[PATCH v3 2/7] genirq: Add more helper functions to support stacked irq_chip
From: Joe.C <hidden>
Date: 2014-10-09 14:29:35
Also in:
linux-arm-kernel
Subsystem:
irq subsystem, the rest · Maintainers:
Thomas Gleixner, Linus Torvalds
From: "Joe.C" <redacted> Add more helper function for stacked irq_chip to just call parent's function. Signed-off-by: Joe.C <redacted> --- include/linux/irq.h | 5 +++++ kernel/irq/chip.c | 28 ++++++++++++++++++++++++++++ 2 files changed, 33 insertions(+)
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 07abf5a..6159256 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h@@ -437,6 +437,11 @@ 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 58ed9ed..0ecc270 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c@@ -829,6 +829,34 @@ 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