[PATCH v4 6/6] GPIO: pca953x.c: Add missing irq_mask_ack handler in struct irq_chip

[David Jander]

Either .irq_mask_ack or .irq_ack need to be filled in, otherwise in
kernel/irq/chip.c: mask_ack_irq() a non-initialized handler is called.

Signed-off-by: David Jander <david@xxxxxxxxxxx>
---
 drivers/gpio/pca953x.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c
index dfed81f..b476c1c 100644
--- a/drivers/gpio/pca953x.c
+++ b/drivers/gpio/pca953x.c
@@ -379,6 +379,7 @@ static int pca953x_irq_set_type(struct irq_data *d, unsigned int type)
 static struct irq_chip pca953x_irq_chip = {
 	.name			= "pca953x",
 	.irq_mask		= pca953x_irq_mask,
+	.irq_mask_ack		= pca953x_irq_mask,
 	.irq_unmask		= pca953x_irq_unmask,
 	.irq_bus_lock		= pca953x_irq_bus_lock,
 	.irq_bus_sync_unlock	= pca953x_irq_bus_sync_unlock,
-- 
1.7.4.1

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