[MIPS] Change libgcc-style functions from lib-y to obj-y

[linux-drm-fsl-dcu.git] / kernel / timer.c

diff --git a/kernel/timer.c b/kernel/timer.c
index 59a28b1752f801355fccb68f5b94ca4758cf9958..1a69705c2fb95536dc67c82479fcff315c0e0e1e 100644 (file)
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -92,24 +92,24 @@ static DEFINE_PER_CPU(tvec_base_t *, tvec_bases) = &boot_tvec_bases;
 /* Functions below help us manage 'deferrable' flag */
 static inline unsigned int tbase_get_deferrable(tvec_base_t *base)
 {
-       return (unsigned int)((unsigned long)base & TBASE_DEFERRABLE_FLAG);
+       return ((unsigned int)(unsigned long)base & TBASE_DEFERRABLE_FLAG);
 }
 
 static inline tvec_base_t *tbase_get_base(tvec_base_t *base)
 {
-       return (tvec_base_t *)((unsigned long)base & ~TBASE_DEFERRABLE_FLAG);
+       return ((tvec_base_t *)((unsigned long)base & ~TBASE_DEFERRABLE_FLAG));
 }
 
 static inline void timer_set_deferrable(struct timer_list *timer)
 {
-       timer->base = (tvec_base_t *)((unsigned long)timer->base |
-                                      TBASE_DEFERRABLE_FLAG);
+       timer->base = ((tvec_base_t *)((unsigned long)(timer->base) |
+                                      TBASE_DEFERRABLE_FLAG));
 }
 
 static inline void
 timer_set_base(struct timer_list *timer, tvec_base_t *new_base)
 {
-       timer->base = (tvec_base_t *)((unsigned long)new_base |
+       timer->base = (tvec_base_t *)((unsigned long)(new_base) |
                                      tbase_get_deferrable(timer->base));
 }
 
@@ -666,7 +666,7 @@ static inline void __run_timers(tvec_base_t *base)
 static unsigned long __next_timer_interrupt(tvec_base_t *base)
 {
        unsigned long timer_jiffies = base->timer_jiffies;
-       unsigned long expires = timer_jiffies + (LONG_MAX >> 1);
+       unsigned long expires = timer_jiffies + NEXT_TIMER_MAX_DELTA;
        int index, slot, array, found = 0;
        struct timer_list *nte;
        tvec_t *varray[4];
@@ -752,6 +752,14 @@ static unsigned long cmp_next_hrtimer_event(unsigned long now,
 
        tsdelta = ktime_to_timespec(hr_delta);
        delta = timespec_to_jiffies(&tsdelta);
+
+       /*
+        * Limit the delta to the max value, which is checked in
+        * tick_nohz_stop_sched_tick():
+        */
+       if (delta > NEXT_TIMER_MAX_DELTA)
+               delta = NEXT_TIMER_MAX_DELTA;
+
        /*
         * Take rounding errors in to account and make sure, that it
         * expires in the next tick. Otherwise we go into an endless
@@ -1499,8 +1507,6 @@ unregister_time_interpolator(struct time_interpolator *ti)
                prev = &curr->next;
        }
 
-       clocksource_resume();
-
        write_seqlock_irqsave(&xtime_lock, flags);
        if (ti == time_interpolator) {
                /* we lost the best time-interpolator: */