]> Pileus Git - ~andy/linux/blobdiff - drivers/watchdog/intel_scu_watchdog.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
[~andy/linux] / drivers / watchdog / intel_scu_watchdog.c
index 1abdc0454c54ff847d3d5159583f396fb2c6baff..9dda2d08af91a23c8ce8cb50d6f1e584212ec597 100644 (file)
@@ -22,6 +22,8 @@
  *
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/compiler.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
@@ -96,15 +98,14 @@ static struct intel_scu_watchdog_dev watchdog_device;
 static void watchdog_fire(void)
 {
        if (force_boot) {
-               printk(KERN_CRIT PFX "Initiating system reboot.\n");
+               pr_crit("Initiating system reboot\n");
                emergency_restart();
-               printk(KERN_CRIT PFX "Reboot didn't ?????\n");
+               pr_crit("Reboot didn't ?????\n");
        }
 
        else {
-               printk(KERN_CRIT PFX "Immediate Reboot Disabled\n");
-               printk(KERN_CRIT PFX
-                       "System will reset when watchdog timer times out!\n");
+               pr_crit("Immediate Reboot Disabled\n");
+               pr_crit("System will reset when watchdog timer times out!\n");
        }
 }
 
@@ -112,8 +113,8 @@ static int check_timer_margin(int new_margin)
 {
        if ((new_margin < MIN_TIME_CYCLE) ||
            (new_margin > MAX_TIME - timer_set)) {
-               pr_debug("Watchdog timer: value of new_margin %d is out of the range %d to %d\n",
-                         new_margin, MIN_TIME_CYCLE, MAX_TIME - timer_set);
+               pr_debug("value of new_margin %d is out of the range %d to %d\n",
+                        new_margin, MIN_TIME_CYCLE, MAX_TIME - timer_set);
                return -EINVAL;
        }
        return 0;
@@ -156,14 +157,14 @@ static irqreturn_t watchdog_timer_interrupt(int irq, void *dev_id)
        int int_status;
        int_status = ioread32(watchdog_device.timer_interrupt_status_addr);
 
-       pr_debug("Watchdog timer: irq, int_status: %x\n", int_status);
+       pr_debug("irq, int_status: %x\n", int_status);
 
        if (int_status != 0)
                return IRQ_NONE;
 
        /* has the timer been started? If not, then this is spurious */
        if (watchdog_device.timer_started == 0) {
-               pr_debug("Watchdog timer: spurious interrupt received\n");
+               pr_debug("spurious interrupt received\n");
                return IRQ_HANDLED;
        }
 
@@ -220,16 +221,15 @@ static int intel_scu_set_heartbeat(u32 t)
                (watchdog_device.timer_set - timer_margin)
                * watchdog_device.timer_tbl_ptr->freq_hz;
 
-       pr_debug("Watchdog timer: set_heartbeat: timer freq is %d\n",
-               watchdog_device.timer_tbl_ptr->freq_hz);
-       pr_debug("Watchdog timer: set_heartbeat: timer_set is %x (hex)\n",
-               watchdog_device.timer_set);
-       pr_debug("Watchdog timer: set_hearbeat: timer_margin is %x (hex)\n",
-               timer_margin);
-       pr_debug("Watchdog timer: set_heartbeat: threshold is %x (hex)\n",
-               watchdog_device.threshold);
-       pr_debug("Watchdog timer: set_heartbeat: soft_threshold is %x (hex)\n",
-               watchdog_device.soft_threshold);
+       pr_debug("set_heartbeat: timer freq is %d\n",
+                watchdog_device.timer_tbl_ptr->freq_hz);
+       pr_debug("set_heartbeat: timer_set is %x (hex)\n",
+                watchdog_device.timer_set);
+       pr_debug("set_hearbeat: timer_margin is %x (hex)\n", timer_margin);
+       pr_debug("set_heartbeat: threshold is %x (hex)\n",
+                watchdog_device.threshold);
+       pr_debug("set_heartbeat: soft_threshold is %x (hex)\n",
+                watchdog_device.soft_threshold);
 
        /* Adjust thresholds by FREQ_ADJUSTMENT factor, to make the */
        /* watchdog timing come out right. */
@@ -264,7 +264,7 @@ static int intel_scu_set_heartbeat(u32 t)
 
                if (MAX_RETRY < retry_count++) {
                        /* Unable to set timer value */
-                       pr_err("Watchdog timer: Unable to set timer\n");
+                       pr_err("Unable to set timer\n");
                        return -ENODEV;
                }
 
