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Tue, 1 Jul 2025 05:24:01 -0500 Received: from lelvem-mr05.itg.ti.com (10.180.75.9) by DLEE107.ent.ti.com (157.170.170.37) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.55 via Frontend Transport; Tue, 1 Jul 2025 05:24:01 -0500 Received: from [172.24.227.167] (jayesh-hp-z2-tower-g5-workstation.dhcp.ti.com [172.24.227.167]) by lelvem-mr05.itg.ti.com (8.18.1/8.18.1) with ESMTP id 561ANvYS1388403; Tue, 1 Jul 2025 05:23:57 -0500 Message-ID: Date: Tue, 1 Jul 2025 15:53:56 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/4] arm64: dts: ti: k3-j721e-main: Make the "scm_conf" node a "simple-bus" From: Jayesh Choudhary To: Krzysztof Kozlowski , , , CC: , , , , , , , , References: <20250603095609.33569-1-j-choudhary@ti.com> <20250603095609.33569-2-j-choudhary@ti.com> <15da3051-c35e-4876-9185-9079493dc66c@kernel.org> <0c69137d-93ad-4843-8512-9885b9cba452@ti.com> Content-Language: en-US In-Reply-To: <0c69137d-93ad-4843-8512-9885b9cba452@ti.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250701_112411_321416_16BA7B6E X-CRM114-Status: GOOD ( 15.51 ) 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 Hello Krzysztof, On 04/06/25 15:18, Jayesh Choudhary wrote: > Hello Krzysztof, > > On 03/06/25 16:32, Krzysztof Kozlowski wrote: >> On 03/06/2025 11:56, Jayesh Choudhary wrote: >>> The "scm_conf" bus need not be "syscon". Now that we have "pcie*_ctrl" >>> child nodes for "ti,syscon-pcie-ctrl" property in "pcie" nodes, change >>> "scm_conf" node to "simple-bus". >>> Also remove "reg" property as it is not needed by "simple-bus". >> >> This (possibly) affects all other users of DTS which were expecting this >> ABI. It's not only about forward-compatibility, but other projects. >> >> Maybe this doe snot matter for you, so explain that in commit msg and >> provide rationale why you are affecting other users. >> >> > > This should not affect other users of DTS. J784S4 already has this > change and it serves as a validation that DT nodes are compatible > with other projects (for example uboot driver handles it). > Other SoCs are being modified with taking J784S4 as a working reference. > > Considering this, do I still need to add something? Or is it okay > since I am not exactly affecting other projects? > Should I add something along the lines of "similar to j784s4...."? > Gentle ping on the above comment. I have checked other projects like Barebox. That supports TI K3 SoC but only AM62x and AM62L. Nothing in this series affects it. Warm Regards, Jayesh > >> >> Best regards, >> Krzysztof