linux-kernel - [PATCH V1 1/1] watchdog: f71808e

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Message-Id: <1553225816-24375-1-git-send-email-hpeter+linux_kernel@gmail.com>
Date:   Fri, 22 Mar 2019 11:36:56 +0800
From:   "Ji-Ze Hong (Peter Hong)" <hpeter@...il.com>
To:     wim@...ux-watchdog.orgw, linux@...ck-us.net
Cc:     linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org,
        "Ji-Ze Hong (Peter Hong)" <hpeter+linux_kernel@...il.com>
Subject: [PATCH V1 1/1] watchdog: f71808e_wdt: fix F81866 bit operation

Fix error bit operation in watchdog_start()

Signed-off-by: Ji-Ze Hong (Peter Hong) <hpeter+linux_kernel@...il.com>
---
 drivers/watchdog/f71808e_wdt.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/watchdog/f71808e_wdt.c b/drivers/watchdog/f71808e_wdt.c
index 9a1c761258ce..9129485732c7 100644
--- a/drivers/watchdog/f71808e_wdt.c
+++ b/drivers/watchdog/f71808e_wdt.c
@@ -387,18 +387,17 @@ static int watchdog_start(void)
 
 	case f81866:
 		/* Set pin 70 to WDTRST# */
-		superio_clear_bit(watchdog.sioaddr, SIO_F81866_REG_PORT_SEL,
-				  BIT(3) | BIT(0));
-		superio_set_bit(watchdog.sioaddr, SIO_F81866_REG_PORT_SEL,
-				BIT(2));
+		superio_clear_bit(watchdog.sioaddr, SIO_F81866_REG_PORT_SEL, 3);
+		superio_clear_bit(watchdog.sioaddr, SIO_F81866_REG_PORT_SEL, 0);
+		superio_set_bit(watchdog.sioaddr, SIO_F81866_REG_PORT_SEL, 2);
+
 		/*
 		 * GPIO1 Control Register when 27h BIT3:2 = 01 & BIT0 = 0.
 		 * The PIN 70(GPIO15/WDTRST) is controlled by 2Ch:
 		 *     BIT5: 0 -> WDTRST#
 		 *           1 -> GPIO15
 		 */
-		superio_clear_bit(watchdog.sioaddr, SIO_F81866_REG_GPIO1,
-				  BIT(5));
+		superio_clear_bit(watchdog.sioaddr, SIO_F81866_REG_GPIO1, 5);
 		break;
 
 	default:
-- 
2.7.4