt      | 28 
++++++++++++++++++++++
> >  1 file changed, 28 insertions(+)
> >  create mode 100644 
Documentation/devicetree/bindings/mtd/nand-macronix.txt
> > 
> > diff --git a/Documentation/devicetree/bindings/mtd/nand-macronix.txt 
b/
> Documentation/devicetree/bindings/mtd/nand-macronix.txt
> > new file mode 100644
> > index 0000000..1d7a895
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/mtd/nand-macronix.txt
> > @@ -0,0 +1,28 @@
> > +Macronix NANDs Device Tree Bindings
> > +-----------------------------------
> > +
> > +Macronix NANDs support randomizer operation for user data scrambled,
> > +which can be enabled with a SET_FEATURE. The penalty of randomizer 
are
> > +subpage accesses prohibited and more time period is needed in program
> > +operation, i.e., tPROG 300us to 340us(randomizer enabled).
> > +Randomizer enabled is a one time persistent and non reversible 
operatoin.
> > +
> > +For more high-reliability concern, if subpage write not available 
with
> > +hardware ECC and filesystem and then to enable randomizer is 
recommended
> > +by default.
> > +
> > +By adding a new specific property in children nodes to enable
> > +randomizer function.
> 
> I also reworded slightly this text when applying.

ok,sure.

> 
> 
> Thanks,
> Miquèl

thanks for your time & review.
Mason

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CONFIDENTIALITY NOTE:

This e-mail and any attachments may contain confidential information and/or personal data, which is protected by applicable laws. Please be reminded that duplication, disclosure, distribution, or use of this e-mail (and/or its attachments) or any part thereof is prohibited. If you receive this e-mail in error, please notify us immediately and delete this mail as well as its attachment(s) from your system. In addition, please be informed that collection, processing, and/or use of personal data is prohibited unless expressly permitted by personal data protection laws. Thank you for your attention and cooperation.

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