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path: root/drivers/watchdog/wdt.c
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Diffstat (limited to 'drivers/watchdog/wdt.c')
-rw-r--r--drivers/watchdog/wdt.c56
1 files changed, 26 insertions, 30 deletions
diff --git a/drivers/watchdog/wdt.c b/drivers/watchdog/wdt.c
index d2ef002be96b..ee4333c01109 100644
--- a/drivers/watchdog/wdt.c
+++ b/drivers/watchdog/wdt.c
@@ -32,6 +32,8 @@
* Matt Domsch : Added nowayout module option
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
@@ -46,7 +48,6 @@
#include <linux/io.h>
#include <linux/uaccess.h>
-#include <asm/system.h>
#include "wd501p.h"
static unsigned long wdt_is_open;
@@ -65,8 +66,8 @@ MODULE_PARM_DESC(heartbeat,
"Watchdog heartbeat in seconds. (0 < heartbeat < 65536, default="
__MODULE_STRING(WD_TIMO) ")");
-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) ")");
@@ -252,11 +253,11 @@ static int wdt_get_temperature(void)
static void wdt_decode_501(int status)
{
if (!(status & WDC_SR_TGOOD))
- printk(KERN_CRIT "Overheat alarm.(%d)\n", inb_p(WDT_RT));
+ pr_crit("Overheat alarm (%d)\n", inb_p(WDT_RT));
if (!(status & WDC_SR_PSUOVER))
- printk(KERN_CRIT "PSU over voltage.\n");
+ pr_crit("PSU over voltage\n");
if (!(status & WDC_SR_PSUUNDR))
- printk(KERN_CRIT "PSU under voltage.\n");
+ pr_crit("PSU under voltage\n");
}
/**
@@ -280,25 +281,25 @@ static irqreturn_t wdt_interrupt(int irq, void *dev_id)
spin_lock(&wdt_lock);
status = inb_p(WDT_SR);
- printk(KERN_CRIT "WDT status %d\n", status);
+ pr_crit("WDT status %d\n", status);
if (type == 501) {
wdt_decode_501(status);
if (tachometer) {
if (!(status & WDC_SR_FANGOOD))
- printk(KERN_CRIT "Possible fan fault.\n");
+ pr_crit("Possible fan fault\n");
}
}
if (!(status & WDC_SR_WCCR)) {
#ifdef SOFTWARE_REBOOT
#ifdef ONLY_TESTING
- printk(KERN_CRIT "Would Reboot.\n");
+ pr_crit("Would Reboot\n");
#else
- printk(KERN_CRIT "Initiating system reboot.\n");
+ pr_crit("Initiating system reboot\n");
emergency_restart();
#endif
#else
- printk(KERN_CRIT "Reset in 5ms.\n");
+ pr_crit("Reset in 5ms\n");
#endif
}
spin_unlock(&wdt_lock);
@@ -441,8 +442,7 @@ static int wdt_release(struct inode *inode, struct file *file)
wdt_stop();
clear_bit(0, &wdt_is_open);
} else {
- printk(KERN_CRIT
- "wdt: WDT device closed unexpectedly. WDT will not stop!\n");
+ pr_crit("WDT device closed unexpectedly. WDT will not stop!\n");
wdt_ping();
}
expect_close = 0;
@@ -593,7 +593,7 @@ static int __init wdt_init(void)
int ret;
if (type != 500 && type != 501) {
- printk(KERN_ERR "wdt: unknown card type '%d'.\n", type);
+ pr_err("unknown card type '%d'\n", type);
return -ENODEV;
}
@@ -601,53 +601,49 @@ static int __init wdt_init(void)
if not reset to the default */
if (wdt_set_heartbeat(heartbeat)) {
wdt_set_heartbeat(WD_TIMO);
- printk(KERN_INFO "wdt: heartbeat value must be "
- "0 < heartbeat < 65536, using %d\n", WD_TIMO);
+ pr_info("heartbeat value must be 0 < heartbeat < 65536, using %d\n",
+ WD_TIMO);
}
if (!request_region(io, 8, "wdt501p")) {
- printk(KERN_ERR
- "wdt: I/O address 0x%04x already in use\n", io);
+ pr_err("I/O address 0x%04x already in use\n", io);
ret = -EBUSY;
goto out;
}
ret = request_irq(irq, wdt_interrupt, 0, "wdt501p", NULL);
if (ret) {
- printk(KERN_ERR "wdt: IRQ %d is not free.\n", irq);
+ pr_err("IRQ %d is not free\n", irq);
goto outreg;
}
ret = register_reboot_notifier(&wdt_notifier);
if (ret) {
- printk(KERN_ERR
- "wdt: cannot register reboot notifier (err=%d)\n", ret);
+ pr_err("cannot register reboot notifier (err=%d)\n", ret);
goto outirq;
}
if (type == 501) {
ret = misc_register(&temp_miscdev);
if (ret) {
- printk(KERN_ERR "wdt: cannot register miscdev "
- "on minor=%d (err=%d)\n", TEMP_MINOR, ret);
+ pr_err("cannot register miscdev on minor=%d (err=%d)\n",
+ TEMP_MINOR, ret);
goto outrbt;
}
}
ret = misc_register(&wdt_miscdev);
if (ret) {
- printk(KERN_ERR
- "wdt: cannot register miscdev on minor=%d (err=%d)\n",
- WATCHDOG_MINOR, ret);
+ pr_err("cannot register miscdev on minor=%d (err=%d)\n",
+ WATCHDOG_MINOR, ret);
goto outmisc;
}
- printk(KERN_INFO "WDT500/501-P driver 0.10 "
- "at 0x%04x (Interrupt %d). heartbeat=%d sec (nowayout=%d)\n",
+ pr_info("WDT500/501-P driver 0.10 at 0x%04x (Interrupt %d). heartbeat=%d sec (nowayout=%d)\n",
io, irq, heartbeat, nowayout);
if (type == 501)
- printk(KERN_INFO "wdt: Fan Tachometer is %s\n",
- (tachometer ? "Enabled" : "Disabled"));
+ pr_info("Fan Tachometer is %s\n",
+ tachometer ? "Enabled" : "Disabled");
return 0;
outmisc: