[PATCH 1/8] mfd: ucb1x00: allow IRQ probing to work with IRQs > 32

Russell King
2016-08-30T11:00:25Z

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 <rmk+kernel@armlinux.org.uk>
---
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