clockevents/drivers/exynos_mct: Remove unneeded container_of()

Patch removes unneeded container_of() macro in exynos4_local_timer_setup().
Instead let's pass mevt pointer to setup and stop functions from
exynos4_mct_cpu_notify() and let them get evt pointer.

Tested on odroid-xu3.

Signed-off-by: Alexey Klimov <klimov.linux@gmail.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>

diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
index 9064ff7..4d2330a 100644 (file)
--- a/drivers/clocksource/exynos_mct.c
+++ b/drivers/clocksource/exynos_mct.c
@@ -442,13 +442,11 @@ static irqreturn_t exynos4_mct_tick_isr(int irq, void *dev_id)
        return IRQ_HANDLED;
 }
 
-static int exynos4_local_timer_setup(struct clock_event_device *evt)
+static int exynos4_local_timer_setup(struct mct_clock_event_device *mevt)
 {
-       struct mct_clock_event_device *mevt;
+       struct clock_event_device *evt = &mevt->evt;
        unsigned int cpu = smp_processor_id();
 
-       mevt = container_of(evt, struct mct_clock_event_device, evt);
-
        mevt->base = EXYNOS4_MCT_L_BASE(cpu);
        snprintf(mevt->name, sizeof(mevt->name), "mct_tick%d", cpu);
 
@@ -477,8 +475,10 @@ static int exynos4_local_timer_setup(struct clock_event_device *evt)
        return 0;
 }
 
-static void exynos4_local_timer_stop(struct clock_event_device *evt)
+static void exynos4_local_timer_stop(struct mct_clock_event_device *mevt)
 {
+       struct clock_event_device *evt = &mevt->evt;
+
        evt->set_mode(CLOCK_EVT_MODE_UNUSED, evt);
        if (mct_int_type == MCT_INT_SPI) {
                if (evt->irq != -1)
@@ -500,11 +500,11 @@ static int exynos4_mct_cpu_notify(struct notifier_block *self,
        switch (action & ~CPU_TASKS_FROZEN) {
        case CPU_STARTING:
                mevt = this_cpu_ptr(&percpu_mct_tick);
-               exynos4_local_timer_setup(&mevt->evt);
+               exynos4_local_timer_setup(mevt);
                break;
        case CPU_DYING:
                mevt = this_cpu_ptr(&percpu_mct_tick);
-               exynos4_local_timer_stop(&mevt->evt);
+               exynos4_local_timer_stop(mevt);
                break;
        }
 
@@ -570,7 +570,7 @@ static void __init exynos4_timer_resources(struct device_node *np, void __iomem
                goto out_irq;
 
        /* Immediately configure the timer on the boot CPU */
-       exynos4_local_timer_setup(&mevt->evt);
+       exynos4_local_timer_setup(mevt);
        return;
 
 out_irq: