Merge ../linus

[linux-drm-fsl-dcu.git] / arch / frv / kernel / time.c

diff --git a/arch/frv/kernel/time.c b/arch/frv/kernel/time.c
index 24cf85f89e400f675e8820c94438e8f5e38431ad..ed588d73d7d8528bb93f4909affca45403270d87 100644 (file)
--- a/arch/frv/kernel/time.c
+++ b/arch/frv/kernel/time.c
@@ -10,7 +10,6 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-#include <linux/config.h> /* CONFIG_HEARTBEAT */
 #include <linux/module.h>
 #include <linux/errno.h>
 #include <linux/sched.h>
@@ -26,14 +25,11 @@
 #include <asm/timer-regs.h>
 #include <asm/mb-regs.h>
 #include <asm/mb86943a.h>
-#include <asm/irq-routing.h>
 
 #include <linux/timex.h>
 
 #define TICK_SIZE (tick_nsec / 1000)
 
-extern unsigned long wall_jiffies;
-
 unsigned long __nongprelbss __clkin_clock_speed_HZ;
 unsigned long __nongprelbss __ext_bus_clock_speed_HZ;
 unsigned long __nongprelbss __res_bus_clock_speed_HZ;
@@ -44,10 +40,10 @@ unsigned long __nongprelbss __dsu_clock_speed_HZ;
 unsigned long __nongprelbss __serial_clock_speed_HZ;
 unsigned long __delay_loops_MHz;
 
-static irqreturn_t timer_interrupt(int irq, void *dummy, struct pt_regs *regs);
+static irqreturn_t timer_interrupt(int irq, void *dummy);
 
 static struct irqaction timer_irq  = {
-       timer_interrupt, SA_INTERRUPT, CPU_MASK_NONE, "timer", NULL, NULL
+       timer_interrupt, IRQF_DISABLED, CPU_MASK_NONE, "timer", NULL, NULL
 };
 
 static inline int set_rtc_mmss(unsigned long nowtime)
@@ -59,7 +55,7 @@ static inline int set_rtc_mmss(unsigned long nowtime)
  * timer_interrupt() needs to keep up the real-time clock,
  * as well as call the "do_timer()" routine every clocktick
  */
-static irqreturn_t timer_interrupt(int irq, void *dummy, struct pt_regs * regs)
+static irqreturn_t timer_interrupt(int irq, void *dummy)
 {
        /* last time the cmos clock got updated */
        static long last_rtc_update = 0;
@@ -73,9 +69,9 @@ static irqreturn_t timer_interrupt(int irq, void *dummy, struct pt_regs * regs)
         */
        write_seqlock(&xtime_lock);
 
-       do_timer(regs);
-       update_process_times(user_mode(regs));
-       profile_tick(CPU_PROFILING, regs);
+       do_timer(1);
+       update_process_times(user_mode(get_irq_regs()));
+       profile_tick(CPU_PROFILING);
 
        /*
         * If we have an externally synchronized Linux clock, then update
@@ -144,85 +140,6 @@ void time_init(void)
        time_divisor_init();
 }
 
-/*
- * This version of gettimeofday has near microsecond resolution.
- */
-void do_gettimeofday(struct timeval *tv)
-{
-       unsigned long seq;
-       unsigned long usec, sec;
-       unsigned long max_ntp_tick;
-
-       do {
-               unsigned long lost;
-
-               seq = read_seqbegin(&xtime_lock);
-
-               usec = 0;
-               lost = jiffies - wall_jiffies;
-
-               /*
-                * If time_adjust is negative then NTP is slowing the clock
-                * so make sure not to go into next possible interval.
-                * Better to lose some accuracy than have time go backwards..
-                */
-               if (unlikely(time_adjust < 0)) {
-                       max_ntp_tick = (USEC_PER_SEC / HZ) - tickadj;
-                       usec = min(usec, max_ntp_tick);
-
-                       if (lost)
-                               usec += lost * max_ntp_tick;
-               }
-               else if (unlikely(lost))
-                       usec += lost * (USEC_PER_SEC / HZ);
-
-               sec = xtime.tv_sec;
-               usec += (xtime.tv_nsec / 1000);
-       } while (read_seqretry(&xtime_lock, seq));
-
-       while (usec >= 1000000) {
-               usec -= 1000000;
-               sec++;
-       }
-
-       tv->tv_sec = sec;
-       tv->tv_usec = usec;
-}
-
-EXPORT_SYMBOL(do_gettimeofday);
-
-int do_settimeofday(struct timespec *tv)
-{
-       time_t wtm_sec, sec = tv->tv_sec;
-       long wtm_nsec, nsec = tv->tv_nsec;
-
-       if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC)
-               return -EINVAL;
-
-       write_seqlock_irq(&xtime_lock);
-       /*
-        * This is revolting. We need to set "xtime" correctly. However, the
-        * value in this location is the value at the most recent update of
-        * wall time.  Discover what correction gettimeofday() would have
-        * made, and then undo it!
-        */
-       nsec -= 0 * NSEC_PER_USEC;
-       nsec -= (jiffies - wall_jiffies) * TICK_NSEC;
-
-       wtm_sec  = wall_to_monotonic.tv_sec + (xtime.tv_sec - sec);
-       wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - nsec);
-
-       set_normalized_timespec(&xtime, sec, nsec);
-       set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec);
-
-       ntp_clear();
-       write_sequnlock_irq(&xtime_lock);
-       clock_was_set();
-       return 0;
-}
-
-EXPORT_SYMBOL(do_settimeofday);
-
 /*
  * Scheduler clock - returns current time in nanosec units.
  */