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path: root/drivers/watchdog/machzwd.c
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Diffstat (limited to 'drivers/watchdog/machzwd.c')
-rw-r--r--drivers/watchdog/machzwd.c38
1 files changed, 17 insertions, 21 deletions
diff --git a/drivers/watchdog/machzwd.c b/drivers/watchdog/machzwd.c
index 1332b838cc5..bf84f788e59 100644
--- a/drivers/watchdog/machzwd.c
+++ b/drivers/watchdog/machzwd.c
@@ -28,6 +28,8 @@
* Added nowayout module option to override CONFIG_WATCHDOG_NOWAYOUT
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/types.h>
@@ -43,7 +45,6 @@
#include <linux/io.h>
#include <linux/uaccess.h>
-#include <asm/system.h>
/* ports */
#define ZF_IOBASE 0x218
@@ -93,8 +94,8 @@ MODULE_DESCRIPTION("MachZ ZF-Logic Watchdog driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-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) ")");
@@ -141,10 +142,10 @@ static unsigned long next_heartbeat;
#define ZF_CTIMEOUT 0xffff
#ifndef ZF_DEBUG
-# define dprintk(format, args...)
+#define dprintk(format, args...)
#else
-# define dprintk(format, args...) printk(KERN_DEBUG PFX \
- ":%s:%d: " format, __func__, __LINE__ , ## args)
+#define dprintk(format, args...) \
+ pr_debug(":%s:%d: " format, __func__, __LINE__ , ## args)
#endif
@@ -203,7 +204,7 @@ static void zf_timer_off(void)
zf_set_control(ctrl_reg);
spin_unlock_irqrestore(&zf_port_lock, flags);
- printk(KERN_INFO PFX ": Watchdog timer is now disabled\n");
+ pr_info("Watchdog timer is now disabled\n");
}
@@ -233,7 +234,7 @@ static void zf_timer_on(void)
zf_set_control(ctrl_reg);
spin_unlock_irqrestore(&zf_port_lock, flags);
- printk(KERN_INFO PFX ": Watchdog timer is now enabled\n");
+ pr_info("Watchdog timer is now enabled\n");
}
@@ -263,7 +264,7 @@ static void zf_ping(unsigned long data)
mod_timer(&zf_timer, jiffies + ZF_HW_TIMEO);
} else
- printk(KERN_CRIT PFX ": I will reset your machine\n");
+ pr_crit("I will reset your machine\n");
}
static ssize_t zf_write(struct file *file, const char __user *buf, size_t count,
@@ -342,8 +343,7 @@ static int zf_close(struct inode *inode, struct file *file)
zf_timer_off();
else {
del_timer(&zf_timer);
- printk(KERN_ERR PFX ": device file closed unexpectedly. "
- "Will not stop the WDT!\n");
+ pr_err("device file closed unexpectedly. Will not stop the WDT!\n");
}
clear_bit(0, &zf_is_open);
zf_expect_close = 0;
@@ -390,19 +390,18 @@ static void __init zf_show_action(int act)
{
static const char * const str[] = { "RESET", "SMI", "NMI", "SCI" };
- printk(KERN_INFO PFX ": Watchdog using action = %s\n", str[act]);
+ pr_info("Watchdog using action = %s\n", str[act]);
}
static int __init zf_init(void)
{
int ret;
- printk(KERN_INFO PFX
- ": MachZ ZF-Logic Watchdog driver initializing.\n");
+ pr_info("MachZ ZF-Logic Watchdog driver initializing\n");
ret = zf_get_ZFL_version();
if (!ret || ret == 0xffff) {
- printk(KERN_WARNING PFX ": no ZF-Logic found\n");
+ pr_warn("no ZF-Logic found\n");
return -ENODEV;
}
@@ -414,23 +413,20 @@ static int __init zf_init(void)
zf_show_action(action);
if (!request_region(ZF_IOBASE, 3, "MachZ ZFL WDT")) {
- printk(KERN_ERR "cannot reserve I/O ports at %d\n",
- ZF_IOBASE);
+ pr_err("cannot reserve I/O ports at %d\n", ZF_IOBASE);
ret = -EBUSY;
goto no_region;
}
ret = register_reboot_notifier(&zf_notifier);
if (ret) {
- printk(KERN_ERR "can't register reboot notifier (err=%d)\n",
- ret);
+ pr_err("can't register reboot notifier (err=%d)\n", ret);
goto no_reboot;
}
ret = misc_register(&zf_miscdev);
if (ret) {
- printk(KERN_ERR "can't misc_register on minor=%d\n",
- WATCHDOG_MINOR);
+ pr_err("can't misc_register on minor=%d\n", WATCHDOG_MINOR);
goto no_misc;
}