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=-8.6 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 CE260C31E50 for ; Sun, 16 Jun 2019 23:49:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 989B12089E for ; Sun, 16 Jun 2019 23:49:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="I2DIE87n" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727416AbfFPXtN (ORCPT ); Sun, 16 Jun 2019 19:49:13 -0400 Received: from mail-lj1-f196.google.com ([209.85.208.196]:37703 "EHLO mail-lj1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726038AbfFPXtN (ORCPT ); Sun, 16 Jun 2019 19:49:13 -0400 Received: by mail-lj1-f196.google.com with SMTP id 131so7527013ljf.4; Sun, 16 Jun 2019 16:49:12 -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:mime-version :content-transfer-encoding; bh=Y+5yDRvcNIN4RUhpeH+EVFUJxnejknqZPYJEnpgH9uI=; b=I2DIE87nZet0GxiEsPHnRBPee2Nct6hYA0VsbLtWI2hTS2IcxmZaBMt3j1YB6KnFDW bL0kVcVcey+0Ce8yytXOokVz0sWLKx+OeIbhS628Tn9lHcna/r1N+bmiv3UfvGVTu38R veRxzSh0i1AlgBjc2UXjNKr4dCyGO8LNEegQ0ePMIE0B3tQcKnfFkd+2eol4UCQ8wlH9 PXrGto4DAw0ub8XG79V6Ca9wa8c9BSwdCQq1VQq6hDWQXJ3X/q62Pt3nGaWOJl8qc/d1 tN86HbJ1/70XxUo2XbCuoRMkZllAIQelK7LiRs0lCIzG4FtK1jj9fPA8C7snmyzZJme/ gEBg== 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:mime-version :content-transfer-encoding; bh=Y+5yDRvcNIN4RUhpeH+EVFUJxnejknqZPYJEnpgH9uI=; b=moNz9SNemn8sRar+HzMqRkknp7q65t4VVY9NBc8GNo8YrnRb17VhADtTVKaovKHJsu TiAjsaTWXUPCXBvu7U2sKrE93FfcF5N0bZwkIixc9IrGVvHElwVlBRq7BPu/e8GYOFmm LsOXtYOURNeA58FR0mMOAWab8Lg0dW7Cqo1vJOUlyvLBBipGsR0O46YS11Nou1F9V5rC DpJd4/10aJLZ9IDZR8V2ZTMy22+z04CwzvRyp4g0Kg4BXYVDlWu+OIhVPq47VSUKXNcn yxmG9P3XX+tidNDB7OFe6JfaWeQIhYsmo43aheezXsxMZpdnqRgt9bhu10aEIgnAXAHi plNQ== X-Gm-Message-State: APjAAAWm4a210LYAiVVoWkrBweEMSfG4WrqwXXHQk3Seasj6hvePYz+C MSOlZTIKib5WSyLGG3GtRxQ= X-Google-Smtp-Source: APXvYqzLiyi3CILtjo8tsRuB+ZrO67sNW5f+HoFMMYOB1BfFkdjvpNaEx0PNX92mlbfsJPxn9EbKow== X-Received: by 2002:a2e:a0cf:: with SMTP id f15mr27454859ljm.180.1560728952126; Sun, 16 Jun 2019 16:49:12 -0700 (PDT) Received: from localhost.localdomain (ppp91-79-162-197.pppoe.mtu-net.ru. [91.79.162.197]) by smtp.gmail.com with ESMTPSA id w1sm2032390ljm.81.2019.06.16.16.49.10 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 16 Jun 2019 16:49:11 -0700 (PDT) From: Dmitry Osipenko To: Daniel Lezcano , Thierry Reding , Jonathan Hunter , Peter De Schrijver Cc: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 1/2] clocksource/drivers/tegra: Cycles can't be 0 Date: Mon, 17 Jun 2019 02:47:43 +0300 Message-Id: <20190616234744.8975-1-digetx@gmail.com> X-Mailer: git-send-email 2.22.0 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 The minimum number of "cycles" is limited to 1 by clockevents_config_and_register(). Signed-off-by: Dmitry Osipenko --- drivers/clocksource/timer-tegra.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/clocksource/timer-tegra.c b/drivers/clocksource/timer-tegra.c index f6a8eb0d7322..090c85358fe8 100644 --- a/drivers/clocksource/timer-tegra.c +++ b/drivers/clocksource/timer-tegra.c @@ -54,9 +54,7 @@ static int tegra_timer_set_next_event(unsigned long cycles, { void __iomem *reg_base = timer_of_base(to_timer_of(evt)); - writel_relaxed(TIMER_PTV_EN | - ((cycles > 1) ? (cycles - 1) : 0), /* n+1 scheme */ - reg_base + TIMER_PTV); + writel_relaxed(TIMER_PTV_EN | (cycles - 1), reg_base + TIMER_PTV); return 0; } -- 2.22.0