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ARM: at91/pit: add traces in case of error

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Traces related to IRQ management are useful for timers in case of
non-working IRQ subsystem (switch to irq_domain for instance).

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
This commit is contained in:
Nicolas Ferre 2012-02-17 11:54:29 +01:00
parent 23fa648fd3
commit 986c265729
1 changed files with 7 additions and 2 deletions
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9
arch/arm/mach-at91/at91sam926x_time.c
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@ -174,8 +174,10 @@ static int __init of_at91sam926x_pit_init(void)
/* Get the interrupts property */
ret = irq_of_parse_and_map(np, 0);
if (!ret)
if (!ret) {
pr_crit("AT91: PIT: Unable to get IRQ from DT\n");
goto ioremap_err;
}
at91sam926x_pit_irq.irq = ret;
of_node_put(np);
@ -203,6 +205,7 @@ static void __init at91sam926x_pit_init(void)
{
unsigned long pit_rate;
unsigned bits;
int ret;
/* For device tree enabled device: initialize here */
of_at91sam926x_pit_init();
@ -227,7 +230,9 @@ static void __init at91sam926x_pit_init(void)
clocksource_register_hz(&pit_clk, pit_rate);
/* Set up irq handler */
setup_irq(at91sam926x_pit_irq.irq, &at91sam926x_pit_irq);
ret = setup_irq(at91sam926x_pit_irq.irq, &at91sam926x_pit_irq);
if (ret)
pr_crit("AT91: PIT: Unable to setup IRQ\n");
/* Set up and register clockevents */
pit_clkevt.mult = div_sc(pit_rate, NSEC_PER_SEC, pit_clkevt.shift);