From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 76356C282D7 for ; Wed, 30 Jan 2019 14:09:40 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 472D6218AC for ; Wed, 30 Jan 2019 14:09:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="bQfyrinr"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="E4itVRdw" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 472D6218AC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=F8WnHrpHT7jpMzUUsirlGXGmYpk/J70g7piZNOJY9nk=; b=bQfyrinr+WRk5T RQIQaxj39GirqRGA6NxJuZVLhnEhasDzEht3f4q73otsUvkix6hNLOFSNl9sIiamaDZEfdSkARIyX 0UBCNhXZ2C1AVWQAOOaBz2bQ3+MEeHxDGV2FC42QfC3WkkarR/w5N5nzYHjsFeBwhIOvp56gPdhp1 7bEZffkzOPBjSBclF7N+OPyVwrZNLTdq4NtUGNiVQcz+1aTbzKnk5ydDmpJ+NqnNoORNgjd61LMFj x/K4D7sB53JKRg/qROiDoeZIq6EmNdQHjSHZ0Z3v2DGEXWYY6jzmZIrUd416GlIP7BW7zCjtGoqS1 3Ou0szwJSqw2Jy7D9kWg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1goqYZ-0007LG-G1; Wed, 30 Jan 2019 14:09:35 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1goqYW-0007Kv-Th for linux-arm-kernel@lists.infradead.org; Wed, 30 Jan 2019 14:09:34 +0000 Received: from localhost (unknown [69.71.4.100]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EF0CE218A4; Wed, 30 Jan 2019 14:09:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548857372; bh=0Km+iSKyaMuzF9hZrxprPh3mJUVRfgED3Q3IXmmmmNQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=E4itVRdwP9Q0okhcv+1BDS+Xuy4KlQsSlP+XSQpv6tJK3e7p6ADTEaqw/vyWK5pd9 bdKnW6x+MWBmcc5DwVwoxfHI6GjxIRfB3WX5iaOlMbFg1p2eNoeoZqoaten+S59ucR Wd9iw9RZQcAJlt752qv2/jDXaZKUfVf1NFKPeuU0= Date: Wed, 30 Jan 2019 08:09:29 -0600 From: Bjorn Helgaas To: Aleksey Makarov Subject: Re: [PATCH net-next v6 1/2] net: add support for Cavium PTP coprocessor Message-ID: <20190130140929.GA227269@google.com> References: <20180115124500.14872-1-aleksey.makarov@cavium.com> <20180115124500.14872-2-aleksey.makarov@cavium.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20180115124500.14872-2-aleksey.makarov@cavium.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190130_060932_975691_32417469 X-CRM114-Status: GOOD ( 18.70 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Robert Richter , "Goutham, Sunil" , netdev@vger.kernel.org, Richard Cochran , Radoslaw Biernacki , linux-kernel@vger.kernel.org, David Daney , Philippe Ombredanne , Joe Perches , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Jan 15, 2018 at 06:44:56PM +0600, Aleksey Makarov wrote: > From: Radoslaw Biernacki > > This patch adds support for the Precision Time Protocol > Clocks and Timestamping hardware found on Cavium ThunderX > processors. > > Signed-off-by: Radoslaw Biernacki > Signed-off-by: Aleksey Makarov > Acked-by: Philippe Ombredanne > --- > drivers/net/ethernet/cavium/Kconfig | 12 + > drivers/net/ethernet/cavium/Makefile | 1 + > drivers/net/ethernet/cavium/common/Makefile | 1 + > drivers/net/ethernet/cavium/common/cavium_ptp.c | 353 ++++++++++++++++++++++++ > drivers/net/ethernet/cavium/common/cavium_ptp.h | 70 +++++ > 5 files changed, 437 insertions(+) > create mode 100644 drivers/net/ethernet/cavium/common/Makefile > create mode 100644 drivers/net/ethernet/cavium/common/cavium_ptp.c > create mode 100644 drivers/net/ethernet/cavium/common/cavium_ptp.h > > diff --git a/drivers/net/ethernet/cavium/Kconfig b/drivers/net/ethernet/cavium/Kconfig > index 63be75eb34d2..96586c0b4490 100644 > --- a/drivers/net/ethernet/cavium/Kconfig > +++ b/drivers/net/ethernet/cavium/Kconfig > @@ -50,6 +50,18 @@ config THUNDER_NIC_RGX > This driver supports configuring XCV block of RGX interface > present on CN81XX chip. > > +config CAVIUM_PTP > + tristate "Cavium PTP coprocessor as PTP clock" > + depends on 64BIT > + imply PTP_1588_CLOCK > + default y Why is this "default y"? It looks like this is a PCI driver and probably should be loaded only when the PCI device is present. > + ---help--- > + This driver adds support for the Precision Time Protocol Clocks and > + Timestamping coprocessor (PTP) found on Cavium processors. > + PTP provides timestamping mechanism that is suitable for use in IEEE 1588 > + Precision Time Protocol or other purposes. Timestamps can be used in > + BGX, TNS, GTI, and NIC blocks. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel