1 files changed, 12 insertions, 21 deletions

diff --git a/arch/arm/mach-u300/timer.c b/arch/arm/mach-u300/timer.c
index 18d7fa0603c2..5f51bdeef0ef 100644
--- a/arch/arm/mach-u300/timer.c
+++ b/arch/arm/mach-u300/timer.c
@@ -27,9 +27,6 @@
 #include <asm/mach/time.h>
 #include <asm/mach/irq.h>
 
-/* Be able to sleep for atleast 4 seconds (usually more) */
-#define APPTIMER_MIN_RANGE 4
-
 /*
  * APP side special timer registers
  * This timer contains four timers which can fire an interrupt each.
@@ -309,11 +306,11 @@ static int u300_set_next_event(unsigned long cycles,
 
 /* Use general purpose timer 1 as clock event */
 static struct clock_event_device clockevent_u300_1mhz = {
-        .name           = "GPT1",
-        .rating         = 300, /* Reasonably fast and accurate clock event */
-        .features       = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
-        .set_next_event = u300_set_next_event,
-        .set_mode       = u300_set_mode,
+        .name           = "GPT1",
+        .rating         = 300, /* Reasonably fast and accurate clock event */
+        .features       = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
+        .set_next_event = u300_set_next_event,
+        .set_mode       = u300_set_mode,
 };
 
 /* Clock event timer interrupt handler */
@@ -328,9 +325,9 @@ static irqreturn_t u300_timer_interrupt(int irq, void *dev_id)
 }
 
 static struct irqaction u300_timer_irq = {
-        .name           = "U300 Timer Tick",
-        .flags          = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
-        .handler        = u300_timer_interrupt,
+        .name           = "U300 Timer Tick",
+        .flags          = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
+        .handler        = u300_timer_interrupt,
 };
 
 /*
@@ -413,16 +410,10 @@ static void __init u300_timer_init(void)
                         "GPT2", rate, 300, 32, clocksource_mmio_readl_up))
                 pr_err("timer: failed to initialize U300 clock source\n");
 
-        clockevents_calc_mult_shift(&clockevent_u300_1mhz,
-                                    rate, APPTIMER_MIN_RANGE);
-        /* 32bit counter, so 32bits delta is max */
-        clockevent_u300_1mhz.max_delta_ns =
-                clockevent_delta2ns(0xffffffff, &clockevent_u300_1mhz);
-        /* This timer is slow enough to set for 1 cycle == 1 MHz */
-        clockevent_u300_1mhz.min_delta_ns =
-                clockevent_delta2ns(1, &clockevent_u300_1mhz);
-        clockevent_u300_1mhz.cpumask = cpumask_of(0);
-        clockevents_register_device(&clockevent_u300_1mhz);
+        /* Configure and register the clockevent */
+        clockevents_config_and_register(&clockevent_u300_1mhz, rate,
+                                        1, 0xffffffff);
+
         /*
          * TODO: init and register the rest of the timers too, they can be
          * used by hrtimers!