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clocksource: dw_apb: Fix error check

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commit 1a33bd2be7 upstream.

irq_of_parse_and_map() returns 0 on error, while the code checks for NO_IRQ.
This breaks on platforms that have NO_IRQ != 0.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Baruch Siach 2013-05-29 10:11:17 +02:00 committed by Greg Kroah-Hartman
parent 084c895d3c
commit f707f7ae37
1 changed files with 1 additions and 1 deletions
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2
drivers/clocksource/dw_apb_timer_of.c
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@ -44,7 +44,7 @@ static void add_clockevent(struct device_node *event_timer)
u32 irq, rate;
irq = irq_of_parse_and_map(event_timer, 0);
if (irq == NO_IRQ)
if (irq == 0)
panic("No IRQ for clock event timer");
timer_get_base_and_rate(event_timer, &iobase, &rate);