ARM: stmp: update clock source registration
authorRussell King <rmk+kernel@arm.linux.org.uk>
Mon, 13 Dec 2010 13:21:41 +0000 (13:21 +0000)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Wed, 22 Dec 2010 22:44:41 +0000 (22:44 +0000)
In d7e81c2 (clocksource: Add clocksource_register_hz/khz interface) new
interfaces were added which simplify (and optimize) the selection of the
divisor shift/mult constants.  Switch over to using this new interface.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/plat-stmp3xxx/timer.c

index 063c7bc..c395630 100644 (file)
@@ -89,7 +89,6 @@ static struct clocksource cksrc_stmp3xxx = {
        .rating         = 250,
        .read           = stmp3xxx_clock_read,
        .mask           = CLOCKSOURCE_MASK(16),
-       .shift          = 10,
        .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
 };
 
@@ -106,8 +105,6 @@ static struct irqaction stmp3xxx_timer_irq = {
  */
 static void __init stmp3xxx_init_timer(void)
 {
-       cksrc_stmp3xxx.mult = clocksource_hz2mult(CLOCK_TICK_RATE,
-                               cksrc_stmp3xxx.shift);
        ckevt_timrot.mult = div_sc(CLOCK_TICK_RATE, NSEC_PER_SEC,
                                ckevt_timrot.shift);
        ckevt_timrot.min_delta_ns = clockevent_delta2ns(2, &ckevt_timrot);
@@ -140,7 +137,7 @@ static void __init stmp3xxx_init_timer(void)
 
        setup_irq(IRQ_TIMER0, &stmp3xxx_timer_irq);
 
-       clocksource_register(&cksrc_stmp3xxx);
+       clocksource_register_hz(&cksrc_stmp3xxx, CLOCK_TICK_RATE);
        clockevents_register_device(&ckevt_timrot);
 }