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=-8.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 1A7C6C04AB5 for ; Mon, 3 Jun 2019 19:05:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E44AF270B2 for ; Mon, 3 Jun 2019 19:05:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="CY8h8Wmp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727047AbfFCTFI (ORCPT ); Mon, 3 Jun 2019 15:05:08 -0400 Received: from mail-lj1-f195.google.com ([209.85.208.195]:43461 "EHLO mail-lj1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726136AbfFCTEP (ORCPT ); Mon, 3 Jun 2019 15:04:15 -0400 Received: by mail-lj1-f195.google.com with SMTP id 16so3710131ljv.10; Mon, 03 Jun 2019 12:04:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ETNkw8fFUbaK1GsH9w3HEMnksKyWiZUE22AHo7ajX+U=; b=CY8h8WmpWp2u0+cokTb39locVU2prxk6QwaH6+0+aw2cBoHKZvL5PEWfiu7JQs3Uo/ BsjCLJ2onfdmOrvDTXsmZuHwv8JY0zLOvZY1U2hFAh6cPKLAn3gTrfeN6XWswKhOJ+3M wA+hV3ZR+dsDyh2dt7HsNP9jKQVb0qqjcq7l5xz+1WOEbItJvTJ80GQJw9h5kY6G2Z3Z 3kN3MPwV+Z+SDEkFsI7USdOMMwJcrh73g/7p9SNOfTkNBEbmMvwXgW1dJZYOV4jfGvKx +Czzxg1yl/a4Qd1vNJCuEBLwzEnNa0qnJdTW+BL2mOk2qqc03r9d9OSxIsaQqgofAx4R j6wg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ETNkw8fFUbaK1GsH9w3HEMnksKyWiZUE22AHo7ajX+U=; b=r2fs7V3DHng37x6R/fzv5jK/tc2xdTDpbnZ12ss/s702tyNjJzHhxC66Nj5qFlfutr o0RUbjWXCyGICrNJfN7epngbS7XNpVfBRIOSGsHZCI/eV64NMWzk63O4j7me23r9TeJc 7x3AcmmOItsEgf/SFFqaNRCrmch72L9GdkFjQ18FnSb2or4fmEcCXN3+afqeJsooOd3q A7CANTl/N1Ag1B2w5mh7MNpOhmMcHNbCUx9Q2JjKn/hO+FkSiG5Po7/TiPJnEgBseMun 3wodcIzxTDXIDKIj6HRiPbBDHzZ0nxNHGfZgNnCf0Rp1Rn6G+W7d/l4hfZxf4HaaRGzT M1jg== X-Gm-Message-State: APjAAAXiH698FKPdJouu1WmMGJb8/qXe4An7AZhfsTpT8Pdet9I1q1kT Jj4C8jGBABOO/SoFFZY4GDA= X-Google-Smtp-Source: APXvYqxQRsHEFoS0bcsLgzG562Q4RL+81J3KPPWi4gc2p7n5sDd7pPPiyXedMyERUe0wAZ9eUPKS1w== X-Received: by 2002:a2e:9d43:: with SMTP id y3mr13612103ljj.154.1559588653193; Mon, 03 Jun 2019 12:04:13 -0700 (PDT) Received: from localhost.localdomain ([94.29.35.141]) by smtp.gmail.com with ESMTPSA id l22sm2768805ljb.39.2019.06.03.12.04.11 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 03 Jun 2019 12:04:12 -0700 (PDT) From: Dmitry Osipenko To: Daniel Lezcano , Joseph Lo , Thierry Reding , Jonathan Hunter , Peter De Schrijver Cc: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 03/10] clocksource/drivers/tegra: Reset hardware state on init Date: Mon, 3 Jun 2019 21:59:41 +0300 Message-Id: <20190603185948.30438-4-digetx@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190603185948.30438-1-digetx@gmail.com> References: <20190603185948.30438-1-digetx@gmail.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 Reset timer's hardware state to ensure that initially it is in a predictable state. Signed-off-by: Dmitry Osipenko --- drivers/clocksource/timer-tegra20.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/clocksource/timer-tegra20.c b/drivers/clocksource/timer-tegra20.c index 57e7aa2b80a3..739f83fdb318 100644 --- a/drivers/clocksource/timer-tegra20.c +++ b/drivers/clocksource/timer-tegra20.c @@ -132,6 +132,9 @@ static int tegra_timer_setup(unsigned int cpu) { struct timer_of *to = per_cpu_ptr(&tegra_to, cpu); + writel(0, timer_of_base(to) + TIMER_PTV); + writel(TIMER_PCR_INTR_CLR, timer_of_base(to) + TIMER_PCR); + irq_force_affinity(to->clkevt.irq, cpumask_of(cpu)); enable_irq(to->clkevt.irq); -- 2.21.0