@@ -321,18 +321,17 @@ static int intel_scu_release(struct inode *inode, struct file *file)
         */
 
        if (!test_and_clear_bit(0, &watchdog_device.driver_open)) {
-               pr_debug("Watchdog timer: intel_scu_release, without open\n");
+               pr_debug("intel_scu_release, without open\n");
                return -ENOTTY;
        }
 
        if (!watchdog_device.timer_started) {
                /* Just close, since timer has not been started */
-               pr_debug("Watchdog timer: closed, without starting timer\n");
+               pr_debug("closed, without starting timer\n");
                return 0;
        }
 
-       printk(KERN_CRIT PFX
-              "Unexpected close of /dev/watchdog!\n");
+       pr_crit("Unexpected close of /dev/watchdog!\n");
 
        /* Since the timer was started, prevent future reopens */
        watchdog_device.driver_closed = 1;
@@ -454,9 +453,8 @@ static int __init intel_scu_watchdog_init(void)
        /* Check value of timer_set boot parameter */
        if ((timer_set < MIN_TIME_CYCLE) ||
            (timer_set > MAX_TIME - MIN_TIME_CYCLE)) {
-               pr_err("Watchdog timer: value of timer_set %x (hex) "
-                 "is out of range from %x to %x (hex)\n",
-                 timer_set, MIN_TIME_CYCLE, MAX_TIME - MIN_TIME_CYCLE);
+               pr_err("value of timer_set %x (hex) is out of range from %x to %x (hex)\n",
+                      timer_set, MIN_TIME_CYCLE, MAX_TIME - MIN_TIME_CYCLE);
                return -EINVAL;
        }
 
@@ -467,19 +465,18 @@ static int __init intel_scu_watchdog_init(void)
        watchdog_device.timer_tbl_ptr = sfi_get_mtmr(sfi_mtimer_num-1);
 
        if (watchdog_device.timer_tbl_ptr == NULL) {
-               pr_debug("Watchdog timer - Intel SCU watchdog: timer is not available\n");
+               pr_debug("timer is not available\n");
                return -ENODEV;
        }
        /* make sure the timer exists */
        if (watchdog_device.timer_tbl_ptr->phys_addr == 0) {
-               pr_debug("Watchdog timer - Intel SCU watchdog - timer %d does not have valid physical memory\n",
-                                                               sfi_mtimer_num);
+               pr_debug("timer %d does not have valid physical memory\n",
+                        sfi_mtimer_num);
                return -ENODEV;
        }
 
        if (watchdog_device.timer_tbl_ptr->irq == 0) {
-               pr_debug("Watchdog timer: timer %d invalid irq\n",
-                                                       sfi_mtimer_num);
+               pr_debug("timer %d invalid irq\n", sfi_mtimer_num);
                return -ENODEV;
        }
 
@@ -487,7 +484,7 @@ static int __init intel_scu_watchdog_init(void)
                        20);
 
        if (tmp_addr == NULL) {
-               pr_debug("Watchdog timer: timer unable to ioremap\n");
+               pr_debug("timer unable to ioremap\n");
                return -ENOMEM;
        }
 
@@ -512,7 +509,7 @@ static int __init intel_scu_watchdog_init(void)
 
        ret = register_reboot_notifier(&watchdog_device.intel_scu_notifier);
        if (ret) {
-               pr_err("Watchdog timer: cannot register notifier %d)\n", ret);
+               pr_err("cannot register notifier %d)\n", ret);
                goto register_reboot_error;
        }
 
@@ -522,8 +519,8 @@ static int __init intel_scu_watchdog_init(void)
 
        ret = misc_register(&watchdog_device.miscdev);
        if (ret) {
-               pr_err("Watchdog timer: cannot register miscdev %d err =%d\n",
-                                                       WATCHDOG_MINOR, ret);
+               pr_err("cannot register miscdev %d err =%d\n",
+                      WATCHDOG_MINOR, ret);
                goto misc_register_error;
        }
 
@@ -532,7 +529,7 @@ static int __init intel_scu_watchdog_init(void)
                IRQF_SHARED, "watchdog",
                &watchdog_device.timer_load_count_addr);
        if (ret) {
-               pr_err("Watchdog timer: error requesting irq %d\n", ret);
+               pr_err("error requesting irq %d\n", ret);
                goto request_irq_error;
        }
        /* Make sure timer is disabled before returning */