#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_address.h>
+#include <linux/of_irq.h>
#include <asm/mach/time.h>
#include <mach/mcs814x.h>
return IRQ_HANDLED;
}
-static struct irqaction mcs814x_timer_irq = {
- .name = "mcs814x-timer",
- .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
- .handler = mcs814x_timer_interrupt,
-};
-
static struct of_device_id mcs814x_timer_ids[] = {
{ .compatible = "moschip,mcs814x-timer" },
{ /* sentinel */ },
};
-static void __init mcs814x_of_timer_init(void)
+static int __init mcs814x_of_timer_init(void)
{
struct device_node *np;
- const unsigned int *intspec;
+ int irq;
np = of_find_matching_node(NULL, mcs814x_timer_ids);
if (!np)
if (!mcs814x_timer_base)
panic("unable to remap timer cpu registers");
- intspec = of_get_property(np, "interrupts", NULL);
- if (!intspec)
- panic("no interrupts property for timer");
+ irq = irq_of_parse_and_map(np, 0);
+ if (!irq)
+ panic("no interrupts property/mapping failed for timer");
- mcs814x_timer_irq.irq = be32_to_cpup(intspec);
+ return irq;
}
void __init mcs814x_timer_init(void)
{
struct clk *clk;
+ int irq;
arch_gettimeoffset = mcs814x_gettimeoffset;
clock_rate = clk_get_rate(clk);
- mcs814x_of_timer_init();
+ irq = mcs814x_of_timer_init();
pr_info("Timer frequency: %d (kHz)\n", clock_rate / 1000);
writel_relaxed(timer_reload_value, mcs814x_timer_base + TIMER_VAL);
last_reload = timer_reload_value;
- setup_irq(mcs814x_timer_irq.irq, &mcs814x_timer_irq);
+ if (request_irq(irq, mcs814x_timer_interrupt,
+ IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
+ "mcs814x-timer", NULL))
+ panic("unable to request timer0 irq %d", irq);
+
/* enable timer, stop timer in debug mode */
writel_relaxed(TIMER_CTL_EN | TIMER_CTL_DBG,
mcs814x_timer_base + TIMER_CTL);