Merge branch 'drm-next-3.10' of git://people.freedesktop.org/~agd5f/linux into drm...

[firefly-linux-kernel-4.4.55.git] / arch / arm / lib / delay.c

diff --git a/arch/arm/lib/delay.c b/arch/arm/lib/delay.c
index 6b93f6a1a3c7413982d455e674c0a12ba5f70186..64dbfa57204ae9c3fde48c6efaec7f60e3c6af89 100644 (file)
--- 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");