linux-kernel - Re: [PATCH for 4.9 39/59] arm: dts: mt2701: Add subsystem clock controller device nodes

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Message-ID: <0c2c6712-d493-f51f-e7d0-f5e9d1ed1b3e@gmail.com>
Date:   Mon, 18 Sep 2017 12:28:39 +0200
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     "Levin, Alexander (Sasha Levin)" <alexander.levin@...izon.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>,
        James Liao <jamesjj.liao@...iatek.com>
Subject: Re: [PATCH for 4.9 39/59] arm: dts: mt2701: Add subsystem clock
 controller device nodes



On 09/18/2017 01:20 AM, Levin, Alexander (Sasha Levin) wrote:
> On Fri, Sep 15, 2017 at 01:15:43PM +0200, Matthias Brugger wrote:
>> On 09/14/2017 05:51 PM, Levin, Alexander (Sasha Levin) wrote:
>>> From: James Liao <jamesjj.liao@...iatek.com>
>>>
>>> [ Upstream commit f235c7e7a75325f28a33559a71f25a0eca6112db ]
>>>
>>> Add MT2701 subsystem clock controllers, inlcude mmsys, imgsys,
>>> vdecsys, hifsys, ethsys and bdpsys.
>>>
>>> Signed-off-by: James Liao <jamesjj.liao@...iatek.com>
>>> Signed-off-by: Matthias Brugger <matthias.bgg@...il.com>
>>> Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
>>> ---
>>>   arch/arm/boot/dts/mt2701.dtsi | 36 ++++++++++++++++++++++++++++++++++++
>>>   1 file changed, 36 insertions(+)
>>>
>>
>> It's not clear to me which bug in v4.9.y you are fixing with this. Can
>> you please explain.
> 
> Hi Matthias,
> 
> Note that beyond bug fixes, stable kernel rules also allow for:
> 
> """
>   - New device IDs and quirks are also accepted.
> """
> 
> In general, patches that enable devices which use existing in-kernel drivers are also accepted to the stable kernel tree.
> 
> If this is not the case here, or you have a reason to keep it out, please let me know.
> 
Hm, I checked linux-4.9.y and it lacks commit:
e9862118272a ("clk: mediatek: Add MT2701 clock support")

Which got's merged in v4.10, so this patch has no effect at all.
What do I miss?

Regards,
Matthias