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path: root/drivers/watchdog/w83697hf_wdt.c
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Diffstat (limited to 'drivers/watchdog/w83697hf_wdt.c')
-rw-r--r--drivers/watchdog/w83697hf_wdt.c44
1 files changed, 18 insertions, 26 deletions
diff --git a/drivers/watchdog/w83697hf_wdt.c b/drivers/watchdog/w83697hf_wdt.c
index af08972de506..cd9f3c1e1af4 100644
--- a/drivers/watchdog/w83697hf_wdt.c
+++ b/drivers/watchdog/w83697hf_wdt.c
@@ -25,6 +25,8 @@
* "AS-IS" and at no charge.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/types.h>
@@ -39,10 +41,8 @@
#include <linux/io.h>
#include <linux/uaccess.h>
-#include <asm/system.h>
#define WATCHDOG_NAME "w83697hf/hg WDT"
-#define PFX WATCHDOG_NAME ": "
#define WATCHDOG_TIMEOUT 60 /* 60 sec default timeout */
#define WATCHDOG_EARLY_DISABLE 1 /* Disable until userland kicks in */
@@ -62,8 +62,8 @@ MODULE_PARM_DESC(timeout,
"Watchdog timeout in seconds. 1<= timeout <=255 (default="
__MODULE_STRING(WATCHDOG_TIMEOUT) ")");
-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) ")");
@@ -309,8 +309,7 @@ static int wdt_close(struct inode *inode, struct file *file)
if (expect_close == 42)
wdt_disable();
else {
- printk(KERN_CRIT PFX
- "Unexpected close, not stopping watchdog!\n");
+ pr_crit("Unexpected close, not stopping watchdog!\n");
wdt_ping();
}
expect_close = 0;
@@ -362,24 +361,21 @@ static struct notifier_block wdt_notifier = {
static int w83697hf_check_wdt(void)
{
if (!request_region(wdt_io, 2, WATCHDOG_NAME)) {
- printk(KERN_ERR PFX
- "I/O address 0x%x already in use\n", wdt_io);
+ pr_err("I/O address 0x%x already in use\n", wdt_io);
return -EIO;
}
- printk(KERN_DEBUG PFX
- "Looking for watchdog at address 0x%x\n", wdt_io);
+ pr_debug("Looking for watchdog at address 0x%x\n", wdt_io);
w83697hf_unlock();
if (w83697hf_get_reg(0x20) == 0x60) {
- printk(KERN_INFO PFX
- "watchdog found at address 0x%x\n", wdt_io);
+ pr_info("watchdog found at address 0x%x\n", wdt_io);
w83697hf_lock();
return 0;
}
/* Reprotect in case it was a compatible device */
w83697hf_lock();
- printk(KERN_INFO PFX "watchdog not found at address 0x%x\n", wdt_io);
+ pr_info("watchdog not found at address 0x%x\n", wdt_io);
release_region(wdt_io, 2);
return -EIO;
}
@@ -390,7 +386,7 @@ static int __init wdt_init(void)
{
int ret, i, found = 0;
- printk(KERN_INFO PFX "WDT driver for W83697HF/HG initializing\n");
+ pr_info("WDT driver for W83697HF/HG initializing\n");
if (wdt_io == 0) {
/* we will autodetect the W83697HF/HG watchdog */
@@ -405,7 +401,7 @@ static int __init wdt_init(void)
}
if (!found) {
- printk(KERN_ERR PFX "No W83697HF/HG could be found\n");
+ pr_err("No W83697HF/HG could be found\n");
ret = -EIO;
goto out;
}
@@ -413,34 +409,30 @@ static int __init wdt_init(void)
w83697hf_init();
if (early_disable) {
if (wdt_running())
- printk(KERN_WARNING PFX "Stopping previously enabled "
- "watchdog until userland kicks in\n");
+ pr_warn("Stopping previously enabled watchdog until userland kicks in\n");
wdt_disable();
}
if (wdt_set_heartbeat(timeout)) {
wdt_set_heartbeat(WATCHDOG_TIMEOUT);
- printk(KERN_INFO PFX
- "timeout value must be 1 <= timeout <= 255, using %d\n",
- WATCHDOG_TIMEOUT);
+ pr_info("timeout value must be 1 <= timeout <= 255, using %d\n",
+ WATCHDOG_TIMEOUT);
}
ret = register_reboot_notifier(&wdt_notifier);
if (ret != 0) {
- printk(KERN_ERR PFX
- "cannot register reboot notifier (err=%d)\n", ret);
+ pr_err("cannot register reboot notifier (err=%d)\n", ret);
goto unreg_regions;
}
ret = misc_register(&wdt_miscdev);
if (ret != 0) {
- printk(KERN_ERR PFX
- "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 unreg_reboot;
}
- printk(KERN_INFO PFX "initialized. timeout=%d sec (nowayout=%d)\n",
+ pr_info("initialized. timeout=%d sec (nowayout=%d)\n",
timeout, nowayout);
out:
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