linux-kernel - [PATCH] pinctrl: mt7622: mark expected switch fall-through

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Message-ID: <20180705154452.GA32564@embeddedor.com>
Date:   Thu, 5 Jul 2018 10:44:52 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Sean Wang <sean.wang@...iatek.com>,
        Linus Walleij <linus.walleij@...aro.org>
Cc:     linux-mediatek@...ts.infradead.org, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Subject: [PATCH] pinctrl: mt7622: mark expected switch fall-through

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Warning level 2 was used: -Wimplicit-fallthrough=2

Addresses-Coverity-ID: 1463284 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
 drivers/pinctrl/mediatek/pinctrl-mt7622.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pinctrl/mediatek/pinctrl-mt7622.c b/drivers/pinctrl/mediatek/pinctrl-mt7622.c
index 4c4740f..2411c384 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mt7622.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mt7622.c
@@ -1263,6 +1263,7 @@ static int mtk_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
 					       MTK_DISABLE);
 			if (err)
 				goto err;
+			/* else: fall through */
 		case PIN_CONFIG_INPUT_ENABLE:
 		case PIN_CONFIG_SLEW_RATE:
 			reg = (param == PIN_CONFIG_SLEW_RATE) ?
-- 
2.7.4