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=-5.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 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 A09A2C10DCE for ; Tue, 10 Mar 2020 05:53:37 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 6E4962071B for ; Tue, 10 Mar 2020 05:53:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="lP0XmwXd"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="0jKuK38Z" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6E4962071B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-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=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=+6e16EhUGTsrGWZIOceMxx/SLc/Wf5zBpngJkproypQ=; b=lP0XmwXd56XApR dHLFeJwvcIv9KdqfP2lR2phSghd/nFkMT/vDLPxgtCca0t9wMGKyKq6mT5uelelfwE37GB95MpKIO /1lal7RBj+qf682EOaV4yyY1zDtYpzo4G5Pgh2LEopyFLE/Q4Krj7E0HBDQSOsVIY42ohrthnTN+f xpqznJY55Kk136dsBXQvgE2+W771zkxVvTuZsfB4nN/hLrxHPm/skmnnlSkAhvEJfHnBTrLMGSqxz PbxhhMTFcMxoUn0R3wqxo+gcb/PQDnHG8prv9XIj/VWzRp10o3bKeB74MEC7FkUqf2Aoj82auUaJm 9fi0/0Pf+YRBJwGq6EiA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jBXpg-0002ga-A9; Tue, 10 Mar 2020 05:53:36 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jBXpd-0002g5-NJ for linux-arm-kernel@lists.infradead.org; Tue, 10 Mar 2020 05:53:34 +0000 Received: from dragon (80.251.214.228.16clouds.com [80.251.214.228]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6BDA42071B; Tue, 10 Mar 2020 05:53:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583819613; bh=JJxGvJHWNSGB7lyLfFPO7G8uwwA6FJNOdDTip0Btc5U=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=0jKuK38ZlOi8uX0RBbOuec5pcMzbYImr8Vs+ILU5HuY5gxfPcCR0DD0yGFnMfD05r aRCTooV+leJHTbPZo3r0VlhB6tNnX8BajoS/Fbr6mendvdP/AMr9MbB0TZFkXY5+g0 e4cbDtThRMdLx2d4+aYyekaBmYJKTsjsBo7xexa8= Date: Tue, 10 Mar 2020 13:53:25 +0800 From: Shawn Guo To: peng.fan@nxp.com Subject: Re: [PATCH v2 03/14] clk: imx: Fix division by zero warning on pfdv2 Message-ID: <20200310055324.GF15729@dragon> References: <1582099197-20327-1-git-send-email-peng.fan@nxp.com> <1582099197-20327-4-git-send-email-peng.fan@nxp.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1582099197-20327-4-git-send-email-peng.fan@nxp.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200309_225333_782150_F17D4A64 X-CRM114-Status: UNSURE ( 8.09 ) X-CRM114-Notice: Please train this message. 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: abel.vesa@nxp.com, Anson.Huang@nxp.com, sboyd@kernel.org, viresh.kumar@linaro.org, s.hauer@pengutronix.de, rjw@rjwysocki.net, linux-kernel@vger.kernel.org, robh+dt@kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, festevam@gmail.com, 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+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Feb 19, 2020 at 03:59:46PM +0800, peng.fan@nxp.com wrote: > From: Anson Huang > > Fix below division by zero warning: > > [ 3.176443] Division by zero in kernel. > [ 3.181809] CPU: 0 PID: 88 Comm: kworker/0:2 Not tainted 5.3.0-rc2-next-20190730-63758-ge08da51-dirty #124 > [ 3.191817] Hardware name: Freescale i.MX7ULP (Device Tree) > [ 3.197821] Workqueue: events dbs_work_handler > [ 3.202849] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) > [ 3.211058] [] (show_stack) from [] (dump_stack+0xd8/0x110) > [ 3.218820] [] (dump_stack) from [] (Ldiv0_64+0x8/0x18) > [ 3.226263] [] (Ldiv0_64) from [] (clk_pfdv2_set_rate+0x54/0xac) > [ 3.234487] [] (clk_pfdv2_set_rate) from [] (clk_change_rate+0x1a4/0x698) > [ 3.243468] [] (clk_change_rate) from [] (clk_change_rate+0x280/0x698) > [ 3.252180] [] (clk_change_rate) from [] (clk_core_set_rate_nolock+0x1a0/0x278) > [ 3.261679] [] (clk_core_set_rate_nolock) from [] (clk_set_rate+0x30/0x64) > [ 3.270743] [] (clk_set_rate) from [] (imx7ulp_set_target+0x184/0x2a4) > [ 3.279501] [] (imx7ulp_set_target) from [] (__cpufreq_driver_target+0x188/0x514) > [ 3.289196] [] (__cpufreq_driver_target) from [] (od_dbs_update+0x130/0x15c) > [ 3.298438] [] (od_dbs_update) from [] (dbs_work_handler+0x2c/0x5c) > [ 3.306914] [] (dbs_work_handler) from [] (process_one_work+0x2ac/0x704) > [ 3.315826] [] (process_one_work) from [] (worker_thread+0x2c/0x574) > [ 3.324404] [] (worker_thread) from [] (kthread+0x134/0x148) > [ 3.332278] [] (kthread) from [] (ret_from_fork+0x14/0x20) > [ 3.339858] Exception stack(0xe82d5fb0 to 0xe82d5ff8) > [ 3.345314] 5fa0: 00000000 00000000 00000000 00000000 > [ 3.353926] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > [ 3.362519] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 > > Signed-off-by: Anson Huang > Signed-off-by: Peng Fan Applied, thanks. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel