From 5a688c455066c21c133bc8ffa7b11f8c66b7fe0b Mon Sep 17 00:00:00 2001 From: Matt Redfearn Date: Thu, 20 Aug 2015 11:30:32 +0100 Subject: [PATCH] mfd: jz4740-adc: Init mask cache in generic IRQ chip 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 Signed-off-by: Lee Jones --- drivers/mfd/jz4740-adc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c index 408291ce8af2..5bb49f08955d 100644 --- a/drivers/mfd/jz4740-adc.c +++ b/drivers/mfd/jz4740-adc.c @@ -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; -- 2.20.1