diff options
Diffstat (limited to 'drivers/watchdog/f71808e_wdt.c')
| -rw-r--r-- | drivers/watchdog/f71808e_wdt.c | 35 |
1 files changed, 12 insertions, 23 deletions
diff --git a/drivers/watchdog/f71808e_wdt.c b/drivers/watchdog/f71808e_wdt.c index 9a1c761258ce..ff5cf1b48a4d 100644 --- a/drivers/watchdog/f71808e_wdt.c +++ b/drivers/watchdog/f71808e_wdt.c @@ -1,22 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /*************************************************************************** * Copyright (C) 2006 by Hans Edgington <hans@edgington.nl> * * Copyright (C) 2007-2009 Hans de Goede <hdegoede@redhat.com> * * Copyright (C) 2010 Giel van Schijndel <me@mortis.eu> * * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * - * GNU General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * ***************************************************************************/ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -338,8 +325,11 @@ static int f71862fg_pin_configure(unsigned short ioaddr) static int watchdog_start(void) { + int err; + u8 tmp; + /* Make sure we don't die as soon as the watchdog is enabled below */ - int err = watchdog_keepalive(); + err = watchdog_keepalive(); if (err) return err; @@ -386,19 +376,18 @@ static int watchdog_start(void) break; 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)); /* * 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)); + tmp = superio_inb(watchdog.sioaddr, SIO_F81866_REG_PORT_SEL); + tmp &= ~(BIT(3) | BIT(0)); + tmp |= BIT(2); + superio_outb(watchdog.sioaddr, SIO_F81866_REG_PORT_SEL, tmp); + + superio_clear_bit(watchdog.sioaddr, SIO_F81866_REG_GPIO1, 5); break; default: @@ -525,7 +514,7 @@ static int watchdog_open(struct inode *inode, struct file *file) __module_get(THIS_MODULE); watchdog.expect_close = 0; - return nonseekable_open(inode, file); + return stream_open(inode, file); } static int watchdog_release(struct inode *inode, struct file *file) |