summaryrefslogtreecommitdiffstats
path: root/arch/arm/lib/delay.c
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2013-04-24 20:33:46 +0200
committerThomas Gleixner <tglx@linutronix.de>2013-04-24 20:33:54 +0200
commit6402c7dc2a19c19bd8cdc7d80878b850da418942 (patch)
treecda2ea2df40442e2aa016119f3548cc504127ea8 /arch/arm/lib/delay.c
parent77c675ba18836802f6b73d2d773481d06ebc0f04 (diff)
parent60d509fa6a9c4653a86ad830e4c4b30360b23f0e (diff)
Merge branch 'linus' into timers/core
Reason: Get upstream fixes before adding conflicting code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/arm/lib/delay.c')
-rw-r--r--arch/arm/lib/delay.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/arm/lib/delay.c b/arch/arm/lib/delay.c
index 6b93f6a1a3c..64dbfa57204 100644
--- a/arch/arm/lib/delay.c
+++ b/arch/arm/lib/delay.c
@@ -58,7 +58,7 @@ static void __timer_delay(unsigned long cycles)
static void __timer_const_udelay(unsigned long xloops)
{
unsigned long long loops = xloops;
- loops *= loops_per_jiffy;
+ loops *= arm_delay_ops.ticks_per_jiffy;
__timer_delay(loops >> UDELAY_SHIFT);
}
@@ -73,11 +73,13 @@ void __init register_current_timer_delay(const struct delay_timer *timer)
pr_info("Switching to timer-based delay loop\n");
delay_timer = timer;
lpj_fine = timer->freq / HZ;
- loops_per_jiffy = lpj_fine;
+
+ /* cpufreq may scale loops_per_jiffy, so keep a private copy */
+ arm_delay_ops.ticks_per_jiffy = lpj_fine;
arm_delay_ops.delay = __timer_delay;
arm_delay_ops.const_udelay = __timer_const_udelay;
arm_delay_ops.udelay = __timer_udelay;
- arm_delay_ops.const_clock = true;
+
delay_calibrated = true;
} else {
pr_info("Ignoring duplicate/late registration of read_current_timer delay\n");