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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A0677C433F5 for ; Thu, 2 Dec 2021 23:15:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1356854AbhLBXSm (ORCPT ); Thu, 2 Dec 2021 18:18:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43532 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244721AbhLBXSl (ORCPT ); Thu, 2 Dec 2021 18:18:41 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 97425C06174A; Thu, 2 Dec 2021 15:15:18 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 602A4B82526; Thu, 2 Dec 2021 23:15:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F410CC00446; Thu, 2 Dec 2021 23:15:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1638486916; bh=GQ8t5bpF4TlGlqrWcvkPnUaG9pj98dzkZ49NTmV5V/Y=; h=In-Reply-To:References:Subject:From:Cc:To:Date:From; b=aMQprVnru08ro41CKEiAqMtm+pRUByoLOGbH0Nefik1QSqLaiyryxU0KBm/3k34xD Xth0yN9YdAVh2vSwdWqEtlsBgeMFgec92Mf6ObdQ6jmL7XS/Egmw8QsfZBo//yAIrB B3W5PoB9gPAKGSuG49Y1xXjwodVWW6bpFvRwZ/0C9dj1ToaMUBdGgwBrG2EYzZPmYk TK40Sk6Yu6Zovi823r/M65iApkKVN6hlBRS4IeAHsNtK0UqnhGQgM8kwsqmmi5F+sJ 44K/s5+TIyQKRqIJ2IDewA/htRJu9pTwkvKZHBvBXtF0rXejM0CX1vBPjsLvMI2f5M BiSVFXxZC54XQ== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable In-Reply-To: <20211118082858.165538-1-deng.changcheng@zte.com.cn> References: <20211117011244.158541-1-deng.changcheng@zte.com.cn> <20211118082858.165538-1-deng.changcheng@zte.com.cn> Subject: Re: [PATCH v2] clk: Use div64_ul instead of do_div From: Stephen Boyd Cc: benjaminfair@google.com, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, mturquette@baylibre.com, openbmc@lists.ozlabs.org, tali.perry1@gmail.com, tmaimon77@gmail.com, venture@google.com, yuenn@google.com, zealci@zte.com.cn, cgel.zte@gmail.com, deng.changcheng@zte.com.cn To: avifishman70@gmail.com, cgel.zte@gmail.com Date: Thu, 02 Dec 2021 15:15:14 -0800 User-Agent: alot/0.9.1 Message-Id: <20211202231515.F410CC00446@smtp.kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Please fix the subject. It should be "clk: npcm7xx: Use ..." Quoting cgel.zte@gmail.com (2021-11-18 00:28:58) > From: Changcheng Deng >=20 > do_div() does a 64-by-32 division. Here the divisor is an unsigned long > which on some platforms is 64 bit wide. So use div64_ul instead of do_div > to avoid a possible truncation. >=20 > Reported-by: Zeal Robot > Signed-off-by: Changcheng Deng