linux-kernel - [PATCH 11/18] serial: sc16is7xx: add explicit return for some switch default cases

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Message-Id: <20231219171903.3530985-12-hugo@hugovil.com>
Date: Tue, 19 Dec 2023 12:18:55 -0500
From: Hugo Villeneuve <hugo@...ovil.com>
To: gregkh@...uxfoundation.org,
	jirislaby@...nel.org,
	jringle@...dpoint.com,
	kubakici@...pl,
	phil@...pberrypi.org,
	bo.svangard@...eddedart.se
Cc: linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org,
	hugo@...ovil.com,
	Hugo Villeneuve <hvilleneuve@...onoff.com>,
	Andy Shevchenko <andy.shevchenko@...il.com>
Subject: [PATCH 11/18] serial: sc16is7xx: add explicit return for some switch default cases

From: Hugo Villeneuve <hvilleneuve@...onoff.com>

Allows to simplify code by removing the break statement in the default
switch/case in some functions.

Suggested-by: Andy Shevchenko <andy.shevchenko@...il.com>
Signed-off-by: Hugo Villeneuve <hvilleneuve@...onoff.com>
---
 drivers/tty/serial/sc16is7xx.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c
index 7d5eec2d0e94..feb50d9271ac 100644
--- a/drivers/tty/serial/sc16is7xx.c
+++ b/drivers/tty/serial/sc16is7xx.c
@@ -460,10 +460,8 @@ static bool sc16is7xx_regmap_volatile(struct device *dev, unsigned int reg)
 	case SC16IS7XX_IOCONTROL_REG:
 		return true;
 	default:
-		break;
+		return false;
 	}
-
-	return false;
 }
 
 static bool sc16is7xx_regmap_precious(struct device *dev, unsigned int reg)
@@ -472,10 +470,8 @@ static bool sc16is7xx_regmap_precious(struct device *dev, unsigned int reg)
 	case SC16IS7XX_RHR_REG:
 		return true;
 	default:
-		break;
+		return false;
 	}
-
-	return false;
 }
 
 static bool sc16is7xx_regmap_noinc(struct device *dev, unsigned int reg)
-- 
2.39.2