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nios2: fix error handling of irq_of_parse_and_map

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Return value of irq_of_parse_and_map() is unsigned int, with 0
indicating failure, so testing for negative result never works.

Signed-off-by: Dmitry Torokhov <dtor@chromium.org>
Reviewed-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Ley Foon Tan <lftan@altera.com>
This commit is contained in:
Dmitry Torokhov 2014-11-17 18:36:23 +08:00 committed by Ley Foon Tan
parent ac8ab8dd95
commit b29438f22c
1 changed files with 1 additions and 1 deletions
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2
arch/nios2/kernel/time.c
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@ -228,7 +228,7 @@ static __init void nios2_clockevent_init(struct device_node *timer)
nios2_timer_get_base_and_freq(timer, &iobase, &freq);
irq = irq_of_parse_and_map(timer, 0);
if (irq < 0)
if (!irq)
panic("Unable to parse timer irq\n");
nios2_ce.timer.base = iobase;