From patchwork Mon Sep 27 09:51:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 12519497 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E6C17C433F5 for ; Mon, 27 Sep 2021 09:51:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D18FC60F70 for ; Mon, 27 Sep 2021 09:51:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233760AbhI0Jxc (ORCPT ); Mon, 27 Sep 2021 05:53:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:52396 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233685AbhI0Jxc (ORCPT ); Mon, 27 Sep 2021 05:53:32 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id EA975600EF; Mon, 27 Sep 2021 09:51:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1632736314; bh=euDAn8QrdLy6aBu3eAQGzTKso/i73eEHDM14y55fAE0=; h=From:To:Cc:Subject:Date:From; b=W8PXnhQrvX224HksE/K58bchshcna7UHoYaosUrKvh/wqqGxGTQpVOs6BMX9slA8d R28g9mygpMuq7SJAnuEPBjNNKvLdHbEYtAkLBz3sFA0mVtdVZHGQXZw2sXKeu5ltTN laJiEqUlvoFEYihvfvGmV9bYlwC9/8ctMlI4FQDs72aKJLEeXDgGS0bqMQ5S0ezK7B p9t3OCc2doBvkYHHpRiPzw+3dkwGXKDk4/+1AeZsU+UjHzXz5RRrOJS/dgQ8LGqEhs zC+PpzQMpAmDD6r8VOy5u3Nav2nXXkLtM4GNoeDP2LmMIe9lnEg1JG3rbanF1SRj8Z 4q8e9ToGYLbIQ== From: Arnd Bergmann To: Krzysztof Kozlowski , "Rafael J. Wysocki" , Viresh Kumar Cc: Arnd Bergmann , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] cpufreq: s3c244x: add fallthrough comments for switch Date: Mon, 27 Sep 2021 11:51:44 +0200 Message-Id: <20210927095150.944127-1-arnd@kernel.org> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org From: Arnd Bergmann Apparently nobody has so far caught this warning, I hit it in randconfig build testing: drivers/cpufreq/s3c2440-cpufreq.c: In function 's3c2440_cpufreq_setdivs': drivers/cpufreq/s3c2440-cpufreq.c:175:10: error: this statement may fall through [-Werror=implicit-fallthrough=] camdiv |= S3C2440_CAMDIVN_HCLK3_HALF; ^ drivers/cpufreq/s3c2440-cpufreq.c:176:2: note: here case 3: ^~~~ drivers/cpufreq/s3c2440-cpufreq.c:181:10: error: this statement may fall through [-Werror=implicit-fallthrough=] camdiv |= S3C2440_CAMDIVN_HCLK4_HALF; ^ drivers/cpufreq/s3c2440-cpufreq.c:182:2: note: here case 4: ^~~~ Both look like the fallthrough is intentional, so add the new "fallthrough;" keyword. Signed-off-by: Arnd Bergmann Acked-by: Krzysztof Kozlowski --- drivers/cpufreq/s3c2440-cpufreq.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/cpufreq/s3c2440-cpufreq.c b/drivers/cpufreq/s3c2440-cpufreq.c index 148e8aedefa9..2011fb9c03a4 100644 --- a/drivers/cpufreq/s3c2440-cpufreq.c +++ b/drivers/cpufreq/s3c2440-cpufreq.c @@ -173,12 +173,14 @@ static void s3c2440_cpufreq_setdivs(struct s3c_cpufreq_config *cfg) case 6: camdiv |= S3C2440_CAMDIVN_HCLK3_HALF; + fallthrough; case 3: clkdiv |= S3C2440_CLKDIVN_HDIVN_3_6; break; case 8: camdiv |= S3C2440_CAMDIVN_HCLK4_HALF; + fallthrough; case 4: clkdiv |= S3C2440_CLKDIVN_HDIVN_4_8; break;