Commit d319a299 authored by Jianmin Lv's avatar Jianmin Lv Committed by Marc Zyngier
Browse files

genirq/generic_chip: Export irq_unmap_generic_chip 



Some irq controllers have to re-implement a private version for
irq_generic_chip_ops, because they have a different xlate to translate
hwirq. Export irq_unmap_generic_chip to allow reusing in drivers.

Signed-off-by: default avatarJianmin Lv <lvjianmin@loongson.cn>
Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/1658314292-35346-5-git-send-email-lvjianmin@loongson.cn
parent 744b9a0c

include/linux/irq.h

+1 −0
Original line number Diff line number Diff line
@@ -1121,6 +1121,7 @@ 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);

void irq_unmap_generic_chip(struct irq_domain *d, unsigned int virq);

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

+1 −1
Original line number Diff line number Diff line
@@ -431,7 +431,7 @@ int irq_map_generic_chip(struct irq_domain *d, unsigned int virq, 
	return 0;

}



static void irq_unmap_generic_chip(struct irq_domain *d, unsigned int virq)

void irq_unmap_generic_chip(struct irq_domain *d, unsigned int virq)

{

	struct irq_data *data = irq_domain_get_irq_data(d, virq);

	struct irq_domain_chip_generic *dgc = d->gc;