Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
[cascardo/linux.git] / drivers / clocksource / metag_generic.c
index bcd5c0d..a80ab3e 100644 (file)
@@ -90,7 +90,7 @@ unsigned long long sched_clock(void)
        return ticks << HARDWARE_TO_NS_SHIFT;
 }
 
-static void arch_timer_setup(unsigned int cpu)
+static int arch_timer_starting_cpu(unsigned int cpu)
 {
        unsigned int txdivtime;
        struct clock_event_device *clk = &per_cpu(local_clockevent, cpu);
@@ -132,27 +132,9 @@ static void arch_timer_setup(unsigned int cpu)
                val = core_reg_read(TXUCT_ID, TXTIMER_REGNUM, thread0);
                __core_reg_set(TXTIMER, val);
        }
+       return 0;
 }
 
-static int arch_timer_cpu_notify(struct notifier_block *self,
-                                          unsigned long action, void *hcpu)
-{
-       int cpu = (long)hcpu;
-
-       switch (action) {
-       case CPU_STARTING:
-       case CPU_STARTING_FROZEN:
-               arch_timer_setup(cpu);
-               break;
-       }
-
-       return NOTIFY_OK;
-}
-
-static struct notifier_block arch_timer_cpu_nb = {
-       .notifier_call = arch_timer_cpu_notify,
-};
-
 int __init metag_generic_timer_init(void)
 {
        /*
@@ -170,11 +152,8 @@ int __init metag_generic_timer_init(void)
 
        setup_irq(tbisig_map(TBID_SIGNUM_TRT), &metag_timer_irq);
 
-       /* Configure timer on boot CPU */
-       arch_timer_setup(smp_processor_id());
-
-       /* Hook cpu boot to configure other CPU's timers */
-       register_cpu_notifier(&arch_timer_cpu_nb);
-
-       return 0;
+       /* Hook cpu boot to configure the CPU's timers */
+       return cpuhp_setup_state(CPUHP_AP_METAG_TIMER_STARTING,
+                                "AP_METAG_TIMER_STARTING",
+                                arch_timer_starting_cpu, NULL);
 }