[tip:timers/core] clocksource: dw_apb: Fix error check

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Commit-ID:  1a33bd2be705cbb3f57d7223b60baea441039307
Gitweb:     http://git.kernel.org/tip/1a33bd2be705cbb3f57d7223b60baea441039307
Author:     Baruch Siach <baruch@xxxxxxxxxx>
AuthorDate: Wed, 29 May 2013 10:11:17 +0200
Committer:  Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
CommitDate: Thu, 6 Jun 2013 17:23:13 +0200

clocksource: dw_apb: Fix error check

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@xxxxxxxxxxxxxxx>
Signed-off-by: Baruch Siach <baruch@xxxxxxxxxx>
Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
---
 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 ab09ed3..6b02edd 100644
--- a/drivers/clocksource/dw_apb_timer_of.c
+++ b/drivers/clocksource/dw_apb_timer_of.c
@@ -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);
--
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