2 files changed, 7 insertions, 5 deletions

diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index 6ae605857ca9..9de1278d234f 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -76,7 +76,9 @@ unsigned long long sched_clock(void)
         /*
          * 96-bit math to perform tick * NSEC_PER_SEC / CLOCK_TICK_RATE for
          * any value of CLOCK_TICK_RATE. Max value is in the 80 thousand
-         * years range which is nice, but with higher computation cost.
+         * years range and truncation to unsigned long long limits it to
+         * sched_clock's max range of ~584 years.  This is nice but with
+         * higher computation cost.
          */
         {
                 union {
diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c
index 3775b8f38429..ee2beb400414 100644
--- a/arch/arm/mach-pxa/time.c
+++ b/arch/arm/mach-pxa/time.c
@@ -101,7 +101,7 @@ static struct irqaction pxa_timer_irq = {
         .handler        = pxa_timer_interrupt,
 };
 
-cycle_t pxa_get_cycles(void)
+static cycle_t pxa_get_cycles(void)
 {
         return OSCR;
 }
@@ -134,13 +134,13 @@ static void __init pxa_timer_init(void)
         OSMR0 = OSCR + LATCH;   /* set initial match */
         local_irq_restore(flags);
 
-        /* on PXA OSCR runs continiously and is not written to, so we can use it
-         * as clock source directly.
+        /*
+         * OSCR runs continuously on PXA and is not written to,
+         * so we can use it as clock source directly.
          */
         clocksource_pxa.mult =
                 clocksource_hz2mult(CLOCK_TICK_RATE, clocksource_pxa.shift);
         clocksource_register(&clocksource_pxa);
-
 }
 
 #ifdef CONFIG_NO_IDLE_HZ