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yaml
---
r: 91298
b: refs/heads/master
c: f258b0c
h: refs/heads/master
v: v3
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Kevin Hilman authored and Tony Lindgren committed Apr 14, 2008
1 parent 638dbab commit ef22e0b
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Showing 3 changed files with 18 additions and 27 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 5a3a388fbefac3705dfcde16c93fc81e6fd9378f
refs/heads/master: f258b0c6fa6ca653c7f4e6e2846dbb7ed3af3446
17 changes: 17 additions & 0 deletions trunk/arch/arm/plat-omap/common.c
Original file line number Diff line number Diff line change
Expand Up @@ -193,6 +193,23 @@ static struct clocksource clocksource_32k = {
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};

/*
* Rounds down to nearest nsec.
*/
unsigned long long omap_32k_ticks_to_nsecs(unsigned long ticks_32k)
{
return cyc2ns(&clocksource_32k, ticks_32k);
}

/*
* Returns current time from boot in nsecs. It's OK for this to wrap
* around for now, as it's just a relative time stamp.
*/
unsigned long long sched_clock(void)
{
return omap_32k_ticks_to_nsecs(omap_32k_read());
}

static int __init omap_init_clocksource_32k(void)
{
static char err[] __initdata = KERN_ERR
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26 changes: 0 additions & 26 deletions trunk/arch/arm/plat-omap/timer32k.c
Original file line number Diff line number Diff line change
Expand Up @@ -153,32 +153,6 @@ static inline unsigned long omap_32k_sync_timer_read(void)
return omap_readl(TIMER_32K_SYNCHRONIZED);
}

/*
* Rounds down to nearest usec. Note that this will overflow for larger values.
*/
static inline unsigned long omap_32k_ticks_to_usecs(unsigned long ticks_32k)
{
return (ticks_32k * 5*5*5*5*5*5) >> 9;
}

/*
* Rounds down to nearest nsec.
*/
static inline unsigned long long
omap_32k_ticks_to_nsecs(unsigned long ticks_32k)
{
return (unsigned long long) ticks_32k * 1000 * 5*5*5*5*5*5 >> 9;
}

/*
* Returns current time from boot in nsecs. It's OK for this to wrap
* around for now, as it's just a relative time stamp.
*/
unsigned long long sched_clock(void)
{
return omap_32k_ticks_to_nsecs(omap_32k_sync_timer_read());
}

static irqreturn_t omap_32k_timer_interrupt(int irq, void *dev_id)
{
struct clock_event_device *evt = &clockevent_32k_timer;
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