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

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Message-ID: <e78d9b9e-05e3-aa47-8e66-14f35334a873@kernel.org>
Date:   Wed, 30 Jan 2019 10:20:43 -0600
From:   Dinh Nguyen <dinguyen@...nel.org>
To:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>
Cc:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Marek Vasut <marek.vasut@...il.com>,
        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>
Subject: Re: [PATCH] mtd: rawnand: denali_dt: remove single anonymous clock
 support

Hi Miquel,

Let me review this today.

Thanks,
Dinh

On 1/28/19 4:20 AM, Miquel Raynal wrote:
> Hi Dinh,
> 
> Masahiro Yamada <yamada.masahiro@...ionext.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@...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.
>>
> 
> Gentle ping on this topic.
> 
> 
> Thanks,
> Miquèl
>