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Commit a5152c8a authored by Boris Brezillon's avatar Boris Brezillon Committed by Jason Cooper
Browse files

genirq: generic chip: Export irq_map_generic_chip function 



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: default avatarBoris BREZILLON <boris.brezillon@free-electrons.com>
Acked-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/1405012462-766-2-git-send-email-boris.brezillon@free-electrons.com


Signed-off-by: default avatarJason Cooper <jason@lakedaemon.net>
parent 7171511e

include/linux/irq.h

+2 −0
Original line number Diff line number Diff line
@@ -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);

kernel/irq/generic-chip.c

+3 −2
Original line number Diff line number Diff line
@@ -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,