We should use ack_invert as the int_read_and_clear() in the Motorola
kernel tree does "ireg_val & ~mreg_val" before writing to the mask
register.
Fixes: 56e1d40d3bea ("mfd: cpcap: Add minimal support")
Cc: Charles Keepax <[email protected]>
Cc: Marcel Partap <[email protected]>
Cc: Michael Scott <[email protected]>
Tested-by: Sebastian Reichel <[email protected]>
Signed-off-by: Tony Lindgren <[email protected]>
---
drivers/mfd/motorola-cpcap.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/mfd/motorola-cpcap.c b/drivers/mfd/motorola-cpcap.c
--- a/drivers/mfd/motorola-cpcap.c
+++ b/drivers/mfd/motorola-cpcap.c
@@ -71,6 +71,7 @@ static struct regmap_irq_chip
cpcap_irq_chip[CPCAP_NR_IRQ_CHIPS] = {
.ack_base = CPCAP_REG_MI1,
.mask_base = CPCAP_REG_MIM1,
.use_ack = true,
+ .ack_invert = true,
},
{
.name = "cpcap-m2",
@@ -79,6 +80,7 @@ static struct regmap_irq_chip
cpcap_irq_chip[CPCAP_NR_IRQ_CHIPS] = {
.ack_base = CPCAP_REG_MI2,
.mask_base = CPCAP_REG_MIM2,
.use_ack = true,
+ .ack_invert = true,
},
{
.name = "cpcap1-4",
@@ -88,6 +90,7 @@ static struct regmap_irq_chip
cpcap_irq_chip[CPCAP_NR_IRQ_CHIPS] = {
.mask_base = CPCAP_REG_INTM1,
.type_base = CPCAP_REG_INTS1,
.use_ack = true,
+ .ack_invert = true,
},
};
--
2.12.2
