Re: [RFC PATCH v2 03/14] of: mtd: add documentation for nand-ecc-levelproperty

[Boris BREZILLON]

On 05/02/2014 12:15, Grant Likely wrote:
> On Wed, 29 Jan 2014 14:53:32 -0300, Ezequiel Garcia <ezequiel.garcia@xxxxxxxxxxxxxxxxxx> wrote:
> > On Wed, Jan 29, 2014 at 03:34:13PM +0100, Boris BREZILLON wrote:
> > > nand-ecc-level property statically defines NAND chip's ECC requirements.
> > >
> > > Signed-off-by: Boris BREZILLON <b.brezillon.dev@xxxxxxxxx>
> > > ---
> > >   Documentation/devicetree/bindings/mtd/nand.txt |    3 +++
> > >   1 file changed, 3 insertions(+)
> > >
> > > diff --git a/Documentation/devicetree/bindings/mtd/nand.txt b/Documentation/devicetree/bindings/mtd/nand.txt
> > > index 03855c8..0c962296 100644
> > > --- a/Documentation/devicetree/bindings/mtd/nand.txt
> > > +++ b/Documentation/devicetree/bindings/mtd/nand.txt
> > > @@ -3,5 +3,8 @@
> > >   - nand-ecc-mode : String, operation mode of the NAND ecc mode.
> > >     Supported values are: "none", "soft", "hw", "hw_syndrome", "hw_oob_first",
> > >     "soft_bch".
> > > +- nand-ecc-level : Two cells property defining the ECC level requirements.
> > > +  The first cell represent the strength and the second cell the ECC block size.
> > > +  E.g. : nand-ecc-level = <4 512>; /* 4 bits / 512 bytes */
> > >   - nand-bus-width : 8 or 16 bus width if not present 8
> > >   - nand-on-flash-bbt: boolean to enable on flash bbt option if not present false
> > Hm.. when was this proposal agreed? It seems I've missed the
> > discussion...
> >
> > FWIW, we've already proposed an equivalent one, but it received no
> > feedback from the devicetree maintainers:
> Sorry, binding review has become a huge undertaking.
>
> > http://comments.gmane.org/gmane.linux.drivers.devicetree/58764
> >
> > Maybe we can discuss about it now?
> >
> >    nand-ecc-strength : integer ECC required strength.
> >    nand-ecc-size : integer step size associated to the ECC strength.
> I'm okay with either, but the above binding is indeed more readable.

That's fine by me, if everybody agrees, let's go for the
nand-ecc-strength/nand-ecc-size couple then.

I'll rebase next version of my series on Ezequiel's patch providing
these OF helpers.

Best Regards,

Boris

> g.

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