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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 1C368C433E7 for ; Fri, 10 Jul 2020 23:10:17 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DBC2D205CB for ; Fri, 10 Jul 2020 23:10:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="HEtxwF8Z" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DBC2D205CB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=0z/5ak785690s3wgbQlTiA1w8yABvg6r7T3Xg+BW9tQ=; b=HEtxwF8Z0Er9Kf4IBMScrOi+F jgSULRC9JonQyTVW417BGZ8spEmPeSmZpB0c0qrBwr+QeYjlJvXz8QR1AjhX9DqT8ukZhSXl4zHgB /JS+jGbKTLfrRhVN0MmAwOjeOHemVwvYLLb5yOo/HT1ZTBXEIIs62OSw6Xx3hedMK2P6xqzfOODtB hd8m1WLQ2pLhymMN89u5fxuSmQmsLLjLyHEguHkX9GB3SJD0eNNjTmvoaZ7hI0L7g7xTMPWr+Od6u bhLAIOz3mbGfWpswKhipjgLQYF3tKBo/e4hQIutKYp/Xkz+9C4ap5YdVhtohiueQnJPUjGOvjCKAV LuddrIJ8w==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ju28Q-0004SU-FV; Fri, 10 Jul 2020 23:08:50 +0000 Received: from relay1-d.mail.gandi.net ([217.70.183.193]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ju280-0004Jg-NJ for linux-arm-kernel@lists.infradead.org; Fri, 10 Jul 2020 23:08:27 +0000 X-Originating-IP: 90.65.108.121 Received: from localhost (lfbn-lyo-1-1676-121.w90-65.abo.wanadoo.fr [90.65.108.121]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay1-d.mail.gandi.net (Postfix) with ESMTPSA id 5B633240006; Fri, 10 Jul 2020 23:08:23 +0000 (UTC) From: Alexandre Belloni To: Daniel Lezcano Subject: [PATCH v6 8/9] clocksource/drivers/timer-atmel-tcb: allow selecting first divider Date: Sat, 11 Jul 2020 01:08:12 +0200 Message-Id: <20200710230813.1005150-9-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200710230813.1005150-1-alexandre.belloni@bootlin.com> References: <20200710230813.1005150-1-alexandre.belloni@bootlin.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200710_190824_999605_DC6F6DCC X-CRM114-Status: GOOD ( 10.35 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kamel.bouhara@bootlin.com, Alexandre Belloni , Sebastian Andrzej Siewior , linux-kernel@vger.kernel.org, Thomas Gleixner , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The divider selection algorithm never allowed to get index 0. It was also continuing to look for dividers, trying to find the slow clock selection. This is not necessary anymore. Signed-off-by: Alexandre Belloni --- drivers/clocksource/timer-atmel-tcb.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/clocksource/timer-atmel-tcb.c b/drivers/clocksource/timer-atmel-tcb.c index 7a6474acc774..7fea134650fc 100644 --- a/drivers/clocksource/timer-atmel-tcb.c +++ b/drivers/clocksource/timer-atmel-tcb.c @@ -432,10 +432,8 @@ static int __init tcb_clksrc_init(struct device_node *node) tmp = rate / divisor; pr_debug("TC: %u / %-3u [%d] --> %u\n", rate, divisor, i, tmp); - if (best_divisor_idx > 0) { - if (tmp < 5 * 1000 * 1000) - continue; - } + if ((best_divisor_idx >= 0) && (tmp < 5 * 1000 * 1000)) + break; divided_rate = tmp; best_divisor_idx = i; } -- 2.26.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 130DBC433E0 for ; Fri, 10 Jul 2020 23:08:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EC78920786 for ; Fri, 10 Jul 2020 23:08:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727827AbgGJXIc (ORCPT ); Fri, 10 Jul 2020 19:08:32 -0400 Received: from relay1-d.mail.gandi.net ([217.70.183.193]:52085 "EHLO relay1-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726963AbgGJXIZ (ORCPT ); Fri, 10 Jul 2020 19:08:25 -0400 X-Originating-IP: 90.65.108.121 Received: from localhost (lfbn-lyo-1-1676-121.w90-65.abo.wanadoo.fr [90.65.108.121]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay1-d.mail.gandi.net (Postfix) with ESMTPSA id 5B633240006; Fri, 10 Jul 2020 23:08:23 +0000 (UTC) From: Alexandre Belloni To: Daniel Lezcano Cc: Thomas Gleixner , Nicolas Ferre , Sebastian Andrzej Siewior , kamel.bouhara@bootlin.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Alexandre Belloni Subject: [PATCH v6 8/9] clocksource/drivers/timer-atmel-tcb: allow selecting first divider Date: Sat, 11 Jul 2020 01:08:12 +0200 Message-Id: <20200710230813.1005150-9-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200710230813.1005150-1-alexandre.belloni@bootlin.com> References: <20200710230813.1005150-1-alexandre.belloni@bootlin.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 The divider selection algorithm never allowed to get index 0. It was also continuing to look for dividers, trying to find the slow clock selection. This is not necessary anymore. Signed-off-by: Alexandre Belloni --- drivers/clocksource/timer-atmel-tcb.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/clocksource/timer-atmel-tcb.c b/drivers/clocksource/timer-atmel-tcb.c index 7a6474acc774..7fea134650fc 100644 --- a/drivers/clocksource/timer-atmel-tcb.c +++ b/drivers/clocksource/timer-atmel-tcb.c @@ -432,10 +432,8 @@ static int __init tcb_clksrc_init(struct device_node *node) tmp = rate / divisor; pr_debug("TC: %u / %-3u [%d] --> %u\n", rate, divisor, i, tmp); - if (best_divisor_idx > 0) { - if (tmp < 5 * 1000 * 1000) - continue; - } + if ((best_divisor_idx >= 0) && (tmp < 5 * 1000 * 1000)) + break; divided_rate = tmp; best_divisor_idx = i; } -- 2.26.2