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@vger.kernel.org>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/clocksource/dw_apb_timer_of.c b/drivers/clocksource/dw_apb_timer_of.c
index ab09ed3742ee..6b02eddc5f50 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);