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genirq: introduce irq_chip_mask_ack_parent()

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The hierarchical irqchip never before ran into a situation
where the parent is not "simple", i.e. does not implement
.irq_ack() and .irq_mask() like most, but the qcom-pm8xxx.c
happens to implement only .irq_mask_ack().

Since we want to make ssbi-gpio a hierarchical child of this
irqchip, it must *also* only implement .irq_mask_ack()
and call down to the parent, and for this we of course
need irq_chip_mask_ack_parent().

Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2019-02-07 21:16:23 -05:00
parent b5c231d8c8
commit 5aa5bd563c
2 changed files with 12 additions and 0 deletions
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1
include/linux/irq.h
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@ -605,6 +605,7 @@ extern void irq_chip_disable_parent(struct irq_data *data);
extern void irq_chip_ack_parent(struct irq_data *data);
extern int irq_chip_retrigger_hierarchy(struct irq_data *data);
extern void irq_chip_mask_parent(struct irq_data *data);
extern void irq_chip_mask_ack_parent(struct irq_data *data);
extern void irq_chip_unmask_parent(struct irq_data *data);
extern void irq_chip_eoi_parent(struct irq_data *data);
extern int irq_chip_set_affinity_parent(struct irq_data *data,