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Subject[PATCH v4 1/7] genirq: generic chip: export irq_map_generic_chip function
Date
Export the generic irq map function in order to provide irq_domain ops with
generic mapping and specific of xlate function (needed by the new atmel
AIC driver).

Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
---
include/linux/irq.h | 2 ++
kernel/irq/generic-chip.c | 5 +++--
2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 0d998d8..62af592 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -771,6 +771,8 @@ void irq_gc_eoi(struct irq_data *d);
int irq_gc_set_wake(struct irq_data *d, unsigned int on);

/* Setup functions for irq_chip_generic */
+int irq_map_generic_chip(struct irq_domain *d, unsigned int virq,
+ irq_hw_number_t hw_irq);
struct irq_chip_generic *
irq_alloc_generic_chip(const char *name, int nr_ct, unsigned int irq_base,
void __iomem *reg_base, irq_flow_handler_t handler);
diff --git a/kernel/irq/generic-chip.c b/kernel/irq/generic-chip.c
index 452d6f2..cf80e7b 100644
--- a/kernel/irq/generic-chip.c
+++ b/kernel/irq/generic-chip.c
@@ -341,8 +341,8 @@ static struct lock_class_key irq_nested_lock_class;
/*
* irq_map_generic_chip - Map a generic chip for an irq domain
*/
-static int irq_map_generic_chip(struct irq_domain *d, unsigned int virq,
- irq_hw_number_t hw_irq)
+int irq_map_generic_chip(struct irq_domain *d, unsigned int virq,
+ irq_hw_number_t hw_irq)
{
struct irq_data *data = irq_get_irq_data(virq);
struct irq_domain_chip_generic *dgc = d->gc;
@@ -394,6 +394,7 @@ static int irq_map_generic_chip(struct irq_domain *d, unsigned int virq,
irq_modify_status(virq, dgc->irq_flags_to_clear, dgc->irq_flags_to_set);
return 0;
}
+EXPORT_SYMBOL_GPL(irq_map_generic_chip);

struct irq_domain_ops irq_generic_chip_ops = {
.map = irq_map_generic_chip,
--
1.8.3.2


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