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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 A73CEC4360C for ; Fri, 27 Sep 2019 08:48:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 72A482190F for ; Fri, 27 Sep 2019 08:48:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=st.com header.i=@st.com header.b="Bv5Vu79F" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726668AbfI0Ist (ORCPT ); Fri, 27 Sep 2019 04:48:49 -0400 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:57999 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726016AbfI0Iss (ORCPT ); Fri, 27 Sep 2019 04:48:48 -0400 Received: from pps.filterd (m0046037.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id x8R8fjec006027; Fri, 27 Sep 2019 10:48:34 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : cc : subject : date : message-id : mime-version : content-type; s=STMicroelectronics; bh=ayL8eQrfMYYYZ89qhZMpJBir5iXTNJTvqlhNsSEpU0k=; b=Bv5Vu79FuQV8xXY8UAsqZmpHCrLurvtmL+VGNFjfmdMVl2J/AvEdxtF2we4h/K+/fiuT SSj79PkHgLt3sYGdTqVpU4xmaA56rTmEoV6YIJYk5WCR+Umn+DMt7MW0yIIlMImmEvfi 7NshGQuUNKLzZr5kbGrW2xf30mNa8Q6J4uvo82uJbJpogC9A/SHJzgIM3GhnDpXKnZKZ 6fQrlbyg5agbkgWoIacEWZtgMXrRZcUEEj+Q5/IfaKpBVbhurA33AD7yaHZGqeK3a9tE pyMIXpbI/ELU1DBGT/cK9qQwViyMYsruAqyQayBRg8pml5w7c1vQNcAATAuMQgA+te3a 5w== Received: from beta.dmz-ap.st.com (beta.dmz-ap.st.com [138.198.100.35]) by mx07-00178001.pphosted.com with ESMTP id 2v59mxkeyf-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Fri, 27 Sep 2019 10:48:34 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-ap.st.com (STMicroelectronics) with ESMTP id 9ADDF4D; Fri, 27 Sep 2019 08:48:30 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas23.st.com [10.75.90.46]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id BCD522B13BF; Fri, 27 Sep 2019 10:48:29 +0200 (CEST) Received: from SAFEX1HUBCAS22.st.com (10.75.90.92) by SAFEX1HUBCAS23.st.com (10.75.90.46) with Microsoft SMTP Server (TLS) id 14.3.439.0; Fri, 27 Sep 2019 10:48:29 +0200 Received: from localhost (10.201.20.122) by Webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.439.0; Fri, 27 Sep 2019 10:48:28 +0200 From: Benjamin Gaignard To: , , CC: , , , , Benjamin Gaignard Subject: [PATCH] ARM: dts: stm32: Enable high resolution timer Date: Fri, 27 Sep 2019 10:48:19 +0200 Message-ID: <20190927084819.645-1-benjamin.gaignard@st.com> X-Mailer: git-send-email 2.15.0 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.201.20.122] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,1.0.8 definitions=2019-09-27_04:2019-09-25,2019-09-27 signatures=0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adding always-on makes arm arch_timer claim to be an high resolution timer. That is possible because power mode won't stop clocking the timer. Signed-off-by: Benjamin Gaignard --- arch/arm/boot/dts/stm32mp157c.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi index 9b11654a0a39..74f64745d60d 100644 --- a/arch/arm/boot/dts/stm32mp157c.dtsi +++ b/arch/arm/boot/dts/stm32mp157c.dtsi @@ -50,6 +50,7 @@ , ; interrupt-parent = <&intc>; + always-on; }; clocks { -- 2.15.0