1 files changed, 0 insertions, 178 deletions

diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c
index d38cdf2c8276..28753805d2d1 100644
--- a/arch/arm/kernel/time.c
+++ b/arch/arm/kernel/time.c
@@ -10,11 +10,6 @@
  *
  *  This file contains the ARM-specific time handling details:
  *  reading the RTC at bootup, etc...
- *
- *  1994-07-02  Alan Modra
- *              fixed set_rtc_mmss, fixed time.year for >= 2000, new mktime
- *  1998-12-20  Updated NTP code according to technical memorandum Jan '96
- *              "A Kernel Model for Precision Timekeeping" by Dave Mills
  */
 #include <linux/module.h>
 #include <linux/kernel.h>
@@ -77,11 +72,6 @@ unsigned long profile_pc(struct pt_regs *regs)
 EXPORT_SYMBOL(profile_pc);
 #endif
 
-/*
- * hook for setting the RTC's idea of the current time.
- */
-int (*set_rtc)(void);
-
 #ifndef CONFIG_GENERIC_TIME
 static unsigned long dummy_gettimeoffset(void)
 {
@@ -89,140 +79,6 @@ static unsigned long dummy_gettimeoffset(void)
 }
 #endif
 
-static unsigned long next_rtc_update;
-
-/*
- * If we have an externally synchronized linux clock, then update
- * CMOS clock accordingly every ~11 minutes.  set_rtc() has to be
- * called as close as possible to 500 ms before the new second
- * starts.
- */
-static inline void do_set_rtc(void)
-{
-        if (!ntp_synced() || set_rtc == NULL)
-                return;
-
-        if (next_rtc_update &&
-            time_before((unsigned long)xtime.tv_sec, next_rtc_update))
-                return;
-
-        if (xtime.tv_nsec < 500000000 - ((unsigned) tick_nsec >> 1) &&
-            xtime.tv_nsec >= 500000000 + ((unsigned) tick_nsec >> 1))
-                return;
-
-        if (set_rtc())
-                /*
-                 * rtc update failed.  Try again in 60s
-                 */
-                next_rtc_update = xtime.tv_sec + 60;
-        else
-                next_rtc_update = xtime.tv_sec + 660;
-}
-
-#ifdef CONFIG_LEDS
-
-static void dummy_leds_event(led_event_t evt)
-{
-}
-
-void (*leds_event)(led_event_t) = dummy_leds_event;
-
-struct leds_evt_name {
-        const char      name[8];
-        int             on;
-        int             off;
-};
-
-static const struct leds_evt_name evt_names[] = {
-        { "amber", led_amber_on, led_amber_off },
-        { "blue",  led_blue_on,  led_blue_off  },
-        { "green", led_green_on, led_green_off },
-        { "red",   led_red_on,   led_red_off   },
-};
-
-static ssize_t leds_store(struct sys_device *dev,
-                        struct sysdev_attribute *attr,
-                        const char *buf, size_t size)
-{
-        int ret = -EINVAL, len = strcspn(buf, " ");
-
-        if (len > 0 && buf[len] == '\0')
-                len--;
-
-        if (strncmp(buf, "claim", len) == 0) {
-                leds_event(led_claim);
-                ret = size;
-        } else if (strncmp(buf, "release", len) == 0) {
-                leds_event(led_release);
-                ret = size;
-        } else {
-                int i;
-
-                for (i = 0; i < ARRAY_SIZE(evt_names); i++) {
-                        if (strlen(evt_names[i].name) != len ||
-                            strncmp(buf, evt_names[i].name, len) != 0)
-                                continue;
-                        if (strncmp(buf+len, " on", 3) == 0) {
-                                leds_event(evt_names[i].on);
-                                ret = size;
-                        } else if (strncmp(buf+len, " off", 4) == 0) {
-                                leds_event(evt_names[i].off);
-                                ret = size;
-                        }
-                        break;
-                }
-        }
-        return ret;
-}
-
-static SYSDEV_ATTR(event, 0200, NULL, leds_store);
-
-static int leds_suspend(struct sys_device *dev, pm_message_t state)
-{
-        leds_event(led_stop);
-        return 0;
-}
-
-static int leds_resume(struct sys_device *dev)
-{
-        leds_event(led_start);
-        return 0;
-}
-
-static int leds_shutdown(struct sys_device *dev)
-{
-        leds_event(led_halted);
-        return 0;
-}
-
-static struct sysdev_class leds_sysclass = {
-        .name           = "leds",
-        .shutdown       = leds_shutdown,
-        .suspend        = leds_suspend,
-        .resume         = leds_resume,
-};
-
-static struct sys_device leds_device = {
-        .id             = 0,
-        .cls            = &leds_sysclass,
-};
-
-static int __init leds_init(void)
-{
-        int ret;
-        ret = sysdev_class_register(&leds_sysclass);
-        if (ret == 0)
-                ret = sysdev_register(&leds_device);
-        if (ret == 0)
-                ret = sysdev_create_file(&leds_device, &attr_event);
-        return ret;
-}
-
-device_initcall(leds_init);
-
-EXPORT_SYMBOL(leds_event);
-#endif
-
 #ifdef CONFIG_LEDS_TIMER
 static inline void do_leds(void)
 {
@@ -295,39 +151,6 @@ int do_settimeofday(struct timespec *tv)
 EXPORT_SYMBOL(do_settimeofday);
 #endif /* !CONFIG_GENERIC_TIME */
 
-/**
- * save_time_delta - Save the offset between system time and RTC time
- * @delta: pointer to timespec to store delta
- * @rtc: pointer to timespec for current RTC time
- *
- * Return a delta between the system time and the RTC time, such
- * that system time can be restored later with restore_time_delta()
- */
-void save_time_delta(struct timespec *delta, struct timespec *rtc)
-{
-        set_normalized_timespec(delta,
-                                xtime.tv_sec - rtc->tv_sec,
-                                xtime.tv_nsec - rtc->tv_nsec);
-}
-EXPORT_SYMBOL(save_time_delta);
-
-/**
- * restore_time_delta - Restore the current system time
- * @delta: delta returned by save_time_delta()
- * @rtc: pointer to timespec for current RTC time
- */
-void restore_time_delta(struct timespec *delta, struct timespec *rtc)
-{
-        struct timespec ts;
-
-        set_normalized_timespec(&ts,
-                                delta->tv_sec + rtc->tv_sec,
-                                delta->tv_nsec + rtc->tv_nsec);
-
-        do_settimeofday(&ts);
-}
-EXPORT_SYMBOL(restore_time_delta);
-
 #ifndef CONFIG_GENERIC_CLOCKEVENTS
 /*
  * Kernel system timer support.
@@ -336,7 +159,6 @@ void timer_tick(void)
 {
         profile_tick(CPU_PROFILING);
         do_leds();
-        do_set_rtc();
         write_seqlock(&xtime_lock);
         do_timer(1);
         write_sequnlock(&xtime_lock);