From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f47.google.com (mail-wm1-f47.google.com [209.85.128.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C8F3E3446C4 for ; Tue, 5 May 2026 11:31:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.47 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777980714; cv=none; b=MoByMzGvFhWuHgwyhCAIpx5LbO5TGcuhF5jXEViTuvZ4a1Uk45VlO2gVtusPGguI5eYR9NUSmn9JPL+tBPkLRhaF6EiAptMZcpyqPrWggyAQrX0DfReceq7LEutSLbTsa9Mg3UaVoIfUFgk0zA1mO5vjdp2tMvVcTq28s0htvl4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777980714; c=relaxed/simple; bh=5QmGK/sRe6CLN82FEAV+S1ZkmL/I+KPUOLTHRhQAkbU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=mbCBhsX1eC5VcJ3b8W83UE2WSZGUaM2EF4EMvyXZ1yrHiJbRUdIJexoY6nURIH+ai3EZxDNwIUZcdE0N8lUQnwH1Lmj8xxr5z+Eu/t5TuUFxdljUIzIaQ7XtmNBQk6PBOBq8DPOzFdbm2af2tpMqcLMjnRRryKWgG6ZuzlQ5UpM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=resnulli.us; spf=none smtp.mailfrom=resnulli.us; dkim=pass (2048-bit key) header.d=resnulli-us.20251104.gappssmtp.com header.i=@resnulli-us.20251104.gappssmtp.com header.b=SvqKre5n; arc=none smtp.client-ip=209.85.128.47 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=resnulli.us Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=resnulli.us Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=resnulli-us.20251104.gappssmtp.com header.i=@resnulli-us.20251104.gappssmtp.com header.b="SvqKre5n" Received: by mail-wm1-f47.google.com with SMTP id 5b1f17b1804b1-48374014a77so60854275e9.3 for ; Tue, 05 May 2026 04:31:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=resnulli-us.20251104.gappssmtp.com; s=20251104; t=1777980710; x=1778585510; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=5QmGK/sRe6CLN82FEAV+S1ZkmL/I+KPUOLTHRhQAkbU=; b=SvqKre5nkPPIQAo74IbS+p5NJ8s4lfqqeQbU7UWCz2A9Pdg3va78F+BNhWjh1a3WeI paPdsiR23i8PtQam9vtpI2u7fWOZjyyOLyEUVso7ZEB7GSdWme1X+QZpbscCylCipY4C lM9nZWD03w5kC9GeKuE0ikmDOv+l7M5n+HxABxL7S4WHs3sgAmtZRF6Ej6eU2IymjI32 GLMMhzZGbyy7HX/6flNx0hwX+9ew+HvQ6IS+rCUNUFarFI74CQDoQG2It2p9qzMIer6E yKA+yoZksL6OElZLnS4xNWgYltulFu7M1ngML9X9dJruWamNk8o8Tc46PA5ffVIfTY27 na3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777980710; x=1778585510; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=5QmGK/sRe6CLN82FEAV+S1ZkmL/I+KPUOLTHRhQAkbU=; b=euVrPVZ8BTEx3ouSyZnX14Tb5S0CgSm+GRyLmkcn8ErMgH3rKopx+B3zp8OzwEuMnE 8+VOj7IlhcO3AQ75jGYXoToXhcuBI6WGZOyZVjF8E2JGw1zjq3Xr+qneeSe3YIaKJo+4 k3/8UXi2AIAS3tsknbFtlGz+cPxnZco21yETrzBOIHnquwZxK4kJBm3oy1SAKnO+3eG4 3P56M3L/27PF3Y4sxq/NhKOkste+8fjsUHblGem8cbv2QNNjFSn15pZNInflY1/ZwHYJ tbzqCy9tuUSUK0l+xQF/7wqfJoTipwlQgbwmZQT9x81J/RSGjB5OfIY5ijBkE2aKxKr/ 2vkA== X-Gm-Message-State: AOJu0YwlAlwOXKBWGcjjWvmGgIVRPpEYukW5aCiFtsCr63juKh/7o4XJ +fApIB2HpZAwgBrI1CzgTOaa85uLtY6aUsiqcCSNDNxKI2E/MUwXJluG52qR1u8scz8= X-Gm-Gg: AeBDieu5A999XnV+JaX4igPMvbRX5h0lJsHOBz+Ei5cED60rtTuxLeZio2G42mk8oBv 9Wk2GWaED/CFe4BjaLsm3rGu4X9fX7HdVcVDJa6bd/0/By8cmc5TcScgNjFUbUqoLv+LzDI45o0 dPbSZSr342glQnqohqUNCMZ5Z+xKTXcFRp1IenqaaVLuTb6fp8uBVGB87zZfs5q479kx/B7qFqr rS98+0qINe+b1gjbd8oDeDRvkdGofbJ1RCcZNaCSMjiyhR7LYp/K0hL74qqc1AAKpVEX5uG3D2z /7HSfKO/Sivo46DaKKdJqXflRCV+sxXJNeXCbZNnM68H2vbctj3sPYCVB4SnRjiJ1xbIF7ZShL1 dIYf81n5wkLkP0laLYPwTBVlDl1ikewIUEGaFu5ZlhfLrnaLNq23H2FncdiV1qLl7m+7laoGTYV kU/E5hG9GOXq+apKJsyDWeg4THgR5NoV1JN0ftYD3d6jjZQQ== X-Received: by 2002:a05:600c:4445:b0:48a:52ee:5776 with SMTP id 5b1f17b1804b1-48a986380ecmr220325785e9.11.1777980709810; Tue, 05 May 2026 04:31:49 -0700 (PDT) Received: from FV6GYCPJ69 ([140.209.217.211]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48d184ed090sm14936015e9.33.2026.05.05.04.31.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 May 2026 04:31:48 -0700 (PDT) Date: Tue, 5 May 2026 13:31:41 +0200 From: Jiri Pirko To: Ivan Vecera Cc: netdev@vger.kernel.org, Andrew Lunn , Arkadiusz Kubalewski , "David S. Miller" , Donald Hunter , Eric Dumazet , Jakub Kicinski , Jonathan Corbet , Leon Romanovsky , Mark Bloch , Michal Schmidt , Paolo Abeni , Pasi Vaananen , Petr Oros , Prathosh Satish , Saeed Mahameed , Shuah Khan , Simon Horman , Tariq Toukan , Vadim Fedorenko , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org Subject: Re: [PATCH net-next v3 1/2] dpll: add fractional frequency offset to pin-parent-device Message-ID: References: <20260504155340.411063-1-ivecera@redhat.com> <20260504155340.411063-2-ivecera@redhat.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260504155340.411063-2-ivecera@redhat.com> Mon, May 04, 2026 at 05:53:39PM +0200, ivecera@redhat.com wrote: >Add both fractional-frequency-offset (PPM) and >fractional-frequency-offset-ppt (PPT) attributes to the >pin-parent-device nested attribute set, alongside the existing >top-level pin attributes. Both carry the same measurement at >different precisions. > >Distinguish the two contexts in the ffo_get callback by passing >dpll=NULL for the top-level call and a valid dpll pointer for the >nested per-parent call. This allows drivers to report a different >value per parent DPLL if needed. Update mlx5 and zl3073x drivers >to return -ENODATA for the context they do not yet support. > >Add documentation for both FFO attributes to dpll.rst. > >Signed-off-by: Ivan Vecera Reviewed-by: Jiri Pirko