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mfd: jz4740-adc: Init mask cache in generic IRQ chip

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The mask cache must be initialised in the generic IRQ chip,
otherwise enabling one channel will actually enable all
channels when the empty mask cache is written.

Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Matt Redfearn 2015-08-20 11:30:32 +01:00 committed by Lee Jones
parent a78ea195f7
commit 5a688c4550
1 changed files with 2 additions and 1 deletions
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3
drivers/mfd/jz4740-adc.c
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@ -273,7 +273,8 @@ static int jz4740_adc_probe(struct platform_device *pdev)
ct->chip.irq_unmask = irq_gc_mask_clr_bit;
ct->chip.irq_ack = irq_gc_ack_set_bit;
irq_setup_generic_chip(gc, IRQ_MSK(5), 0, 0, IRQ_NOPROBE | IRQ_LEVEL);
irq_setup_generic_chip(gc, IRQ_MSK(5), IRQ_GC_INIT_MASK_CACHE, 0,
IRQ_NOPROBE | IRQ_LEVEL);
adc->gc = gc;