diff options
Diffstat (limited to 'drivers/watchdog/gef_wdt.c')
| -rw-r--r-- | drivers/watchdog/gef_wdt.c | 56 |
1 files changed, 30 insertions, 26 deletions
diff --git a/drivers/watchdog/gef_wdt.c b/drivers/watchdog/gef_wdt.c index 734d9806a87..25beb30878d 100644 --- a/drivers/watchdog/gef_wdt.c +++ b/drivers/watchdog/gef_wdt.c @@ -1,9 +1,9 @@ /* - * GE Fanuc watchdog userspace interface + * GE watchdog userspace interface * - * Author: Martyn Welch <martyn.welch@gefanuc.com> + * Author: Martyn Welch <martyn.welch@ge.com> * - * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc. + * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc. * * 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 @@ -24,13 +24,17 @@ * capabilities) a kernel-based watchdog. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/kernel.h> #include <linux/compiler.h> #include <linux/init.h> #include <linux/module.h> #include <linux/miscdevice.h> #include <linux/watchdog.h> +#include <linux/fs.h> #include <linux/of.h> +#include <linux/of_address.h> #include <linux/of_platform.h> #include <linux/io.h> #include <linux/uaccess.h> @@ -67,8 +71,8 @@ static unsigned int bus_clk; static char expect_close; static DEFINE_SPINLOCK(gef_wdt_spinlock); -static int nowayout = WATCHDOG_NOWAYOUT; -module_param(nowayout, int, 0); +static bool nowayout = WATCHDOG_NOWAYOUT; +module_param(nowayout, bool, 0); MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); @@ -109,7 +113,7 @@ static void gef_wdt_handler_enable(void) if (gef_wdt_toggle_wdc(GEF_WDC_ENABLED_FALSE, GEF_WDC_ENABLE_SHIFT)) { gef_wdt_service(); - printk(KERN_NOTICE "gef_wdt: watchdog activated\n"); + pr_notice("watchdog activated\n"); } } @@ -117,7 +121,7 @@ static void gef_wdt_handler_disable(void) { if (gef_wdt_toggle_wdc(GEF_WDC_ENABLED_TRUE, GEF_WDC_ENABLE_SHIFT)) - printk(KERN_NOTICE "gef_wdt: watchdog deactivated\n"); + pr_notice("watchdog deactivated\n"); } static void gef_wdt_set_timeout(unsigned int timeout) @@ -161,11 +165,11 @@ static long gef_wdt_ioctl(struct file *file, unsigned int cmd, int timeout; int options; void __user *argp = (void __user *)arg; - static struct watchdog_info info = { + static const struct watchdog_info info = { .options = WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING, .firmware_version = 0, - .identity = "GE Fanuc watchdog", + .identity = "GE watchdog", }; switch (cmd) { @@ -233,8 +237,7 @@ static int gef_wdt_release(struct inode *inode, struct file *file) if (expect_close == 42) gef_wdt_handler_disable(); else { - printk(KERN_CRIT - "gef_wdt: unexpected close, not stopping timer!\n"); + pr_crit("unexpected close, not stopping timer!\n"); gef_wdt_service(); } expect_close = 0; @@ -260,8 +263,7 @@ static struct miscdevice gef_wdt_miscdev = { }; -static int __devinit gef_wdt_probe(struct of_device *dev, - const struct of_device_id *match) +static int gef_wdt_probe(struct platform_device *dev) { int timeout = 10; u32 freq; @@ -273,7 +275,7 @@ static int __devinit gef_wdt_probe(struct of_device *dev, bus_clk = freq; /* Map devices registers into memory */ - gef_wdt_regs = of_iomap(dev->node, 0); + gef_wdt_regs = of_iomap(dev->dev.of_node, 0); if (gef_wdt_regs == NULL) return -ENOMEM; @@ -284,7 +286,7 @@ static int __devinit gef_wdt_probe(struct of_device *dev, return misc_register(&gef_wdt_miscdev); } -static int __devexit gef_wdt_remove(struct platform_device *dev) +static int gef_wdt_remove(struct platform_device *dev) { misc_deregister(&gef_wdt_miscdev); @@ -302,29 +304,31 @@ static const struct of_device_id gef_wdt_ids[] = { {}, }; -static struct of_platform_driver gef_wdt_driver = { - .owner = THIS_MODULE, - .name = "gef_wdt", - .match_table = gef_wdt_ids, +static struct platform_driver gef_wdt_driver = { + .driver = { + .name = "gef_wdt", + .owner = THIS_MODULE, + .of_match_table = gef_wdt_ids, + }, .probe = gef_wdt_probe, + .remove = gef_wdt_remove, }; static int __init gef_wdt_init(void) { - printk(KERN_INFO "GE Fanuc watchdog driver\n"); - return of_register_platform_driver(&gef_wdt_driver); + pr_info("GE watchdog driver\n"); + return platform_driver_register(&gef_wdt_driver); } static void __exit gef_wdt_exit(void) { - of_unregister_platform_driver(&gef_wdt_driver); + platform_driver_unregister(&gef_wdt_driver); } module_init(gef_wdt_init); module_exit(gef_wdt_exit); -MODULE_AUTHOR("Martyn Welch <martyn.welch@gefanuc.com>"); -MODULE_DESCRIPTION("GE Fanuc watchdog driver"); +MODULE_AUTHOR("Martyn Welch <martyn.welch@ge.com>"); +MODULE_DESCRIPTION("GE watchdog driver"); MODULE_LICENSE("GPL"); -MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); -MODULE_ALIAS("platform: gef_wdt"); +MODULE_ALIAS("platform:gef_wdt"); |