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=-10.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 BE36CECDE28 for ; Wed, 11 Sep 2019 06:16:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 96F5321A4C for ; Wed, 11 Sep 2019 06:16:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726908AbfIKGQ2 (ORCPT ); Wed, 11 Sep 2019 02:16:28 -0400 Received: from mga04.intel.com ([192.55.52.120]:26661 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726018AbfIKGQ1 (ORCPT ); Wed, 11 Sep 2019 02:16:27 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Sep 2019 23:16:27 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,492,1559545200"; d="scan'208";a="185731691" Received: from pipin.fi.intel.com ([10.237.72.175]) by fmsmga007.fm.intel.com with ESMTP; 10 Sep 2019 23:16:25 -0700 From: Felipe Balbi To: Richard Cochran Cc: Christopher S Hall , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Felipe Balbi Subject: [PATCH v4 2/2] PTP: add support for one-shot output Date: Wed, 11 Sep 2019 09:16:22 +0300 Message-Id: <20190911061622.774006-2-felipe.balbi@linux.intel.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20190911061622.774006-1-felipe.balbi@linux.intel.com> References: <20190911061622.774006-1-felipe.balbi@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Some controllers allow for a one-shot output pulse, in contrast to periodic output. Now that we have extensible versions of our IOCTLs, we can finally make use of the 'flags' field to pass a bit telling driver that if we want one-shot pulse output. Signed-off-by: Felipe Balbi --- Changes since v3: - Remove bogus bitwise negation Changes since v2: - Add _PEROUT_ to bit macro Changes since v1: - remove comment from .flags field include/uapi/linux/ptp_clock.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/include/uapi/linux/ptp_clock.h b/include/uapi/linux/ptp_clock.h index 9a0af3511b68..f16301015949 100644 --- a/include/uapi/linux/ptp_clock.h +++ b/include/uapi/linux/ptp_clock.h @@ -38,8 +38,8 @@ /* * Bits of the ptp_perout_request.flags field: */ -#define PTP_PEROUT_VALID_FLAGS (0) - +#define PTP_PEROUT_ONE_SHOT (1<<0) +#define PTP_PEROUT_VALID_FLAGS (PTP_PEROUT_ONE_SHOT) /* * struct ptp_clock_time - represents a time value * @@ -77,7 +77,7 @@ struct ptp_perout_request { struct ptp_clock_time start; /* Absolute start time. */ struct ptp_clock_time period; /* Desired period, zero means disable. */ unsigned int index; /* Which channel to configure. */ - unsigned int flags; /* Reserved for future use. */ + unsigned int flags; unsigned int rsv[4]; /* Reserved for future use. */ }; -- 2.23.0