hrtimer: Drop return code of hrtimer_switch_to_hres()

It's not checked by the caller.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Link: http://lkml.kernel.org/r/20150811164043.538241ef@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index 5c7ae4b..55575d4 100644 (file)
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -679,14 +679,13 @@ static void retrigger_next_event(void *arg)
 /*
  * Switch to high resolution mode
  */
-static int hrtimer_switch_to_hres(void)
+static void hrtimer_switch_to_hres(void)
 {
        struct hrtimer_cpu_base *base = this_cpu_ptr(&hrtimer_bases);
 
        if (tick_init_highres()) {
                printk(KERN_WARNING "Could not switch to high resolution "
                                    "mode on CPU %d\n", base->cpu);
-               return 0;
        }
        base->hres_active = 1;
        hrtimer_resolution = HIGH_RES_NSEC;
@@ -694,7 +693,6 @@ static int hrtimer_switch_to_hres(void)
        tick_setup_sched_timer();
        /* "Retrigger" the interrupt to get things going */
        retrigger_next_event(NULL);
-       return 1;
 }
 
 static void clock_was_set_work(struct work_struct *work)
@@ -718,7 +716,7 @@ void clock_was_set_delayed(void)
 static inline int __hrtimer_hres_active(struct hrtimer_cpu_base *b) { return 0; }
 static inline int hrtimer_hres_active(void) { return 0; }
 static inline int hrtimer_is_hres_enabled(void) { return 0; }
-static inline int hrtimer_switch_to_hres(void) { return 0; }
+static inline void hrtimer_switch_to_hres(void) { }
 static inline void
 hrtimer_force_reprogram(struct hrtimer_cpu_base *base, int skip_equal) { }
 static inline int hrtimer_reprogram(struct hrtimer *timer,