Commit 5a688c45 authored Aug 20, 2015 by Matt Redfearn Committed by Lee Jones Aug 24, 2015

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 <matt.redfearn@imgtec.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

parent a78ea195

drivers/mfd/jz4740-adc.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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;