ARM: 7243/1: sp804: modernize clock event registration

This removes the hardcoded shift value and lets the clockevent core
come up with suitable mult and div factors. Tested on the
Integrator/CP.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 1 insertions, 6 deletions

diff --git a/arch/arm/common/timer-sp.c b/arch/arm/common/timer-sp.c
index 2393b5bc96fa..8794a34eae61 100644
--- a/arch/arm/common/timer-sp.c
+++ b/arch/arm/common/timer-sp.c
@@ -143,7 +143,6 @@ static int sp804_set_next_event(unsigned long next,
 }
 
 static struct clock_event_device sp804_clockevent = {
-        .shift          = 32,
         .features       = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
         .set_mode       = sp804_set_mode,
         .set_next_event = sp804_set_next_event,
@@ -169,13 +168,9 @@ void __init sp804_clockevents_init(void __iomem *base, unsigned int irq,
 
         clkevt_base = base;
         clkevt_reload = DIV_ROUND_CLOSEST(rate, HZ);
-
         evt->name = name;
         evt->irq = irq;
-        evt->mult = div_sc(rate, NSEC_PER_SEC, evt->shift);
-        evt->max_delta_ns = clockevent_delta2ns(0xffffffff, evt);
-        evt->min_delta_ns = clockevent_delta2ns(0xf, evt);
 
         setup_irq(irq, &sp804_timer_irq);
-        clockevents_register_device(evt);
+        clockevents_config_and_register(evt, rate, 0xf, 0xffffffff);
 }