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path: root/drivers/watchdog/eurotechwdt.c
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Diffstat (limited to 'drivers/watchdog/eurotechwdt.c')
-rw-r--r--drivers/watchdog/eurotechwdt.c33
1 files changed, 15 insertions, 18 deletions
diff --git a/drivers/watchdog/eurotechwdt.c b/drivers/watchdog/eurotechwdt.c
index 3946c51099c..cd31b8a2a72 100644
--- a/drivers/watchdog/eurotechwdt.c
+++ b/drivers/watchdog/eurotechwdt.c
@@ -45,6 +45,8 @@
* of the on-board SUPER I/O device SMSC FDC 37B782.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
@@ -59,7 +61,6 @@
#include <linux/io.h>
#include <linux/uaccess.h>
-#include <asm/system.h>
static unsigned long eurwdt_is_open;
static int eurwdt_timeout;
@@ -76,8 +77,8 @@ static char *ev = "int";
#define WDT_TIMEOUT 60 /* 1 minute */
-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) ")");
@@ -144,11 +145,11 @@ static void eurwdt_activate_timer(void)
/* Setting interrupt line */
if (irq == 2 || irq > 15 || irq < 0) {
- printk(KERN_ERR ": invalid irq number\n");
+ pr_err("invalid irq number\n");
irq = 0; /* if invalid we disable interrupt */
}
if (irq == 0)
- printk(KERN_INFO ": interrupt disabled\n");
+ pr_info("interrupt disabled\n");
eurwdt_write_reg(WDT_TIMER_CFG, irq << 4);
@@ -163,12 +164,12 @@ static void eurwdt_activate_timer(void)
static irqreturn_t eurwdt_interrupt(int irq, void *dev_id)
{
- printk(KERN_CRIT "timeout WDT timeout\n");
+ pr_crit("timeout WDT timeout\n");
#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
return IRQ_HANDLED;
@@ -335,8 +336,7 @@ static int eurwdt_release(struct inode *inode, struct file *file)
if (eur_expect_close == 42)
eurwdt_disable_timer();
else {
- printk(KERN_CRIT
- "eurwdt: Unexpected close, not stopping watchdog!\n");
+ pr_crit("Unexpected close, not stopping watchdog!\n");
eurwdt_ping();
}
clear_bit(0, &eurwdt_is_open);
@@ -429,35 +429,32 @@ static int __init eurwdt_init(void)
ret = request_irq(irq, eurwdt_interrupt, 0, "eurwdt", NULL);
if (ret) {
- printk(KERN_ERR "eurwdt: IRQ %d is not free.\n", irq);
+ pr_err("IRQ %d is not free\n", irq);
goto out;
}
if (!request_region(io, 2, "eurwdt")) {
- printk(KERN_ERR "eurwdt: IO %X is not free.\n", io);
+ pr_err("IO %X is not free\n", io);
ret = -EBUSY;
goto outirq;
}
ret = register_reboot_notifier(&eurwdt_notifier);
if (ret) {
- printk(KERN_ERR
- "eurwdt: can't register reboot notifier (err=%d)\n", ret);
+ pr_err("can't register reboot notifier (err=%d)\n", ret);
goto outreg;
}
ret = misc_register(&eurwdt_miscdev);
if (ret) {
- printk(KERN_ERR "eurwdt: can't misc_register on minor=%d\n",
- WATCHDOG_MINOR);
+ pr_err("can't misc_register on minor=%d\n", WATCHDOG_MINOR);
goto outreboot;
}
eurwdt_unlock_chip();
ret = 0;
- printk(KERN_INFO "Eurotech WDT driver 0.01 at %X (Interrupt %d)"
- " - timeout event: %s\n",
+ pr_info("Eurotech WDT driver 0.01 at %X (Interrupt %d) - timeout event: %s\n",
io, irq, (!strcmp("int", ev) ? "int" : "reboot"));
out: