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_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 4A19FC10F11 for ; Wed, 24 Apr 2019 23:15:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 76E2A21773 for ; Wed, 24 Apr 2019 23:15:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="osxIzQcK" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727786AbfDXXPP (ORCPT ); Wed, 24 Apr 2019 19:15:15 -0400 Received: from mail-lj1-f195.google.com ([209.85.208.195]:37841 "EHLO mail-lj1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727711AbfDXXPM (ORCPT ); Wed, 24 Apr 2019 19:15:12 -0400 Received: by mail-lj1-f195.google.com with SMTP id v13so5903218ljk.4; Wed, 24 Apr 2019 16:15:10 -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=mjGcbPS9GbZBCmmz8x+BiFOIrBo2dU/k3TmS0p8J6hA=; b=osxIzQcKOcnA1jszkl/XbrHO+ZTyDRhO7PXwLyfVJe9KXcmEvfBJzzF1D5INu9Ap8l Oy8hrGKd+hCahKHb2Gz/7xDKNVSiv1sDUJ7fBXx+LJQwV3Jpmk3CaMByt7vBtKrU2NBQ 34RPiFsddzjFTTWpvMz0ojjZjBBVYgjIXi2qwzSCBhJn4YchZi+bV++UcDhCGe8ubTxR PLqmm80lTXuZ80Ryuipknvl/HDzW2MdlzJ1gU8mtXL/HHsQlkTjEfBbGxmq+2rMHHElS ErThbrBD5QlJ2/Rkki8VDRmg6ZtqEMDHRKycz/jaKxZfpfJxpCV0hrekM+ywdPw55Oij FWsQ== 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=mjGcbPS9GbZBCmmz8x+BiFOIrBo2dU/k3TmS0p8J6hA=; b=YIZUzmDMZ375uYgXe7GqNGRrzey2olDNvSlr3r5S422Ih4HqkVfTAnq9JKa6KB9jw4 lIKpxS+xWAMTw5SlvlV9JrTZhWCcyEno6ItUTHccHVgDIldv9ni1ego2t0QQQtfyjTii nRE9RKgxo6Z+CwI/SSI/FJkbc0/DoWxQvSzOkNNLde1dH78kMPS/Fm+5Q+l1qgJfRsg/ x1C90ptLigt5jyCDB9+4L+tswVwk8cgUGD7/wPgixfEaF4bxtBPUT1ncjvtSJYQAne1i yPWZgQDa4+BTWUdlOwhrw3gjeKNvpt2HlR68jdWQApCag80ao9VCu8EaYoB1PlHmdo2h 0YyQ== X-Gm-Message-State: APjAAAWAu3rW6q1ANb6S47Ey7Oyz3z1doJc+NRE3cFZelusMX8/4CoNA ynzmFjsqeyXFlYRAdhmLOig= X-Google-Smtp-Source: APXvYqzVsurkeVg6PSf8QSINv3e9cDiR1CwnVXqvA72A71sQzQbmZoDINpRhdPvNYVS+LlLBAEak8g== X-Received: by 2002:a2e:a0c4:: with SMTP id f4mr1225684ljm.100.1556147710278; Wed, 24 Apr 2019 16:15:10 -0700 (PDT) Received: from localhost.localdomain (ppp94-29-35-107.pppoe.spdop.ru. [94.29.35.107]) by smtp.gmail.com with ESMTPSA id j13sm830192lfb.34.2019.04.24.16.15.09 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 24 Apr 2019 16:15:09 -0700 (PDT) From: Dmitry Osipenko To: Daniel Lezcano , Thomas Gleixner , Joseph Lo , Thierry Reding , Jonathan Hunter Cc: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 3/7] clocksource/drivers/tegra: Reset hardware state on init Date: Thu, 25 Apr 2019 02:14:40 +0300 Message-Id: <20190424231444.20876-4-digetx@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190424231444.20876-1-digetx@gmail.com> References: <20190424231444.20876-1-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 508ca4cdbc60..01d713f20a85 100644 --- a/drivers/clocksource/timer-tegra20.c +++ b/drivers/clocksource/timer-tegra20.c @@ -145,6 +145,9 @@ 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