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Mon, 12 Jan 2026 16:20:49 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id i3GQKifUOJVS for ; Mon, 12 Jan 2026 16:20:48 +0000 (UTC) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=2600:3c0a:e001:78e:0:1991:8:25; helo=sea.source.kernel.org; envelope-from=krzk@kernel.org; receiver= DMARC-Filter: OpenDMARC Filter v1.4.2 smtp2.osuosl.org 858AD402F1 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org 858AD402F1 Received: from sea.source.kernel.org (sea.source.kernel.org [IPv6:2600:3c0a:e001:78e:0:1991:8:25]) by smtp2.osuosl.org (Postfix) with ESMTPS id 858AD402F1 for ; Mon, 12 Jan 2026 16:20:48 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 13ABB43D79; Mon, 12 Jan 2026 16:20:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1E47BC116D0; Mon, 12 Jan 2026 16:20:41 +0000 (UTC) Message-ID: Date: Mon, 12 Jan 2026 17:20:40 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Ivan Vecera References: <20260108182318.20935-1-ivecera@redhat.com> <20260108182318.20935-4-ivecera@redhat.com> <20260109-cooperative-chinchilla-of-swiftness-aebbc8@quoll> <09ffc379-85e5-41ce-b781-66ba6bb9a6c7@redhat.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768234847; bh=/PdvU0M1gZ9pGznJXLnSLXthS7353A8aYAPJNcKB1vg=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=ArJe9oo7Hwl+ssrsthaaQAI7mi51T4urx1Tk/XaEeNYSOJINQVIYrGKQkUZKennKd cNG74KbAlT9/tyZRdxJFrIJd6EXmnNv/RDQ9XF2QLFwm2FeScUoyeF+qs/SpYgErjU JhiX4KZLQ8CRTPe6ptyrfJRCnK5zSZRUAxsIGNX/e7BeDt0o4KrJ6VDb70nsBmm9+t dPgDsolJmGF8jpdrTud9i3Mpdw8tpMlFLuOh/LznVEtM52VMaAKB0Pb1Mm97N/VUq7 gcCAjHE9CTn7g75O90oXwGw9JUvuIKIwL/c+RthTtoLhQ1JyiR89xuoxgHjNFxWJfs 1KflpLJ7HrJvg== X-Mailman-Original-Authentication-Results: smtp2.osuosl.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org X-Mailman-Original-Authentication-Results: smtp2.osuosl.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=ArJe9oo7 Subject: Re: [Intel-wired-lan] [PATCH net-next 03/12] dpll: Add helpers to find DPLL pin fwnode X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Eric Dumazet , Tony Nguyen , Rob Herring , Leon Romanovsky , Andrew Lunn , linux-rdma@vger.kernel.org, Przemek Kitszel , Arkadiusz Kubalewski , intel-wired-lan@lists.osuosl.org, Jakub Kicinski , Paolo Abeni , devicetree@vger.kernel.org, Conor Dooley , Jiri Pirko , Richard Cochran , Prathosh Satish , Vadim Fedorenko , netdev@vger.kernel.org, Mark Bloch , linux-kernel@vger.kernel.org, Tariq Toukan , Alexander Lobakin , Jonathan Lemon , Krzysztof Kozlowski , Saeed Mahameed , "David S. Miller" Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" On 09/01/2026 15:19, Ivan Vecera wrote: > > > On 1/9/26 10:55 AM, Krzysztof Kozlowski wrote: >> On Thu, Jan 08, 2026 at 07:23:09PM +0100, Ivan Vecera wrote: >>> Add helper functions to the DPLL core to retrieve a DPLL pin's firmware >>> node handle based on the "dpll-pins" and "dpll-pin-names" properties. >>> >>> * `fwnode_dpll_pin_node_get()`: matches the given name against the >>> "dpll-pin-names" property to find the correct index, then retrieves >>> the reference from "dpll-pins". >>> * `device_dpll_pin_node_get()`: a wrapper around the fwnode helper for >>> convenience when using a `struct device`. >>> >>> These helpers simplify the process for consumer drivers (such as Ethernet >>> controllers or PHYs) to look up their associated DPLL pins defined in >>> the DT or ACPI, which can then be passed to the DPLL subsystem to acquire >>> the pin object. >>> >>> Signed-off-by: Ivan Vecera >>> --- >>> drivers/dpll/dpll_core.c | 20 ++++++++++++++++++++ >>> include/linux/dpll.h | 15 +++++++++++++++ >>> 2 files changed, 35 insertions(+) >>> >> >> I don't see cells defined in your binding. Neither updated property.c. > > And if the cells are not required? I mean that dpll-names only specifies > array of phandles without parameters... > > e.g. > dpll-pin-names = "abc", "def"; > dpll-pins = <&dpll_pin_abc>, <&dpll_pin_def>; > > Should '#dpll-pin-cells' be defined as constantly equal to 0? I don't understand how can you guarantee for every possible future device to have always cells=0. If that's the case then indeed you do not need cells, but this needs explanation. You are designing now entire ABI, so you must design it fully, not just "works for me now". Lack of complete DTS - nothing here, nothing in the changelog - is IMO reason to NAK this patchset completely, also for reason me guessing the entire design instead of seeing the big picture. Best regards, Krzysztof