aboutsummaryrefslogtreecommitdiff
path: root/drivers/watchdog/scx200_wdt.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/watchdog/scx200_wdt.c')
-rw-r--r--drivers/watchdog/scx200_wdt.c25
1 files changed, 12 insertions, 13 deletions
diff --git a/drivers/watchdog/scx200_wdt.c b/drivers/watchdog/scx200_wdt.c
index e67b76c0526..8ae7c282d46 100644
--- a/drivers/watchdog/scx200_wdt.c
+++ b/drivers/watchdog/scx200_wdt.c
@@ -17,6 +17,8 @@
of any nature resulting due to the use of this software. This
software is provided AS-IS with no warranties. */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
@@ -30,7 +32,7 @@
#include <linux/uaccess.h>
#include <linux/io.h>
-#define NAME "scx200_wdt"
+#define DEBUG
MODULE_AUTHOR("Christer Weinigel <wingel@nano-system.com>");
MODULE_DESCRIPTION("NatSemi SCx200 Watchdog Driver");
@@ -41,8 +43,8 @@ static int margin = 60; /* in seconds */
module_param(margin, int, 0);
MODULE_PARM_DESC(margin, "Watchdog margin in seconds");
-static int nowayout = WATCHDOG_NOWAYOUT;
-module_param(nowayout, int, 0);
+static bool nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, bool, 0);
MODULE_PARM_DESC(nowayout, "Disable watchdog shutdown on close");
static u16 wdto_restart;
@@ -66,14 +68,13 @@ static void scx200_wdt_ping(void)
static void scx200_wdt_update_margin(void)
{
- printk(KERN_INFO NAME ": timer margin %d seconds\n", margin);
+ pr_info("timer margin %d seconds\n", margin);
wdto_restart = margin * W_SCALE;
}
static void scx200_wdt_enable(void)
{
- printk(KERN_DEBUG NAME ": enabling watchdog timer, wdto_restart = %d\n",
- wdto_restart);
+ pr_debug("enabling watchdog timer, wdto_restart = %d\n", wdto_restart);
spin_lock(&scx_lock);
outw(0, scx200_cb_base + SCx200_WDT_WDTO);
@@ -86,7 +87,7 @@ static void scx200_wdt_enable(void)
static void scx200_wdt_disable(void)
{
- printk(KERN_DEBUG NAME ": disabling watchdog timer\n");
+ pr_debug("disabling watchdog timer\n");
spin_lock(&scx_lock);
outw(0, scx200_cb_base + SCx200_WDT_WDTO);
@@ -108,9 +109,7 @@ static int scx200_wdt_open(struct inode *inode, struct file *file)
static int scx200_wdt_release(struct inode *inode, struct file *file)
{
if (expect_close != 42)
- printk(KERN_WARNING NAME
- ": watchdog device closed unexpectedly, "
- "will not disable the watchdog timer\n");
+ pr_warn("watchdog device closed unexpectedly, will not disable the watchdog timer\n");
else if (!nowayout)
scx200_wdt_disable();
expect_close = 0;
@@ -219,7 +218,7 @@ static int __init scx200_wdt_init(void)
{
int r;
- printk(KERN_DEBUG NAME ": NatSemi SCx200 Watchdog Driver\n");
+ pr_debug("NatSemi SCx200 Watchdog Driver\n");
/* check that we have found the configuration block */
if (!scx200_cb_present())
@@ -228,7 +227,7 @@ static int __init scx200_wdt_init(void)
if (!request_region(scx200_cb_base + SCx200_WDT_OFFSET,
SCx200_WDT_SIZE,
"NatSemi SCx200 Watchdog")) {
- printk(KERN_WARNING NAME ": watchdog I/O region busy\n");
+ pr_warn("watchdog I/O region busy\n");
return -EBUSY;
}
@@ -237,7 +236,7 @@ static int __init scx200_wdt_init(void)
r = register_reboot_notifier(&scx200_wdt_notifier);
if (r) {
- printk(KERN_ERR NAME ": unable to register reboot notifier");
+ pr_err("unable to register reboot notifier\n");
release_region(scx200_cb_base + SCx200_WDT_OFFSET,
SCx200_WDT_SIZE);
return r;