ethtool: Reformat struct ethtool_coalesce comments into kernel-doc format

[pandora-kernel.git] / kernel / watchdog.c

diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 7daa4b0..36491cd 100644 (file)
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -200,6 +200,7 @@ static int is_softlockup(unsigned long touch_ts)
 }
 
 #ifdef CONFIG_HARDLOCKUP_DETECTOR
+
 static struct perf_event_attr wd_hw_attr = {
        .type           = PERF_TYPE_HARDWARE,
        .config         = PERF_COUNT_HW_CPU_CYCLES,
@@ -209,7 +210,7 @@ static struct perf_event_attr wd_hw_attr = {
 };
 
 /* Callback function for perf event subsystem */
-static void watchdog_overflow_callback(struct perf_event *event, int nmi,
+static void watchdog_overflow_callback(struct perf_event *event,
                 struct perf_sample_data *data,
                 struct pt_regs *regs)
 {
@@ -368,10 +369,11 @@ static int watchdog_nmi_enable(int cpu)
        if (event != NULL)
                goto out_enable;
 
-       /* Try to register using hardware perf events */
        wd_attr = &wd_hw_attr;
        wd_attr->sample_period = hw_nmi_get_sample_period(watchdog_thresh);
-       event = perf_event_create_kernel_counter(wd_attr, cpu, NULL, watchdog_overflow_callback);
+
+       /* Try to register using hardware perf events */
+       event = perf_event_create_kernel_counter(wd_attr, cpu, NULL, watchdog_overflow_callback, NULL);
        if (!IS_ERR(event)) {
                printk(KERN_INFO "NMI watchdog enabled, takes one hw-pmu counter.\n");
                goto out_save;
@@ -415,15 +417,13 @@ static void watchdog_nmi_disable(int cpu) { return; }
 #endif /* CONFIG_HARDLOCKUP_DETECTOR */
 
 /* prepare/enable/disable routines */
-static int watchdog_prepare_cpu(int cpu)
+static void watchdog_prepare_cpu(int cpu)
 {
        struct hrtimer *hrtimer = &per_cpu(watchdog_hrtimer, cpu);
 
        WARN_ON(per_cpu(softlockup_watchdog, cpu));
        hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
        hrtimer->function = watchdog_timer_fn;
-
-       return 0;
 }
 
 static int watchdog_enable(int cpu)
@@ -542,17 +542,16 @@ static int __cpuinit
 cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
 {
        int hotcpu = (unsigned long)hcpu;
-       int err = 0;
 
        switch (action) {
        case CPU_UP_PREPARE:
        case CPU_UP_PREPARE_FROZEN:
-               err = watchdog_prepare_cpu(hotcpu);
+               watchdog_prepare_cpu(hotcpu);
                break;
        case CPU_ONLINE:
        case CPU_ONLINE_FROZEN:
                if (watchdog_enabled)
-                       err = watchdog_enable(hotcpu);
+                       watchdog_enable(hotcpu);
                break;
 #ifdef CONFIG_HOTPLUG_CPU
        case CPU_UP_CANCELED: