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 899B3C43603 for ; Wed, 11 Dec 2019 15:21:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 616F524654 for ; Wed, 11 Dec 2019 15:21:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576077704; bh=5d51ygvNrdY94fbcMcCKNXOd5JNbqHT4k5/Lie++wmQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=LMCh7j6kgAgP+8xyy4HLuEmDudZYtjxRdUJYelDPkaEcjjRcbyRu5vEuPVJ7hTx/z ukW3sOLOip2tlO9vQ17ZV5qNz8vnIn6eNis/9ByhaLs2YLSR76tdFwANiuqagtUPn7 pGNoGtVMkN7luoapBMjSDrKUan0KIdncQlso0DHw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732340AbfLKPVm (ORCPT ); Wed, 11 Dec 2019 10:21:42 -0500 Received: from mail.kernel.org ([198.145.29.99]:52014 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732482AbfLKPVi (ORCPT ); Wed, 11 Dec 2019 10:21:38 -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 6F0AE22527; Wed, 11 Dec 2019 15:21:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576077697; bh=5d51ygvNrdY94fbcMcCKNXOd5JNbqHT4k5/Lie++wmQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qpjOJg7ZgR+w2dy6zeJqoZA120FRUOhcAcJwUeH7dMZxFnFG0LDUpBAuAKVvT+kke +RG//ngZJG696zA7a5oCCCg/get2FugoK6SR8HVaPmPvj0l2vz8xkZ/LorTnD/Cnlz 9X53jLwvo7EWET6yOOfQnalrgaZHTaM/fjPg/eJk= 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 4.19 136/243] ASoC: au8540: use 64-bit arithmetic instead of 32-bit Date: Wed, 11 Dec 2019 16:04:58 +0100 Message-Id: <20191211150348.334788913@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20191211150339.185439726@linuxfoundation.org> References: <20191211150339.185439726@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 e3c8cd17daf2d..4dd1a609756be 100644 --- a/sound/soc/codecs/nau8540.c +++ b/sound/soc/codecs/nau8540.c @@ -585,7 +585,7 @@ 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