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Subject[PATCH] clocksource: dw_apb: fix error check
Date
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.

Cc: <stable@vger.kernel.org>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
---
drivers/clocksource/dw_apb_timer_of.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clocksource/dw_apb_timer_of.c b/drivers/clocksource/dw_apb_timer_of.c
index 9fdb4d3..843d43b 100644
--- a/drivers/clocksource/dw_apb_timer_of.c
+++ b/drivers/clocksource/dw_apb_timer_of.c
@@ -47,7 +47,7 @@ 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);
--
1.7.10.4


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