mfd: ucb1x00: Allow IRQ probing to work with IRQs > 32

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 <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
This commit is contained in:
Russell King 2016-08-30 12:00:25 +01:00 • committed by Lee Jones
commit 09185a5999

View file

@ -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.