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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 AFD65C76191 for ; Thu, 18 Jul 2019 08:58:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8C25D21019 for ; Thu, 18 Jul 2019 08:58:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389528AbfGRI6O (ORCPT ); Thu, 18 Jul 2019 04:58:14 -0400 Received: from mga17.intel.com ([192.55.52.151]:10418 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726383AbfGRI6N (ORCPT ); Thu, 18 Jul 2019 04:58:13 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 18 Jul 2019 01:58:13 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,276,1559545200"; d="scan'208";a="173124356" Received: from pipin.fi.intel.com (HELO pipin) ([10.237.72.175]) by orsmga006.jf.intel.com with ESMTP; 18 Jul 2019 01:58:10 -0700 From: Felipe Balbi To: Richard Cochran Cc: netdev@vger.kernel.org, Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H . Peter Anvin" , x86@kernel.org, linux-kernel@vger.kernel.org, "Christopher S . Hall" Subject: Re: [RFC PATCH 0/5] PTP: add support for Intel's TGPIO controller In-Reply-To: <20190717173915.GE1464@localhost> References: <20190716072038.8408-1-felipe.balbi@linux.intel.com> <20190716164123.GB2125@localhost> <87ef2p2lvc.fsf@linux.intel.com> <20190717173915.GE1464@localhost> Date: Thu, 18 Jul 2019 11:58:09 +0300 Message-ID: <87imrziuse.fsf@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Richard Cochran writes: > On Wed, Jul 17, 2019 at 09:52:55AM +0300, Felipe Balbi wrote: >> >> It's just a pin, like a GPIO. So it would be a PCB trace, flat flex, >> copper wire... Anything, really. > > Cool. Are there any Intel CPUs available that have this feature? At least canon lake has it, but its BIOS doesn't enable it. This is something that will be more important on future CPUs. -- balbi