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bh=9w9PoOAphBvrMeuMPvt+UDtYQWc7xDRbIiFcY8PW7pU=; b=JEp21IQ6lhvA7GHyuGEFtjRTQ4IGqq4eZbh2FLAyWSrqCEeOvJV9lOYHMkYJknW5QyyXv6 PGQpmEkwa+Ttf+W+qBq/IViwdlSgz1BWTOI98b7sbc7y7ggDQCzB+GcyEaNdPW63p56nD7 VUyEVD8AvdIbBgxmgEW+Ou1evzJhsH2mU8zW39XvcYQ9aON4sQMY3Pc8VNGd8rU1LZ7N67 v9mruJxmT99O7L9E+AcZwKtSMRHEUdVlFS3hcqeiJ7hZOgufxVRRQoPJ8bQgbMx0b9vV2Q SQEfEaeFx0h6BJIg8LdoIOmGeDEhG4BSWIKmxlXpY911xsKxLvOwGckKnEa1jw== Date: Thu, 25 Dec 2025 17:24:55 +0100 From: Alexandre Belloni To: Krzysztof Kozlowski Cc: Robert Marko , robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, nicolas.ferre@microchip.com, claudiu.beznea@tuxon.dev, herbert@gondor.apana.org.au, davem@davemloft.net, vkoul@kernel.org, andi.shyti@kernel.org, lee@kernel.org, andrew+netdev@lunn.ch, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, linusw@kernel.org, Steen.Hegelund@microchip.com, daniel.machon@microchip.com, UNGLinuxDriver@microchip.com, olivia@selenic.com, radu_nicolae.pirea@upb.ro, richard.genoud@bootlin.com, gregkh@linuxfoundation.org, jirislaby@kernel.org, broonie@kernel.org, mturquette@baylibre.com, sboyd@kernel.org, lars.povlsen@microchip.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, dmaengine@vger.kernel.org, linux-i2c@vger.kernel.org, netdev@vger.kernel.org, linux-gpio@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org, linux-usb@vger.kernel.org, linux-clk@vger.kernel.org, luka.perkov@sartura.hr Subject: Re: [PATCH v3 01/15] include: dt-bindings: add LAN969x clock bindings Message-ID: <2025122516245554f59e2e@mail.local> References: <20251223201921.1332786-1-robert.marko@sartura.hr> <20251223201921.1332786-2-robert.marko@sartura.hr> <20251224-berserk-mackerel-of-snow-4cae54@quoll> <78bf252c-fd5e-4a36-b1a3-ca8ed26fde7a@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251225_082515_955791_1339B17D X-CRM114-Status: GOOD ( 22.66 ) 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 25/12/2025 09:47:34+0100, Krzysztof Kozlowski wrote: > On 24/12/2025 15:01, Robert Marko wrote: > > On Wed, Dec 24, 2025 at 2:05 PM Krzysztof Kozlowski wrote: > >> > >> On 24/12/2025 11:30, Robert Marko wrote: > >>> On Wed, Dec 24, 2025 at 11:21 AM Krzysztof Kozlowski wrote: > >>>> > >>>> On Tue, Dec 23, 2025 at 09:16:12PM +0100, Robert Marko wrote: > >>>>> Add the required LAN969x clock bindings. > >>>> > >>>> I do not see clock bindings actually here. Where is the actual binding? > >>>> Commit msg does not help me at all to understand why you are doing this > >>>> without actual required bindings. > >>> > >>> I guess it is a bit confusing, there is no schema here, these are the > >>> clock indexes that > >>> reside in dt-bindings and are used by the SoC DTSI. > >> > >> I understand as not used by drivers? Then no ABI and there is no point > >> in putting them into bindings. > > > > It is not included by the driver directly, but it requires these exact > > indexes to be passed > > so its effectively ABI. > > How it requires the exact index? In what way? I do not see anything in > the gck driver using/relying on these values. Nothing. Please point me > to the line which directly uses these values.... or how many times I > will need to write this is not ABI? > The index here is the exact id that needs to be set in the PMC_PCR register and so it is dictated by the hardware. -- Alexandre Belloni, co-owner and COO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com