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Commit 986c2657 authored by Nicolas Ferre's avatar Nicolas Ferre
Browse files

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



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: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
parent 23fa648f

arch/arm/mach-at91/at91sam926x_time.c

+7 −2
Original line number Diff line number Diff line
@@ -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);