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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,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 77A5FC43603 for ; Mon, 16 Dec 2019 17:53:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 50D2821582 for ; Mon, 16 Dec 2019 17:53:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576518829; bh=VwLAfRDoSzLbC0UpfvNv0VhAoPx0p0yCXc6MwO0YWpY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=peEjH73rnnqDoeNiZfsJaJ2AzqEL5HTDNnUBVQ/J+IJUF+vr3a51SIywhV6JmpJvX JlYFZOCXi9FjXMDBHkyjZJvbN5+6TUJ3HukiCOsC2LTmXk14CWPTrvyxbqZ+pq1704 SSAWRjNbn0gzvOi01NMJxfjbDZ9ylNwXvNLPeLrg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727817AbfLPRxs (ORCPT ); Mon, 16 Dec 2019 12:53:48 -0500 Received: from mail.kernel.org ([198.145.29.99]:48396 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727804AbfLPRxq (ORCPT ); Mon, 16 Dec 2019 12:53:46 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (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 28F03206D3; Mon, 16 Dec 2019 17:53:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576518825; bh=VwLAfRDoSzLbC0UpfvNv0VhAoPx0p0yCXc6MwO0YWpY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rhEmKLTiEWtl63kqkWAA6GysLYXzWsYS5pJjGivHpA76C2T+Di6DSQH1Kiku8fZuy Flu5NXa75GTaQa118PamAOosS1Zyi8ogmftp1KXW3+ORECd+cIWxJSsTmMJCbcdACr lH2m10s7LltxT4ApUO5XA8okup3xmb0lz24QkkUo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Young_X , Mark Brown , Sasha Levin Subject: [PATCH 4.14 082/267] ASoC: au8540: use 64-bit arithmetic instead of 32-bit Date: Mon, 16 Dec 2019 18:46:48 +0100 Message-Id: <20191216174857.443138049@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20191216174848.701533383@linuxfoundation.org> References: <20191216174848.701533383@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Young_X [ Upstream commit cd7fdc45bc69a62b4e22c6e875f1f1aea566256d ] Add suffix ULL to constant 256 in order to give the compiler complete information about the proper arithmetic to use. Notice that such constant is used in a context that expects an expression of type u64 (64 bits, unsigned) and the following expression is currently being evaluated using 32-bit arithmetic: 256 * fs * 2 * mclk_src_scaling[i].param Signed-off-by: Young_X Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/codecs/nau8540.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/codecs/nau8540.c b/sound/soc/codecs/nau8540.c index f9c9933acffb6..c0c64f90a61b7 100644 --- a/sound/soc/codecs/nau8540.c +++ b/sound/soc/codecs/nau8540.c @@ -548,7 +548,7 @@ static int nau8540_calc_fll_param(unsigned int fll_in, fvco_max = 0; fvco_sel = ARRAY_SIZE(mclk_src_scaling); for (i = 0; i < ARRAY_SIZE(mclk_src_scaling); i++) { - fvco = 256 * fs * 2 * mclk_src_scaling[i].param; + fvco = 256ULL * fs * 2 * mclk_src_scaling[i].param; if (fvco > NAU_FVCO_MIN && fvco < NAU_FVCO_MAX && fvco_max < fvco) { fvco_max = fvco; -- 2.20.1