linux-kernel - Re: [PATCH] mtd: rawnand: denali_dt: remove single anonymous clock support

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Date:   Wed, 16 Jan 2019 10:27:11 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Miquel Raynal <miquel.raynal@...tlin.com>
Cc:     Marek Vasut <marek.vasut@...il.com>,
        Richard Weinberger <richard@....at>,
        Boris Brezillon <bbrezillon@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Boris Brezillon <boris.brezillon@...tlin.com>,
        linux-mtd <linux-mtd@...ts.infradead.org>,
        Brian Norris <computersforpeace@...il.com>,
        David Woodhouse <dwmw2@...radead.org>,
        Dinh Nguyen <dinguyen@...nel.org>
Subject: Re: [PATCH] mtd: rawnand: denali_dt: remove single anonymous clock support

(+CC Dinh Nguyen)

On Tue, Jan 15, 2019 at 5:22 PM Miquel Raynal <miquel.raynal@...tlin.com> wrote:
>
> Hi Masahiro,
>
> Masahiro Yamada <yamada.masahiro@...ionext.com> wrote on Tue, 15 Jan
> 2019 17:11:34 +0900:
>
> > Commit 6f1fe97bec34 ("mtd: rawnand: denali_dt: add more clocks based
> > on IP datasheet") introduced a more correct binding that requires
> > three named clocks.
> >
> > Now that all upstream DT files migrated over to it, remove the single
> > anonymous clock support.
>
> I would love to do that but I think this is against the "DT backward
> compatibility rule".

Yeah, I know this rule, but we break DT binding from time to time.



> Anyway, IIRC it is accepted that this kind of
> rule might be broken if decided per the arch-maintainer (in this
> case, you I suppose). So if this is really what you want, I'll queue
> it.

My platform is fine, but this driver is used by SOCFPGA boards as well.

I CCed the SOCFPGA maintainer, Dinh Nguyen.



-- 
Best Regards
Masahiro Yamada