From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) (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 68E5A611E; Sat, 8 Feb 2025 03:33:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.21 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738985631; cv=none; b=MYuhKtwlYrH887i1B5PoEajS76d9jwCxArey3Pt1wDSLaLFCYHjQFHRq3OjAQtBaYBIelkc/oTzM06BPoPckRXEGVUjcsdE+UTFmuTTxyQHxE2YsSO2wo8xKrRNUe9bd9ojab4WFTK5AdYg9mHHVIm06dWruedVLlj5ZK/gMKwk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738985631; c=relaxed/simple; bh=E4ef/ftjH8Y83ESfkZ/ek4OwMIc3mSgBksj42G9pEyE=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ul9pRFqSUXXvr9Yc1YIcaYE0qjvZCEVE+Q18dqvfLisHYZ34HyDCEg5aAnlsz5Lgjeo1I4MWZITUj/gSjv+76nofXiM2ugqM8g8uXs2eswBgBGDFM6pqnMmEmSNeHG9/yzfmFLFnuEhXr0AzE6GBm6wpzsw/fPFNmX2js0YZKII= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=JrWCyfyD; arc=none smtp.client-ip=198.175.65.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="JrWCyfyD" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1738985629; x=1770521629; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=E4ef/ftjH8Y83ESfkZ/ek4OwMIc3mSgBksj42G9pEyE=; b=JrWCyfyDRTOUk0ngRY1C6TlxxztxhAuYGx0241kebH9QXtskTfEqynL7 LcP5cQHqCRGFLlx8g/bRNaQh+/b36nGXmXJxGXuWxAlql40gede9SWN2I ek4aDW99n4kC+Bixd2+Ep9m24/yDbQJybBqqaM/bvdK9TG0A13tGJ4+RU vUMj6cxeF6dvmgJ4aPo6yCJiajnURrPfQxfwkdrhNuuPZoLGX3i9unG1z apfqvCfHYdiNR7iNYjCaipJ7uRoI87R8TJp+vIHOOpFxyy1+BiBsJuvZ2 fKrpQPHhzQaGpkosgpeNSrz62QsfvjrxV4wZGqWMRmGPtc5ETCIT6vkfu w==; X-CSE-ConnectionGUID: IYAVMl0NSkuhQGMCWUWMTg== X-CSE-MsgGUID: UkVjxFPiS7eiJ1jNRFIsyA== X-IronPort-AV: E=McAfee;i="6700,10204,11338"; a="39541413" X-IronPort-AV: E=Sophos;i="6.13,268,1732608000"; d="scan'208";a="39541413" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Feb 2025 19:33:48 -0800 X-CSE-ConnectionGUID: KfrjFuMpRnayDLYzhLb9nA== X-CSE-MsgGUID: nahwQkBJSY+cDoGI/mkrIA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.13,268,1732608000"; d="scan'208";a="111621205" Received: from choongyo-mobl.gar.corp.intel.com (HELO [10.247.21.123]) ([10.247.21.123]) by fmviesa007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Feb 2025 19:33:41 -0800 Message-ID: <71887246-d30f-4134-8c6d-b379477b2457@linux.intel.com> Date: Sat, 8 Feb 2025 11:33:38 +0800 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 net-next v7 2/7] net: pcs: xpcs: re-initiate clause 37 Auto-negotiation To: Andrew Lunn Cc: "Russell King (Oracle)" , Simon Horman , Jose Abreu , Jose Abreu , David E Box , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H . Peter Anvin" , Rajneesh Bhardwaj , David E Box , Andrew Lunn , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Alexandre Torgue , Jiawen Wu , Mengyuan Lou , Heiner Kallweit , Hans de Goede , =?UTF-8?Q?Ilpo_J=C3=A4rvinen?= , Richard Cochran , Serge Semin , x86@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org References: <20250206131859.2960543-1-yong.liang.choong@linux.intel.com> <20250206131859.2960543-3-yong.liang.choong@linux.intel.com> <564ede5d-9f53-40be-9305-63f63b384e15@linux.intel.com> <12e86fbe-9515-4b81-951c-8bf86e2939d6@lunn.ch> Content-Language: en-US From: Choong Yong Liang In-Reply-To: <12e86fbe-9515-4b81-951c-8bf86e2939d6@lunn.ch> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 7/2/2025 9:32 pm, Andrew Lunn wrote: >> Good point. I cannot find this scenario in the datasheet. Please allow me >> some time to test this scenario. I will update you with the results. > > By data sheet, do you mean documentation from Synopsis, or is this an > internal document? Assuming the hardware engineers have not hacked up > the Synopsis IP too much, the Synopsis documentation is probably the > most accurate you have. > >>> What about 1000BASE-X when AN is enabled or disabled and then switching >>> to SGMII? >>> >> According to the datasheet, a soft reset is required. > > Do you know if this is specific to Intels integration of the Synopsis > IP, or this is part of the core licensed IP? > > We need to understand when we need a quirk because intel did something > odd, or it is part of the licensed IP and should happen for all > devices using the IP. > > Andrew > Hi Andrew, Thank you for your questions. Just to clarify, when I mention the "datasheet," I am referring to the documentation from "Synopsis - DesignWare Cores Ethernet PCS" and not specific to Intel's documentation.