linux-kernel - Re: [PATCH AUTOSEL 6.1 8/9] arm64: dts: allwinner: h616: Add USB nodes

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Date:   Fri, 23 Dec 2022 09:09:26 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     Icenowy Zheng <uwu@...nowy.me>
Cc:     Andre Przywara <andre.przywara@....com>,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Jernej Skrabec <jernej.skrabec@...il.com>, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, wens@...e.org,
        samuel@...lland.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev
Subject: Re: [PATCH AUTOSEL 6.1 8/9] arm64: dts: allwinner: h616: Add USB
 nodes

On Tue, Dec 20, 2022 at 02:48:29PM +0800, Icenowy Zheng wrote:
>在 2022-12-20星期二的 00:01 +0000，Andre Przywara写道：
>> On Fri, 16 Dec 2022 19:09:35 -0500
>> Sasha Levin <sashal@...nel.org> wrote:
>>
>> > From: Andre Przywara <andre.przywara@....com>
>> >
>> > [ Upstream commit f40cf244c3feb4e1a442f8029b691add2c65b3ab ]
>>
>> This is not really a backport candidate:
>> - This is not a fix, but a new feature.
>> - This relies on the H616 USB PHY support patch, which will be only
>> in
>>   v6.2 (and won't be backported).

I'll go ahead and drop it.

>> - DT backports are generally not useful to begin with, and should
>>   actually not be necessary anyway.
>
>DT changes include fixes and new features. New features are not useful,
>but fixes are useful.
>
>This specific change is a new feature one, not a fix one though.

Right - this is a similar issue to PCI/USB/etc IDs, or quirks - we try
and backport patches that enable new hardware to work (proerly) with
drivers that already exist in the kernel.

-- 
Thanks,
Sasha