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 <[email protected]> --- 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 ae2ad8ad0e2f..e8699c0cdae6 100644 --- a/drivers/mfd/jz4740-adc.c +++ b/drivers/mfd/jz4740-adc.c @@ -276,7 +276,8 @@ 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; -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
