Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Mon, 28 Jan 2019 11:20:07 +0100
From:   Miquel Raynal <miquel.raynal@bootlin.com>
To:     Richard Weinberger <richard@nod.at>,
        Dinh Nguyen <dinguyen@kernel.org>
Cc:     Masahiro Yamada <yamada.masahiro@socionext.com>,
        Marek Vasut <marek.vasut@gmail.com>,
        Boris Brezillon <bbrezillon@kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Boris Brezillon <boris.brezillon@bootlin.com>,
        linux-mtd <linux-mtd@lists.infradead.org>,
        Brian Norris <computersforpeace@gmail.com>,
        David Woodhouse <dwmw2@infradead.org>
Subject: Re: [PATCH] mtd: rawnand: denali_dt: remove single anonymous clock
 support
Message-ID: <20190128112007.440046e6@xps13>
In-Reply-To: <CAK7LNATnfTQXHrXJQp7732-e7hvd8ORcYubyDmz0KHaRXRMDqQ@mail.gmail.com>
References: <1547539894-12898-1-git-send-email-yamada.masahiro@socionext.com>
        <20190115092229.59e09c2d@xps13>
        <CAK7LNATnfTQXHrXJQp7732-e7hvd8ORcYubyDmz0KHaRXRMDqQ@mail.gmail.com>
Organization: Bootlin
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8BIT
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Hi Dinh,

Masahiro Yamada <yamada.masahiro@socionext.com> wrote on Wed, 16 Jan
2019 10:27:11 +0900:

> (+CC Dinh Nguyen)
> 
> On Tue, Jan 15, 2019 at 5:22 PM Miquel Raynal <miquel.raynal@bootlin.com> wrote:
> >
> > Hi Masahiro,
> >
> > Masahiro Yamada <yamada.masahiro@socionext.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.
> 

Gentle ping on this topic.


Thanks,
Miquèl