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genirq: generic chip: Export irq_map_generic_chip function

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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>
Link: https://lkml.kernel.org/r/1405012462-766-2-git-send-email-boris.brezillon@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This commit is contained in:
Boris BREZILLON 2014-07-10 19:14:16 +02:00 • committed by Jason Cooper
commit a5152c8a12
2 changed files with 5 additions and 2 deletions
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2
include/linux/irq.h
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@ -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);

3
kernel/irq/generic-chip.c
View file

@ -341,7 +341,7 @@ 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,
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);
@ -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,