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

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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>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Russell King 2016-08-30 12:00:25 +01:00 committed by Lee Jones
parent 3526403353
commit 09185a5999
1 changed files with 0 additions and 4 deletions
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4
drivers/mfd/ucb1x00-core.c
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@ -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.