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Diffstat (limited to 'arch/xtensa/kernel/time.c')
-rw-r--r--arch/xtensa/kernel/time.c29
1 files changed, 1 insertions, 28 deletions
diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c
index 86bfe83718e9..db14a3d88db7 100644
--- a/arch/xtensa/kernel/time.c
+++ b/arch/xtensa/kernel/time.c
@@ -14,7 +14,6 @@
#include <linux/errno.h>
#include <linux/time.h>
-#include <linux/timex.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/init.h>
@@ -25,18 +24,11 @@
#include <asm/timex.h>
#include <asm/platform.h>
-
-DEFINE_SPINLOCK(rtc_lock);
-EXPORT_SYMBOL(rtc_lock);
-
-
#ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT
unsigned long ccount_per_jiffy; /* per 1/HZ */
unsigned long nsec_per_ccount; /* nsec per ccount increment */
#endif
-static long last_rtc_update = 0;
-
static irqreturn_t timer_interrupt(int irq, void *dev_id);
static struct irqaction timer_irqaction = {
.handler = timer_interrupt,
@@ -46,8 +38,6 @@ static struct irqaction timer_irqaction = {
void __init time_init(void)
{
- time_t sec_o, sec_n = 0;
-
/* The platform must provide a function to calibrate the processor
* speed for the CALIBRATE.
*/
@@ -59,15 +49,8 @@ void __init time_init(void)
(int)(ccount_per_jiffy/(10000/HZ))%100);
#endif
- /* Set time from RTC (if provided) */
-
- if (platform_get_rtc_time(&sec_o) == 0)
- while (platform_get_rtc_time(&sec_n))
- if (sec_o != sec_n)
- break;
-
xtime.tv_nsec = 0;
- last_rtc_update = xtime.tv_sec = sec_n;
+ xtime.tv_sec = read_persistent_clock();
set_normalized_timespec(&wall_to_monotonic,
-xtime.tv_sec, -xtime.tv_nsec);
@@ -169,16 +152,6 @@ again:
next += CCOUNT_PER_JIFFY;
set_linux_timer(next);
- if (ntp_synced() &&
- xtime.tv_sec - last_rtc_update >= 659 &&
- abs((xtime.tv_nsec/1000)-(1000000-1000000/HZ))<5000000/HZ) {
-
- if (platform_set_rtc_time(xtime.tv_sec+1) == 0)
- last_rtc_update = xtime.tv_sec+1;
- else
- /* Do it again in 60 s */
- last_rtc_update += 60;
- }
write_sequnlock(&xtime_lock);
}