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author | Thomas Gleixner <tglx@linutronix.de> | 2013-04-24 20:33:46 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2013-04-24 20:33:54 +0200 |
commit | 6402c7dc2a19c19bd8cdc7d80878b850da418942 (patch) | |
tree | cda2ea2df40442e2aa016119f3548cc504127ea8 /arch/arm/lib/delay.c | |
parent | 77c675ba18836802f6b73d2d773481d06ebc0f04 (diff) | |
parent | 60d509fa6a9c4653a86ad830e4c4b30360b23f0e (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.c | 8 |
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"); |