linux-kernel - [PATCH] hwmon: (adt7462) Mark expected switch fall-throughs

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Message-ID: <20190110162429.GA15908@embeddedor>
Date:   Thu, 10 Jan 2019 10:24:29 -0600
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>
Cc:     linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Subject: [PATCH] hwmon: (adt7462) Mark expected switch fall-throughs

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

Warning level 3 was used: -Wimplicit-fallthrough=3

Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
 drivers/hwmon/adt7462.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/hwmon/adt7462.c b/drivers/hwmon/adt7462.c
index b0211f731251..030f5d49c061 100644
--- a/drivers/hwmon/adt7462.c
+++ b/drivers/hwmon/adt7462.c
@@ -448,6 +448,7 @@ static const char *voltage_label(struct adt7462_data *data, int which)
 		case 3:
 			return "+1.5V";
 		}
+		/* fall through */
 	case 2:
 		if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT))
 			return "+12V3";
@@ -505,6 +506,7 @@ static const char *voltage_label(struct adt7462_data *data, int which)
 		case 3:
 			return "+1.5";
 		}
+		/* fall through */
 	case 11:
 		if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT ==
 					ADT7462_PIN28_VOLT &&
@@ -542,6 +544,7 @@ static int voltage_multiplier(struct adt7462_data *data, int which)
 		case 3:
 			return 7800;
 		}
+		/* fall through */
 	case 2:
 		if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT))
 			return 62500;
@@ -599,6 +602,7 @@ static int voltage_multiplier(struct adt7462_data *data, int which)
 		case 3:
 			return 7800;
 		}
+		/* fall through */
 	case 11:
 	case 12:
 		if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT ==
-- 
2.20.1