From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 50A1A28D8C1; Thu, 22 May 2025 14:50:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747925404; cv=none; b=FToVrGzloxL7NQBXB+qHpf/Cg15kM9SHrr3iTF4ls7FFcY+CWOH/VfacaUmcYz3yyWoe2FTNyic41ix9WVrWDGngPipWhFAtRvdfOtOxdt4iBltFmUaT5a0K+odzDAZZ/9Mq7djVD1qQw88XUKLjpLZgOdC33pbanvhtEORODzI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747925404; c=relaxed/simple; bh=6r62Mqd/YPbA2PQW6RZiBXcJUx8hGxcJTqL9xwKx9vo=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=HZiWtj9kZ0ThaBmsXky0Mvrm5tstzsuJIEQGIMP70uVAlk15sYXRgGek24pov9MgQBf7memTPN1KF/6dqRHvu/dnCe4u6amUiQa5DhFn+NrmFQYVlHyS2gTYb8NvwG3Im8dOgnY5h5rIc+Q/B7rIfIPKLD+rT5Q80lsMr1KfSBk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Fsz72wDo; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Fsz72wDo" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6AC59C4CEE4; Thu, 22 May 2025 14:49:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1747925403; bh=6r62Mqd/YPbA2PQW6RZiBXcJUx8hGxcJTqL9xwKx9vo=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=Fsz72wDoCC3Fl2E3rGDqbsZhGB1uzKlcElswbXmaMcyHVow2pjgAnDc/kv5d1Gdn9 sw+r/dvwGz4qsKV/gMakNK3srikER/bOHRI0KI3fhhNrSBqnKwig3K1rld0K6Ag76t dTyw9cBsc9ykhIVBFBE/ufCSi+oS04oO/4noB2wfJvBBZzogo8XDD2AheIlUP3IHq7 sGvtm6NqeoBANooWnpG9y4JnvaadmpAbbhZ+1G8tcdiKnbo/HtQHiS3DSYJ71PqlcC kbgexouOFrs87gy0EaowsU1HgVXbwhSlzR+yzKUo5CcTNCW6I9UHtKCdK4Z8+3Yzng HVm/KZghQlneA== Message-ID: Date: Thu, 22 May 2025 16:49:57 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 05/12] dt-bindings: phy: renesas,usb2-phy: Add renesas,sysc-signals To: Claudiu Beznea Cc: vkoul@kernel.org, kishon@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, p.zabel@pengutronix.de, geert+renesas@glider.be, magnus.damm@gmail.com, yoshihiro.shimoda.uh@renesas.com, kees@kernel.org, gustavoars@kernel.org, biju.das.jz@bp.renesas.com, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-hardening@vger.kernel.org, john.madieu.xa@bp.renesas.com, Claudiu Beznea References: <20250521140943.3830195-1-claudiu.beznea.uj@bp.renesas.com> <20250521140943.3830195-6-claudiu.beznea.uj@bp.renesas.com> <20250522-evasive-unyielding-quoll-dbc9b2@kuoka> <4a07048a-c55a-4fd3-b4e5-7f9d218de76f@kernel.org> <68d83aaf-280a-4c19-becf-c6e1d9c2432b@kernel.org> <797611e1-3786-45c4-9103-3ee8f96cec6d@tuxon.dev> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 22/05/2025 16:39, Claudiu Beznea wrote: > > > On 22.05.2025 15:48, Krzysztof Kozlowski wrote: >> On 22/05/2025 14:46, Krzysztof Kozlowski wrote: >>>>>> >>>>>> + - if: >>>>>> + properties: >>>>>> + compatible: >>>>>> + contains: >>>>>> + const: renesas,usb2-phy-r9a08g045 >>>>>> + then: >>>>>> + required: >>>>>> + - renesas,sysc-signals >>>>> >>>>> That's ABI break. >>>> >>>> There is no in kernel device tree users of "renesas,usb2-phy-r9a08g045" >>>> compatible. It is introduced in patch 11/12 from this series. With this do >>>> you still consider it ABI break? >>> >>> Then this patch cannot be split from binding introducing the user. Don't >>> add unused/undocumented compatibles. >>> >> Or you meant DTS? > > Yes, I meant in tree DTS. Rhetorical question (because we talked about this on mailing list many times enough): what would be the point of any ABI if you can break it and adjust in-tree DTS in the next patch? Best regards, Krzysztof