Messages in this thread Patch in this message | | | From | Yingjoe Chen <> | Subject | [PATCH v5 2/6] genirq: Add more helper functions to support stacked irq_chip | Date | Wed, 29 Oct 2014 18:00:20 +0800 |
| |
Add more helper function for stacked irq_chip to just call parent's function.
Signed-off-by: Yingjoe Chen <yingjoe.chen@mediatek.com> --- include/linux/irq.h | 6 ++++++ kernel/irq/chip.c | 28 ++++++++++++++++++++++++++++ 2 files changed, 34 insertions(+)
diff --git a/include/linux/irq.h b/include/linux/irq.h index 0adcbbb..ff0a89c 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -445,6 +445,12 @@ extern void handle_nested_irq(unsigned int irq); #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY extern void irq_chip_ack_parent(struct irq_data *data); +extern void irq_chip_mask_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, + const struct cpumask *dest, + bool force); extern int irq_chip_retrigger_hierarchy(struct irq_data *data); #endif diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 12f3e72..fe53575 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -858,6 +858,34 @@ void irq_chip_ack_parent(struct irq_data *data) data->chip->irq_ack(data); } +void irq_chip_mask_parent(struct irq_data *data) +{ + data = data->parent_data; + data->chip->irq_mask(data); +} + +void irq_chip_unmask_parent(struct irq_data *data) +{ + data = data->parent_data; + data->chip->irq_unmask(data); +} + +void irq_chip_eoi_parent(struct irq_data *data) +{ + data = data->parent_data; + data->chip->irq_eoi(data); +} + +int irq_chip_set_affinity_parent(struct irq_data *data, + const struct cpumask *dest, bool force) +{ + data = data->parent_data; + if (data->chip->irq_set_affinity) + return data->chip->irq_set_affinity(data, dest, force); + + return -ENOSYS; +} + int irq_chip_retrigger_hierarchy(struct irq_data *data) { for (data = data->parent_data; data; data = data->parent_data) -- 1.8.1.1.dirty
| |