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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-19 17:10:06 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-19 17:10:06 -0700
commit7d02093e29de9efc4a72d5e93baae9506969b789 (patch)
treea6fc2450132ae419934f6eb9d223baa338b7d782 /arch/sparc
parent6e0b7b2c39b91b467270dd0bc383914f99e1fb28 (diff)
parente9ddbc075d95b2edf111247cdde16f33c31654a8 (diff)
downloadlinux-linaro-7d02093e29de9efc4a72d5e93baae9506969b789.tar.gz
Merge branch 'timers-for-linus-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-for-linus-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: avr32: Fix typo in read_persistent_clock() sparc: Convert sparc to use read/update_persistent_clock cris: Convert cris to use read/update_persistent_clock m68k: Convert m68k to use read/update_persistent_clock m32r: Convert m32r to use read/update_peristent_clock blackfin: Convert blackfin to use read/update_persistent_clock ia64: Convert ia64 to use read/update_persistent_clock avr32: Convert avr32 to use read/update_persistent_clock h8300: Convert h8300 to use read/update_persistent_clock frv: Convert frv to use read/update_persistent_clock mn10300: Convert mn10300 to use read/update_persistent_clock alpha: Convert alpha to use read/update_persistent_clock xtensa: Fix unnecessary setting of xtime time: Clean up direct xtime usage in xen
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/Kconfig2
-rw-r--r--arch/sparc/kernel/time_32.c18
2 files changed, 6 insertions, 14 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 9908d477ccd..d6781ce687e 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -75,7 +75,7 @@ config ARCH_USES_GETTIMEOFFSET
config GENERIC_CMOS_UPDATE
bool
- default y if SPARC64
+ default y
config GENERIC_CLOCKEVENTS
bool
diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c
index 0d4c09b15ef..4453003032b 100644
--- a/arch/sparc/kernel/time_32.c
+++ b/arch/sparc/kernel/time_32.c
@@ -78,6 +78,11 @@ __volatile__ unsigned int *master_l10_counter;
u32 (*do_arch_gettimeoffset)(void);
+int update_persistent_clock(struct timespec now)
+{
+ return set_rtc_mmss(now.tv_sec);
+}
+
/*
* timer_interrupt() needs to keep up the real-time clock,
* as well as call the "do_timer()" routine every clocktick
@@ -87,9 +92,6 @@ u32 (*do_arch_gettimeoffset)(void);
static irqreturn_t timer_interrupt(int dummy, void *dev_id)
{
- /* last time the cmos clock got updated */
- static long last_rtc_update;
-
#ifndef CONFIG_SMP
profile_tick(CPU_PROFILING);
#endif
@@ -101,16 +103,6 @@ static irqreturn_t timer_interrupt(int dummy, void *dev_id)
do_timer(1);
- /* Determine when to update the Mostek clock. */
- if (ntp_synced() &&
- xtime.tv_sec > last_rtc_update + 660 &&
- (xtime.tv_nsec / 1000) >= 500000 - ((unsigned) TICK_SIZE) / 2 &&
- (xtime.tv_nsec / 1000) <= 500000 + ((unsigned) TICK_SIZE) / 2) {
- if (set_rtc_mmss(xtime.tv_sec) == 0)
- last_rtc_update = xtime.tv_sec;
- else
- last_rtc_update = xtime.tv_sec - 600; /* do it again in 60 s */
- }
write_sequnlock(&xtime_lock);
#ifndef CONFIG_SMP