probe_irq_on() only returns non-zero if it found any interrupts below
IRQ32 which could be probe candidates.  If all the probable interrupts
are higher than 32, then this will cause a failure.  Fix this.

Signed-off-by: Russell King <redacted>
---
 drivers/mfd/ucb1x00-core.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c
index 9ab9ec47ea75..48bea5038654 100644
--- a/drivers/mfd/ucb1x00-core.c
+++ b/drivers/mfd/ucb1x00-core.c

@@ -446,10 +446,6 @@ static int ucb1x00_detect_irq(struct ucb1x00 *ucb)
 	unsigned long mask;
 
 	mask = probe_irq_on();
-	if (!mask) {
-		probe_irq_off(mask);
-		return NO_IRQ;
-	}
 
 	/*
 	 * Enable the ADC interrupt.

-- 
2.1.0