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ARM: at91: PIT: use request_irq instead of setup_irq

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We can use the generic request_irq now to register a timer interrupt handler,
instead of the more complex setup_irq.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
This commit is contained in:
Maxime Ripard 2014-07-01 11:33:22 +02:00 committed by Nicolas Ferre
parent cffbfe63ec
commit 7f282e0137
1 changed files with 6 additions and 14 deletions
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20
arch/arm/mach-at91/at91sam926x_time.c
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@ -173,16 +173,10 @@ static irqreturn_t at91sam926x_pit_interrupt(int irq, void *dev_id)
return IRQ_NONE;
}
static struct irqaction at91sam926x_pit_irq = {
.name = "at91_tick",
.flags = IRQF_SHARED | IRQF_TIMER | IRQF_IRQPOLL,
.handler = at91sam926x_pit_interrupt,
};
/*
* Set up both clocksource and clockevent support.
*/
static void __init at91sam926x_pit_common_init(void)
static void __init at91sam926x_pit_common_init(unsigned int pit_irq)
{
unsigned long pit_rate;
unsigned bits;
@ -208,7 +202,9 @@ static void __init at91sam926x_pit_common_init(void)
clocksource_register_hz(&pit_clk, pit_rate);
/* Set up irq handler */
ret = setup_irq(at91sam926x_pit_irq.irq, &at91sam926x_pit_irq);
ret = request_irq(pit_irq, at91sam926x_pit_interrupt,
IRQF_SHARED | IRQF_TIMER | IRQF_IRQPOLL,
"at91_tick", pit_base_addr);
if (ret)
panic(pr_fmt("Unable to setup IRQ\n"));
@ -239,9 +235,7 @@ static void __init at91sam926x_pit_dt_init(struct device_node *node)
if (!irq)
panic(pr_fmt("Unable to get IRQ from DT\n"));
at91sam926x_pit_irq.irq = irq;
at91sam926x_pit_common_init();
at91sam926x_pit_common_init(irq);
}
CLOCKSOURCE_OF_DECLARE(at91sam926x_pit, "atmel,at91sam9260-pit",
at91sam926x_pit_dt_init);
@ -252,9 +246,7 @@ void __init at91sam926x_pit_init(void)
if (IS_ERR(mck))
panic(pr_fmt("Unable to get mck clk\n"));
at91sam926x_pit_irq.irq = NR_IRQS_LEGACY + AT91_ID_SYS;
at91sam926x_pit_common_init();
at91sam926x_pit_common_init(NR_IRQS_LEGACY + AT91_ID_SYS);
}
void __init at91sam926x_ioremap_pit(u32 addr)