clocksource/drivers/timer-atmel-pit: Remove uselesss WARN_ON_ONCE

IRQ handlers are running with IRQ disabled for a while, remove wrong
comment and useless test.

Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

diff --git a/drivers/clocksource/timer-atmel-pit.c b/drivers/clocksource/timer-atmel-pit.c
index da7e6d4eef4db83c0ec46069a9d12ebfb1d38f33..91cf04704ed14455ba698d26f0b62949888d1f29 100644 (file)
--- a/drivers/clocksource/timer-atmel-pit.c
+++ b/drivers/clocksource/timer-atmel-pit.c
@@ -149,12 +149,6 @@ static irqreturn_t at91sam926x_pit_interrupt(int irq, void *dev_id)
 {
        struct pit_data *data = dev_id;
 
-       /*
-        * irqs should be disabled here, but as the irq is shared they are only
-        * guaranteed to be off if the timer irq is registered first.
-        */
-       WARN_ON_ONCE(!irqs_disabled());
-
        /* The PIT interrupt may be disabled, and is shared */
        if (clockevent_state_periodic(&data->clkevt) &&
            (pit_read(data->base, AT91_PIT_SR) & AT91_PIT_PITS)) {