From: Douglas Anderson <[email protected]> This goes with the new irq_suspend_one() and irq_resume_one() callbacks and allow us to easily pass things up to our parent.
Signed-off-by: Douglas Anderson <[email protected]> Signed-off-by: Maulik Shah <[email protected]> --- include/linux/irq.h | 2 ++ kernel/irq/chip.c | 28 ++++++++++++++++++++++++++++ 2 files changed, 30 insertions(+) diff --git a/include/linux/irq.h b/include/linux/irq.h index 8d37b32..4188f50 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -679,6 +679,8 @@ extern int irq_chip_set_affinity_parent(struct irq_data *data, const struct cpumask *dest, bool force); extern int irq_chip_set_wake_parent(struct irq_data *data, unsigned int on); +extern void irq_chip_suspend_one_parent(struct irq_data *data); +extern void irq_chip_resume_one_parent(struct irq_data *data); extern int irq_chip_set_vcpu_affinity_parent(struct irq_data *data, void *vcpu_info); extern int irq_chip_set_type_parent(struct irq_data *data, unsigned int type); diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index caf80c1..5039311 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -1519,6 +1519,34 @@ int irq_chip_set_wake_parent(struct irq_data *data, unsigned int on) EXPORT_SYMBOL_GPL(irq_chip_set_wake_parent); /** + * irq_chip_suspend_one_parent - Call irq_suspend_one() on our parent. + * @data: Pointer to interrupt specific data + * + * Conditional, as the underlying parent chip might not implement it. + */ +void irq_chip_suspend_one_parent(struct irq_data *data) +{ + data = data->parent_data; + if (data->chip->irq_suspend_one) + data->chip->irq_suspend_one(data); +} +EXPORT_SYMBOL_GPL(irq_chip_suspend_one_parent); + +/** + * irq_chip_resume_one_parent - Call irq_resume_one() on our parent. + * @data: Pointer to interrupt specific data + * + * Conditional, as the underlying parent chip might not implement it. + */ +void irq_chip_resume_one_parent(struct irq_data *data) +{ + data = data->parent_data; + if (data->chip->irq_resume_one) + data->chip->irq_resume_one(data); +} +EXPORT_SYMBOL_GPL(irq_chip_resume_one_parent); + +/** * irq_chip_request_resources_parent - Request resources on the parent interrupt * @data: Pointer to interrupt specific data */ -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation
