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ARC: arc_local_timer_setup() need not pass own cpu id
authorVineet Gupta <vgupta@synopsys.com>
Thu, 8 May 2014 08:36:38 +0000 (14:06 +0530)
committerVineet Gupta <vgupta@synopsys.com>
Tue, 3 Jun 2014 07:56:52 +0000 (13:26 +0530)
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
arch/arc/include/asm/irq.h
arch/arc/kernel/smp.c
arch/arc/kernel/time.c

index 781f57f..fb4efb6 100644 (file)
@@ -19,6 +19,6 @@
 #include <asm-generic/irq.h>
 
 extern void arc_init_IRQ(void);
-void arc_local_timer_setup(unsigned int cpu);
+void arc_local_timer_setup(void);
 
 #endif
index 40859e5..cf90b6f 100644 (file)
@@ -138,7 +138,7 @@ void start_kernel_secondary(void)
        if (machine_desc->init_smp)
                machine_desc->init_smp(smp_processor_id());
 
-       arc_local_timer_setup(cpu);
+       arc_local_timer_setup();
 
        local_irq_enable();
        preempt_disable();
index 71c4252..36c2aa9 100644 (file)
@@ -219,12 +219,13 @@ static struct irqaction arc_timer_irq = {
 /*
  * Setup the local event timer for @cpu
  */
-void arc_local_timer_setup(unsigned int cpu)
+void arc_local_timer_setup()
 {
-       struct clock_event_device *clk = &per_cpu(arc_clockevent_device, cpu);
+       struct clock_event_device *evt = this_cpu_ptr(&arc_clockevent_device);
+       int cpu = smp_processor_id();
 
-       clk->cpumask = cpumask_of(cpu);
-       clockevents_config_and_register(clk, arc_get_core_freq(),
+       evt->cpumask = cpumask_of(cpu);
+       clockevents_config_and_register(evt, arc_get_core_freq(),
                                        0, ARC_TIMER_MAX);
 
        /*
@@ -261,7 +262,7 @@ void __init time_init(void)
                clocksource_register_hz(&arc_counter, arc_get_core_freq());
 
        /* sets up the periodic event timer */
-       arc_local_timer_setup(smp_processor_id());
+       arc_local_timer_setup();
 
        if (machine_desc->init_time)
                machine_desc->init_time();