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 128371CA8A; Thu, 25 Jul 2024 07:56:08 +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=1721894169; cv=none; b=auTpYYYuhVTtOD/g6lpujsuRsnD9SBqGakvGRIel/Igvvyodo76oacNukrhSJDiZz37T1GrGxl9a35IiK+4m421Uu7ej8DSWAedTCOj+0KEEQ316vQ0ecNttaT9u8j+hjZ7jDZ1az2QkZNmIe6Q55nlM07etTJU42H8C5neGwfI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721894169; c=relaxed/simple; bh=ZHVsBB6x2x05Z+XropA/5+9MxAt3hXtxuwKN6bsXG+E=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=LyhQU18UJiLKlGslzWEPiD18pGRc06FQlsQXUPodCfmqVlxhq/75l2sn/8KBiSnN4B77ja8Hsr0Pm4M6RH/DnMKS/+Z0Qwb9HWnYfYS3cLhH7ReJTCV21lEylXFI6/yrBCXdIWqMfYSAPEX1mWz8yC2bobxgu0mggDbnbUnsh+0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SsUiJCqv; 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="SsUiJCqv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 66AD4C116B1; Thu, 25 Jul 2024 07:56:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1721894168; bh=ZHVsBB6x2x05Z+XropA/5+9MxAt3hXtxuwKN6bsXG+E=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=SsUiJCqvdtcgmeh4wm6n4nrEp2bn+cSwjezsnLfRZjU4BRomlSYN9hJ3+rO/w4WHn /ZaLh+rzMKDYfXIRNwBuqada7wFu8FIZ4Ls7/ZZvsdxEDAqjIUG7ejwt/S5p21E2x9 NwEL8f1UShimXIcTkLQqkyXQVK1NAL+e+gnPotbBlJb4KF7GgDhyTvZ+B/yUQPqU62 M9xL6WTURFE9qp350ldViw4ebbcJg+lrb6ysKwwc6H1Op1UQjAaH6BxSBTaigIoYxG RFbkJFd0ZNsI4aGoWuecLuqI0/PLKfzwftT/4Iuj2jCoIzLofwIySvePRAKr94haP2 58BUAkCWwNUkA== Message-ID: <09d31a95-813d-46e6-be11-421ca4f93f7b@kernel.org> Date: Thu, 25 Jul 2024 09:56:02 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 1/4] dt-bindings: clock: add ExynosAuto v920 SoC CMU bindings To: "sunyeal.hong" , 'Rob Herring' Cc: 'Sylwester Nawrocki' , 'Chanwoo Choi' , 'Alim Akhtar' , 'Michael Turquette' , 'Stephen Boyd' , 'Conor Dooley' , linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20240722223333.1137947-1-sunyeal.hong@samsung.com> <20240722223333.1137947-2-sunyeal.hong@samsung.com> <20240723205714.GA1093352-robh@kernel.org> <035501dade31$55cc7f40$01657dc0$@samsung.com> <03b201dade3f$3d66e3b0$b834ab10$@samsung.com> <03ef01dade5c$ce407820$6ac16860$@samsung.com> <8ee739e7-8405-49d7-93f8-f837effe169b@kernel.org> <9647f1b5-9f34-42f0-b7b9-56ad9708855b@kernel.org> <041b01dade62$5861b2d0$09251870$@samsung.com> <041c01dade67$5842edf0$08c8c9d0$@samsung.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 25/07/2024 09:50, sunyeal.hong wrote: > Hello Krzysztof, > >> -----Original Message----- >> From: Krzysztof Kozlowski >> Sent: Thursday, July 25, 2024 4:32 PM >> To: sunyeal.hong ; 'Rob Herring' >> >> Cc: 'Sylwester Nawrocki' ; 'Chanwoo Choi' >> ; 'Alim Akhtar' ; 'Michael >> Turquette' ; 'Stephen Boyd' ; >> 'Conor Dooley' ; linux-samsung-soc@vger.kernel.org; >> linux-clk@vger.kernel.org; devicetree@vger.kernel.org; linux-arm- >> kernel@lists.infradead.org; linux-kernel@vger.kernel.org >> Subject: Re: [PATCH v4 1/4] dt-bindings: clock: add ExynosAuto v920 SoC >> CMU bindings >> >> On 25/07/2024 09:14, sunyeal.hong wrote: >>> Hello Krzysztof, >>> >>>> -----Original Message----- >>>> From: Krzysztof Kozlowski >>>> Sent: Thursday, July 25, 2024 3:41 PM >>>> To: sunyeal.hong ; 'Rob Herring' >>>> >>>> Cc: 'Sylwester Nawrocki' ; 'Chanwoo Choi' >>>> ; 'Alim Akhtar' ; >>>> 'Michael Turquette' ; 'Stephen Boyd' >>>> ; 'Conor Dooley' ; >>>> linux-samsung-soc@vger.kernel.org; >>>> linux-clk@vger.kernel.org; devicetree@vger.kernel.org; linux-arm- >>>> kernel@lists.infradead.org; linux-kernel@vger.kernel.org >>>> Subject: Re: [PATCH v4 1/4] dt-bindings: clock: add ExynosAuto v920 >>>> SoC CMU bindings >>>> >>>> On 25/07/2024 08:37, Krzysztof Kozlowski wrote: >>>>>> then: >>>>>> properties: >>>>>> clocks: >>>>>> items: >>>>>> - description: External reference clock (38.4 MHz) >>>>>> - description: CMU_MISC NOC clock (from CMU_MISC) >>>>>> >>>>>> clock-names: >>>>>> items: >>>>>> - const: oscclk >>>>>> - const: noc >>>>>> >>>>>> If there is anything I misunderstand, please guide me. >>>>>> >>>>> >>>>> You did not address my questions at all instead just copied again >>>>> the same. It is not how it works. >>>>> >>>>> I am not going to discuss like this. >>>> >>>> And in case it is still unclear - just look at your bindings and DTS. >>>> They say you have three clocks! >>>> >>>> Best regards, >>>> Krzysztof >>>> >>> >>> Let me answer your questions first. >>> In the existing V4 patch, clock items were declared in if then for each >> block, so there was no problem. >> >> No. Again, look at your binding and DTS. >> >> 1. What clocks did you define for cmu-top? > Cmu-top has one clock(oscclk). >> 2. What clocks did you define for cmu-peric0? > Cmu-peric0 has three clocks(oscclk, noc and ip) >> >> Rob's advice is reasonable and you must follow it, unless you are not >> telling us something. There is no other choice, no other compatibles, no >> other devices. >> > Yes, that's right. In this patch, modifications are possible according to Rob's review. >>> If modified according to Rob's comment, problems may occur as the input >> clock is configured differently for each block. >> >> But it is not! Look at your binding. > The reason I mentioned this was to ask how to handle problems that may occur when adding cmu for a new block in a new patch. > As you mentioned, this issue does not exist in this patch. A new block? And how do we know about it? Bindings are supposed to be complete. We see bindings and you receive review. Post complete bindings. Best regards, Krzysztof