diff options
Diffstat (limited to 'drivers/watchdog/sc520_wdt.c')
| -rw-r--r-- | drivers/watchdog/sc520_wdt.c | 40 |
1 files changed, 16 insertions, 24 deletions
diff --git a/drivers/watchdog/sc520_wdt.c b/drivers/watchdog/sc520_wdt.c index b2840409ebc7..707e027e5002 100644 --- a/drivers/watchdog/sc520_wdt.c +++ b/drivers/watchdog/sc520_wdt.c @@ -52,6 +52,8 @@ * This driver uses memory mapped IO, and spinlock. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/types.h> @@ -67,10 +69,6 @@ #include <linux/io.h> #include <linux/uaccess.h> -#include <asm/system.h> - -#define OUR_NAME "sc520_wdt" -#define PFX OUR_NAME ": " /* * The AMD Elan SC520 timeout value is 492us times a power of 2 (0-7) @@ -98,8 +96,8 @@ MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. (1 <= timeout <= 3600, 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) ")"); @@ -151,8 +149,7 @@ static void wdt_timer_ping(unsigned long data) /* Re-set the timer interval */ mod_timer(&timer, jiffies + WDT_INTERVAL); } else - printk(KERN_WARNING PFX - "Heartbeat lost! Will not ping the watchdog\n"); + pr_warn("Heartbeat lost! Will not ping the watchdog\n"); } /* @@ -187,7 +184,7 @@ static int wdt_startup(void) /* Start the watchdog */ wdt_config(WDT_ENB | WDT_WRST_ENB | WDT_EXP_SEL_04); - printk(KERN_INFO PFX "Watchdog timer is now enabled.\n"); + pr_info("Watchdog timer is now enabled\n"); return 0; } @@ -199,7 +196,7 @@ static int wdt_turnoff(void) /* Stop the watchdog */ wdt_config(0); - printk(KERN_INFO PFX "Watchdog timer is now disabled...\n"); + pr_info("Watchdog timer is now disabled...\n"); return 0; } @@ -270,8 +267,7 @@ static int fop_close(struct inode *inode, struct file *file) if (wdt_expect_close == 42) wdt_turnoff(); else { - printk(KERN_CRIT PFX - "Unexpected close, not stopping watchdog!\n"); + pr_crit("Unexpected close, not stopping watchdog!\n"); wdt_keepalive(); } clear_bit(0, &wdt_is_open); @@ -393,36 +389,32 @@ static int __init sc520_wdt_init(void) if not reset to the default */ if (wdt_set_heartbeat(timeout)) { wdt_set_heartbeat(WATCHDOG_TIMEOUT); - printk(KERN_INFO PFX - "timeout value must be 1 <= timeout <= 3600, using %d\n", - WATCHDOG_TIMEOUT); + pr_info("timeout value must be 1 <= timeout <= 3600, using %d\n", + WATCHDOG_TIMEOUT); } wdtmrctl = ioremap(MMCR_BASE + OFFS_WDTMRCTL, 2); if (!wdtmrctl) { - printk(KERN_ERR PFX "Unable to remap memory\n"); + pr_err("Unable to remap memory\n"); rc = -ENOMEM; goto err_out_region2; } rc = register_reboot_notifier(&wdt_notifier); if (rc) { - printk(KERN_ERR PFX - "cannot register reboot notifier (err=%d)\n", rc); + pr_err("cannot register reboot notifier (err=%d)\n", rc); goto err_out_ioremap; } rc = misc_register(&wdt_miscdev); if (rc) { - printk(KERN_ERR PFX - "cannot register miscdev on minor=%d (err=%d)\n", - WATCHDOG_MINOR, rc); + pr_err("cannot register miscdev on minor=%d (err=%d)\n", + WATCHDOG_MINOR, rc); goto err_out_notifier; } - printk(KERN_INFO PFX - "WDT driver for SC520 initialised. timeout=%d sec (nowayout=%d)\n", - timeout, nowayout); + pr_info("WDT driver for SC520 initialised. timeout=%d sec (nowayout=%d)\n", + timeout, nowayout); return 0; |