linux-kernel - Re: [PATCH 06/12] dt-bindings: clk: sunxi-ng: add V853 CCU clock/reset

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Message-ID: <fef71e03-489f-4503-9d1b-d61051d45dde@kernel.org>
Date: Mon, 13 Jan 2025 09:21:10 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: wens@...e.org
Cc: Andras Szemzo <szemzo.andras@...il.com>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd
 <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Jernej Skrabec <jernej.skrabec@...il.com>,
 Samuel Holland <samuel@...lland.org>,
 Linus Walleij <linus.walleij@...aro.org>,
 Philipp Zabel <p.zabel@...gutronix.de>, Maxime Ripard <mripard@...nel.org>,
 Vinod Koul <vkoul@...nel.org>, Kishon Vijay Abraham I <kishon@...nel.org>,
 Ulf Hansson <ulf.hansson@...aro.org>,
 Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
 <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
 Uwe Kleine-König <u.kleine-koenig@...libre.com>,
 Florian Fainelli <florian.fainelli@...adcom.com>, linux-clk@...r.kernel.org,
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org,
 linux-phy@...ts.infradead.org, linux-gpio@...r.kernel.org,
 linux-pm@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH 06/12] dt-bindings: clk: sunxi-ng: add V853 CCU
 clock/reset

On 13/01/2025 09:06, Chen-Yu Tsai wrote:
> On Fri, Jan 10, 2025 at 9:56 PM Krzysztof Kozlowski <krzk@...nel.org> wrote:
>>
>> On 10/01/2025 13:39, Andras Szemzo wrote:
>>> As the device tree needs the clock/reset indices, add them to DT binding
>>> headers.
>>>
>>> Signed-off-by: Andras Szemzo <szemzo.andras@...il.com>
>>
>> That's never a separate commit from the binding.
>>
>>
>> ...
>>
>>> --- /dev/null
>>> +++ b/include/dt-bindings/clock/sun8i-v853-r-ccu.h
>>> @@ -0,0 +1,16 @@
>>> +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
>>> +/* Copyright(c) 2020 - 2023 Allwinner Technology Co.,Ltd. All rights reserved.
>>> + *
>>> + * Copyright (C) 2023 rengaomin@...winnertech.com
>>> + */
>>> +#ifndef _DT_BINDINGS_CLK_SUN8I_V85X_R_CCU_H_
>>> +#define _DT_BINDINGS_CLK_SUN8I_V85X_R_CCU_H_
>>> +
>>> +#define CLK_R_TWD            0
>>> +#define CLK_R_PPU            1
>>> +#define CLK_R_RTC            2
>>> +#define CLK_R_CPUCFG         3
>>> +
>>> +#define CLK_R_MAX_NO         (CLK_R_CPUCFG + 1)
>>
>> Nope, drop. Not a binding.
>>
>>> +
>>> +#endif
>>> diff --git a/include/dt-bindings/reset/sun8i-v853-ccu.h b/include/dt-bindings/reset/sun8i-v853-ccu.h
>>> new file mode 100644
>>> index 000000000000..89d94fcbdb55
>>> --- /dev/null
>>> +++ b/include/dt-bindings/reset/sun8i-v853-ccu.h
>>> @@ -0,0 +1,62 @@
>>> +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
>>
>> Odd license. Did you copy the file with such license from the downstream?
> 
> AFAIK all the existing sunxi clock / reset binding header files are
> dual licensed. OOTH all the YAML files are GPL 2.0 only.
> 
> IIRC we started out GPL 2.0 only, but then figured that the header files
> couldn't be shared with non-GPL projects, so we changed those to dual
> license.
> 
> Hope that explains the current situation. Relicensing the whole lot
> to just MIT or BSD is probably doable.
That's not what the comment is about. Dual license, as expressed by
submitting bindings/patches and enforced by checkpatch are expected. But
not GPLv3, GPLv4 and GPLv10.

Best regards,
Krzysztof