From patchwork Tue Feb 12 15:25:58 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Gustavo A. R. Silva" X-Patchwork-Id: 10808215 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 00D3613A4 for ; Tue, 12 Feb 2019 15:46:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E319C2BDA5 for ; Tue, 12 Feb 2019 15:46:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D6D782BDAA; Tue, 12 Feb 2019 15:46:45 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 684052BDA5 for ; Tue, 12 Feb 2019 15:46:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730697AbfBLPqo (ORCPT ); Tue, 12 Feb 2019 10:46:44 -0500 Received: from gateway36.websitewelcome.com ([192.185.184.18]:47661 "EHLO gateway36.websitewelcome.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726238AbfBLPqo (ORCPT ); Tue, 12 Feb 2019 10:46:44 -0500 X-Greylist: delayed 1241 seconds by postgrey-1.27 at vger.kernel.org; Tue, 12 Feb 2019 10:46:44 EST Received: from cm11.websitewelcome.com (cm11.websitewelcome.com [100.42.49.5]) by gateway36.websitewelcome.com (Postfix) with ESMTP id 78361400E1633 for ; Tue, 12 Feb 2019 08:40:09 -0600 (CST) Received: from gator4166.hostgator.com ([108.167.133.22]) by cmsmtp with SMTP id tZwegWtebdnCetZwfgW4pW; Tue, 12 Feb 2019 09:26:01 -0600 X-Authority-Reason: nr=8 Received: from [189.250.119.20] (port=47564 helo=embeddedor) by gator4166.hostgator.com with esmtpa (Exim 4.91) (envelope-from ) id 1gtZwd-000Tii-Mq; Tue, 12 Feb 2019 09:25:59 -0600 Date: Tue, 12 Feb 2019 09:25:58 -0600 From: "Gustavo A. R. Silva" To: Adrian Hunter , Hu Ziji , Ulf Hansson Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" , Kees Cook Subject: [PATCH] mmc: sdhci-xenon: Mark expected switch fall-through Message-ID: <20190212152558.GA21933@embeddedor> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.9.4 (2018-02-28) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator4166.hostgator.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - embeddedor.com X-BWhitelist: no X-Source-IP: 189.250.119.20 X-Source-L: No X-Exim-ID: 1gtZwd-000Tii-Mq X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: (embeddedor) [189.250.119.20]:47564 X-Source-Auth: gustavo@embeddedor.com X-Email-Count: 4 X-Source-Cap: Z3V6aWRpbmU7Z3V6aWRpbmU7Z2F0b3I0MTY2Lmhvc3RnYXRvci5jb20= X-Local-Domain: yes Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. This patch fixes the following warning: drivers/mmc/host/sdhci-xenon-phy.c: In function ‘xenon_emmc_phy_slow_mode’: drivers/mmc/host/sdhci-xenon-phy.c:527:47: warning: this statement may fall through [-Wimplicit-fallthrough=] if ((priv->init_card_type == MMC_TYPE_SDIO) || ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~ params->slow_mode) { ~~~~~~~~~~~~~~~~~ drivers/mmc/host/sdhci-xenon-phy.c:534:2: note: here default: ^~~~~~~ Warning level 3 was used: -Wimplicit-fallthrough=3 Notice that, in this particular case, the code comment is modified in accordance with what GCC is expecting to find. This patch is part of the ongoing efforts to enable -Wimplicit-fallthrough. Signed-off-by: Gustavo A. R. Silva --- drivers/mmc/host/sdhci-xenon-phy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mmc/host/sdhci-xenon-phy.c b/drivers/mmc/host/sdhci-xenon-phy.c index 5b5eb53a63d2..8d07ee1b8f08 100644 --- a/drivers/mmc/host/sdhci-xenon-phy.c +++ b/drivers/mmc/host/sdhci-xenon-phy.c @@ -530,7 +530,7 @@ static bool xenon_emmc_phy_slow_mode(struct sdhci_host *host, ret = true; break; } - /* else: fall through */ + /* fall through */ default: reg &= ~XENON_TIMING_ADJUST_SLOW_MODE; ret = false;