ARM: 7210/1: smp_twd: modernize clock event registration

This break-out from Colin Cross' cpufreq-aware TWD patch will
just modernize the clock event registration code to use
clockevents_config_and_register().

[Broke out of larger SMP TWD patch]

Signed-off-by: Colin Cross <ccross@android.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c
index a8a6682..f057561 100644 (file)
--- a/arch/arm/kernel/smp_twd.c
+++ b/arch/arm/kernel/smp_twd.c
@@ -173,15 +173,11 @@ void __cpuinit twd_timer_setup(struct clock_event_device *clk)
        clk->rating = 350;
        clk->set_mode = twd_set_mode;
        clk->set_next_event = twd_set_next_event;
-       clk->shift = 20;
-       clk->mult = div_sc(twd_timer_rate, NSEC_PER_SEC, clk->shift);
-       clk->max_delta_ns = clockevent_delta2ns(0xffffffff, clk);
-       clk->min_delta_ns = clockevent_delta2ns(0xf, clk);
 
        this_cpu_clk = __this_cpu_ptr(twd_evt);
        *this_cpu_clk = clk;
 
-       clockevents_register_device(clk);
-
+       clockevents_config_and_register(clk, twd_timer_rate,
+                                       0xf, 0xffffffff);
        enable_percpu_irq(clk->irq, 0);
 }