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 phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0A13DEB64DC for ; Mon, 17 Jul 2023 15:22:09 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 72D6686673; Mon, 17 Jul 2023 17:22:07 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=denx.de Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1689607327; bh=lvNTFrmV5sgOntLlhj9WKRT9SeY+tK+mBq29gHrjzgo=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=f4LAG/h14hpJOrkbC3zeM4SDa6A2EG080kuM7KHmUGOgB3wJesTv9v5/qSG6mqf4G K8mNOWQs72RZAQjEFTsUx2ogtESv3J2l2Xgpm9ey1UnuonGBAc5uB7/AgQybYrjNX8 JGgutXUZf7Th+sZc+FneFVUEaa4IIznlmjyMPpDFRwoRo22sE3/vDC/FwNxNcb5nQO 1o2fU9GrB0Jx0X4VqgsuiKNV1S4Jea12EYbx0e1AZX5UAkjYapheFw6OkzdzDkpo4B 02V07AAqk5m5knbs59UJMTKupozMPJEdwEw1QmYmyUc9qXwOhRG+T9/uLxuW2yNwH4 0SdUfujiDb9Cw== Received: from crub (pd95f1621.dip0.t-ipconnect.de [217.95.22.33]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: agust@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 4650A865D0; Mon, 17 Jul 2023 17:22:06 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1689607326; bh=lvNTFrmV5sgOntLlhj9WKRT9SeY+tK+mBq29gHrjzgo=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=QguluZiwBN41y2kCOaefN/Nm5GIlrT5HuCO5lJ1kODhmSlh9pvHd5WH43wZ5DpBIm Gp6AH9qBTlNaWVIQ2jBPGb0KHm9+fmDtU5+DJAJllZzNruzfqagbMI88oZn2xODVF1 QbyYo1qmJkRShV3bd+yNVJF0NDGQA7koENSB0qSXnEjvVMLv6oRgMKcRA8eTu/rXAg rfF9RvpvVAvAztbELhrr7g2N5XdJgPkLIdGQ5mBYx+lrxeLwyCSHlXaEKG6pc5N8Q6 ZlyXwYijJ4W7/oSP44rJNRl86ivzww6LsVEPjtOyn2V2HbsDAXArc6mkusFZ1CQFjj UUdaDBwgj+SfA== Date: Mon, 17 Jul 2023 17:22:05 +0200 From: Anatolij Gustschin To: Matthias Schiffer Cc: u-boot@lists.denx.de, u-boot@ew.tq-group.com Subject: Re: [PATCH] video: backlight: pwm: avoid integer overflow in duty cycle calculation Message-ID: <20230717172205.3df82706@crub> In-Reply-To: <20230630123007.1725726-1-matthias.schiffer@ew.tq-group.com> References: <20230630123007.1725726-1-matthias.schiffer@ew.tq-group.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean On Fri, 30 Jun 2023 14:30:07 +0200 Matthias Schiffer matthias.schiffer@ew.tq-group.com wrote: > The intermediate value could overflow for large periods and levels. > > Signed-off-by: Matthias Schiffer > --- applied to u-boot-video/master, thanks! -- Anatolij