From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-182.mta0.migadu.com (out-182.mta0.migadu.com [91.218.175.182]) (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 8A5ED883F for ; Mon, 12 Jan 2026 14:52:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.182 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768229560; cv=none; b=TpYYdzY0tdanGkYGydrD1tG5hPCE/F/0HmQDwjB4hrkjGnhddBqyZG2ncjQv221nyx/MbZeJzq2r2vN5ogB3sLvHGgdhWsAXxogO/u0wXPlJryrXG2+lnFQDCZfHA04s8DSERYG5ibZpsF5gTqI6ZQSHL6W3CqJ6jwECgHemwi0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768229560; c=relaxed/simple; bh=rk8bXKLs85EyZHFcbsB6vMfK2HtohBmLI1PGrH8lWtk=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=uWCWlplWLyssXTnvFYfOqXsKDU06FLUiGtj9T84pVsPaNMcC8K4fvI/qOb1wSm/MYZ5OiUO6pFZ7QE+K+mJClSi+F7imIaIJYzOYHr69WzlPvRCVGB6yP4gqkhmCB63siEtPSolI6+X1zrCupwE7dUKOtVqmVG+Up9Ionc6MF4Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=Qip6fCr2; arc=none smtp.client-ip=91.218.175.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="Qip6fCr2" Message-ID: <87495044-59a3-49ed-b00c-01a7e9a23f6b@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1768229556; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=t0emvJ+ADmIcSWvy6T91yM9f9/IPC+6X0Ta51udzejc=; b=Qip6fCr24w+mxhxajrnVbpJNOVzhcHP5SS4dq32LFfeHU6v++EZE708vYsjQP9R7ZtENgv 3YxK9vD1mGRbCrfHbGZweg3170J+D6Wdn9qD6krCW9LQR4Wkt25LMMic/cLfy+u9tel1xT f1wp+rkLsaWPuOpgKjA53vMXKfcqtHk= Date: Mon, 12 Jan 2026 14:52:30 +0000 Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [RFC] Defining a home/maintenance model for non-NIC PHC devices using the /dev/ptpX API To: Andrew Lunn Cc: Sven Schnelle , Wen Gu , Thomas Gleixner , Richard Cochran , "netdev@vger.kernel.org" , LKML , Jakub Kicinski , Dust Li , Xuan Zhuo , Andrew Lunn , David Woodhouse , virtualization@lists.linux.dev, Nick Shi , Paolo Abeni , linux-clk@vger.kernel.org References: <0afe19db-9c7f-4228-9fc2-f7b34c4bc227@linux.alibaba.com> <6a32849d-6c7b-4745-b7f0-762f1b541f3d@linux.dev> <7be41f07-50ab-4363-8a53-dcdda63b9147@lunn.ch> Content-Language: en-US X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Vadim Fedorenko In-Reply-To: <7be41f07-50ab-4363-8a53-dcdda63b9147@lunn.ch> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT On 12/01/2026 13:24, Andrew Lunn wrote: >>> drivers/ptp/core - API as written above >>> drivers/ptp/virtual - all PtP drivers somehow emulating a PtP clock >>> (like the ptp_s390 driver) >>> drivers/ptp/net - all NIC related drivers. >>> >> >> >> Well, drivers/ptp/virtual is not really good, because some drivers are >> for physical devices exporting PTP interface, but without NIC. > > If the lack of a NIC is the differentiating property: > >>> drivers/ptp/net - all NIC related drivers. >>> drivers/ptp/netless - all related drivers which are not associated to a NIC. > > Or > >>> drivers/ptp/emulating - all drivers emulating a PtP clock I would go with "emulating" then. > > Andrew