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Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sVtiU-00000009j8B-0DW2; Mon, 22 Jul 2024 14:08:42 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sVti6-00000009j2x-3wcx for linux-arm-kernel@lists.infradead.org; Mon, 22 Jul 2024 14:08:20 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 6A3A760AE7; Mon, 22 Jul 2024 14:08:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C0DD8C116B1; Mon, 22 Jul 2024 14:08:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1721657298; bh=N6IiowuXKaiT8NYw3UN1F4KTF+aBzmB19xg+QeJxfA4=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=dqfOb+qm3Gr6Tc7r8QA6xQiAIdbGcNUDKMfw+LGZrdiPCD0Up4ptskT7f12pMMHSS rtYmNc5Q8RGAvYqccBiX65mUSF9N+JxwAbcVP4Y2qC/OWDj6K2hbeT6YghJB1SfALf POCTluzGcPx0xzfzMwYc+crZ6suafKeephJdUouF4+myIdIhS+DrWi1FZmJmiqMCBP hP80dTaczo79KB9r3BCheVE8aPlD7Z84Qkp9ijlN5m8e6A7gRWUd0DpYY3kpwUSqpi HkTzsY1gk+fiJNVt9i4/dm477pOzGpmVtXYL/Jbpg/7N7UNM62o8sjPuzcwW6WHuaA 8XdMFA4zzPoEg== Message-ID: <0f1becb9-56e9-4b71-b9ca-263dd6592c43@kernel.org> Date: Mon, 22 Jul 2024 16:08:11 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH 2/3] dt-bindings: watchdog: ti,davinci-wdt: convert to dtschema To: Kousik Sanagavarapu Cc: Daniel Lezcano , Thomas Gleixner , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Wim Van Sebroeck , Guenter Roeck , Nishanth Menon , Santosh Shilimkar , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org References: <20240721170840.15569-1-five231003@gmail.com> <20240721170840.15569-3-five231003@gmail.com> <629a925c-24ef-4a44-832f-a06a60c266a7@kernel.org> <2d8ceef8-9d5e-42a9-af2e-f9292728a3bf@kernel.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240722_070819_115581_4772BE58 X-CRM114-Status: GOOD ( 20.10 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 22/07/2024 16:02, Kousik Sanagavarapu wrote: > On Mon, Jul 22, 2024 at 03:50:15PM +0200, Krzysztof Kozlowski wrote: >> On 22/07/2024 15:12, Kousik Sanagavarapu wrote: >>> On Mon, Jul 22, 2024 at 10:15:03AM +0200, Krzysztof Kozlowski wrote: >>>> On 21/07/2024 18:28, Kousik Sanagavarapu wrote: >>>>> +properties: >>>>> + compatible: >>>>> + enum: >>>>> + - ti,davinci-wdt >>>>> + - ti,keystone-wdt >>>> >>>> This does not match the original binding and commit msg did not explain >>>> why such change is necessary. >>> >>> I don't understand. Do you mean both the compatibles are always >>> compulsory? Meaning >>> >>> compatible: >>> items: >>> - const: ti,davinci-wdt >>> - const: ti,keystone-wdt >> >> Yes, this is what old binding said. > > That was what I thought initially too, but the example in the old > binding says otherwise and also the DTS from ti/davinci/da850.dtsi > says > > wdt: watchdog@21000 { > compatible = "ti,davinci-wdt"; > reg = <0x21000 0x1000>; > clocks = <&pll0_auxclk>; > status = "disabled"; > }; > > Or am I seeing it the wrong way? > >>> >>> It is enum because I intended it to align with the subsequent patch >>> which changes DTS. >>> >>>> This also does not match DTS. >>> >>> Yes. I've asked about changing the DTS in the subsequent patch. >>> >> >> Changing the DTS cannot be the reason to affect users and DTS... It's >> tautology. You change DTS because you intent to change DTS? > > Not exactly. I thought that the DTS was wrong when it said > > compatible = "ti,keystone-wdt", "ti,davinci-wdt"; > > while it should have been > > compatible = "ti,keystone-wdt"; > > I was not sure about this though and hence marked both the patches as > RFC, in case I was interpretting them the wrong way. Ah, right, the DTS says keystone+davinci while old binding suggested davinci+keystone. Considering there is no driver binding to keystone, I think the answer is obvious - intention was keystone+davinci. Anyway, commit msg should mention why you are doing something else than pure conversion. Best regards, Krzysztof