uclinux-dev  

[uClinux-dev] [RFC 03/11] m68knommu: move code within time.c

Sebastian Siewior
Tue, 08 Apr 2008 10:51:36 -0700

This patch creates two functions do_set_rtc() and read_rtc_mmss()
based on allready available code.

Signed-off-by: Sebastian Siewior <[EMAIL PROTECTED]>
--- a/arch/m68knommu/kernel/time.c
+++ b/arch/m68knommu/kernel/time.c
@@ -33,24 +33,11 @@ static inline int set_rtc_mmss(unsigned 
        return -1;
 }
 
-/*
- * timer_interrupt() needs to keep up the real-time clock,
- * as well as call the "do_timer()" routine every clocktick
- */
-irqreturn_t arch_timer_interrupt(int irq, void *dummy)
+static inline void do_set_rtc(void)
 {
        /* last time the cmos clock got updated */
        static long last_rtc_update=0;
 
-       write_seqlock(&xtime_lock);
-
-       do_timer(1);
-#ifndef CONFIG_SMP
-       update_process_times(user_mode(get_irq_regs()));
-#endif
-       if (current->pid)
-               profile_tick(CPU_PROFILING);
-
        /*
         * If we have an externally synchronized Linux clock, then update
         * CMOS clock accordingly every ~11 minutes. Set_rtc_mmss() has to be
@@ -65,12 +52,31 @@ irqreturn_t arch_timer_interrupt(int irq
          else
            last_rtc_update = xtime.tv_sec - 600; /* do it again in 60 s */
        }
+}
+
+/*
+ * timer_interrupt() needs to keep up the real-time clock,
+ * as well as call the "do_timer()" routine every clocktick
+ */
+irqreturn_t arch_timer_interrupt(int irq, void *dummy)
+{
+
+       write_seqlock(&xtime_lock);
+
+       do_timer(1);
+#ifndef CONFIG_SMP
+       update_process_times(user_mode(get_irq_regs()));
+#endif
+       if (current->pid)
+               profile_tick(CPU_PROFILING);
+
+       do_set_rtc();
 
        write_sequnlock(&xtime_lock);
        return(IRQ_HANDLED);
 }
 
-void time_init(void)
+static unsigned long read_rtc_mmss(void)
 {
        unsigned int year, mon, day, hour, min, sec;
 
@@ -81,7 +87,13 @@ void time_init(void)
 
        if ((year += 1900) < 1970)
                year += 100;
-       xtime.tv_sec = mktime(year, mon, day, hour, min, sec);
+
+       return  mktime(year, mon, day, hour, min, sec);;
+}
+
+void time_init(void)
+{
+       xtime.tv_sec = read_rtc_mmss();
        xtime.tv_nsec = 0;
        wall_to_monotonic.tv_sec = -xtime.tv_sec;
 

-- 

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