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authorTomi Valkeinen <tomi.valkeinen@ti.com>2013-04-26 09:14:47 +0300
committerTomi Valkeinen <tomi.valkeinen@ti.com>2013-04-26 09:14:47 +0300
commit9bf9d47a29afbf7a43eae74a988a4aefe88ccbfd (patch)
tree966b838e2190a7d6868cda5f4eee6d0f490da27c /arch/arm/lib/delay.c
parente45f265e7ea3ee6de24efe91fe2928d603cb1741 (diff)
parent138f296e140f79cb955caba70690076fb14e6f6d (diff)
Merge branch '3.10/fb-mmap' into for-next
Merge topic branch to get vm_iomap_memory into use. Conflicts: drivers/video/fbmon.c
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");