2019-09-05 16:25:29

by Jiaxun Yang

[permalink] [raw]
Subject: [PATCH v2 04/19] irqchip: Export generic chip domain map/unmap functions

Export irq_map_generic_chip, irq_unmap_generic_chip so drivers
can use them to construct their own generic chip domain ops.

Signed-off-by: Jiaxun Yang <[email protected]>
---
include/linux/irq.h | 1 +
kernel/irq/generic-chip.c | 4 +++-
2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/linux/irq.h b/include/linux/irq.h
index fb301cf29148..3637c24046e1 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -1060,6 +1060,7 @@ 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);
diff --git a/kernel/irq/generic-chip.c b/kernel/irq/generic-chip.c
index e2999a070a99..211b15c0d647 100644
--- a/kernel/irq/generic-chip.c
+++ b/kernel/irq/generic-chip.c
@@ -423,8 +423,9 @@ 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);

-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;
@@ -443,6 +444,7 @@ static void irq_unmap_generic_chip(struct irq_domain *d, unsigned int virq)
NULL);

}
+EXPORT_SYMBOL_GPL(irq_unmap_generic_chip);

struct irq_domain_ops irq_generic_chip_ops = {
.map = irq_map_generic_chip,
--
2.22.0