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-rw-r--r--kernel/irq/irqdomain.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index b1f774c..d3968e9 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -205,7 +205,8 @@ struct irq_domain *irq_domain_add_legacy(struct device_node *of_node,
* one can then use irq_create_mapping() to
* explicitly change them
*/
- ops->map(domain, irq, hwirq);
+ if (ops->map)
+ ops->map(domain, irq, hwirq);
/* Clear norequest flags */
irq_clear_status_flags(irq, IRQ_NOREQUEST);
@@ -340,8 +341,8 @@ static int irq_setup_virq(struct irq_domain *domain, unsigned int virq,
irq_data->hwirq = hwirq;
irq_data->domain = domain;
- if (domain->ops->map(domain, virq, hwirq)) {
- pr_debug("irq-%i==>hwirq-0x%lx mapping failed\n", virq, hwirq);
+ if (domain->ops->map && domain->ops->map(domain, virq, hwirq)) {
+ pr_err("irq-%i==>hwirq-0x%lx mapping failed\n", virq, hwirq);
irq_data->domain = NULL;
irq_data->hwirq = 0;
return -1;
@@ -763,12 +764,6 @@ static int __init irq_debugfs_init(void)
__initcall(irq_debugfs_init);
#endif /* CONFIG_IRQ_DOMAIN_DEBUG */
-static int irq_domain_simple_map(struct irq_domain *d, unsigned int irq,
- irq_hw_number_t hwirq)
-{
- return 0;
-}
-
/**
* irq_domain_xlate_onecell() - Generic xlate for direct one cell bindings
*
@@ -831,7 +826,6 @@ int irq_domain_xlate_onetwocell(struct irq_domain *d,
EXPORT_SYMBOL_GPL(irq_domain_xlate_onetwocell);
const struct irq_domain_ops irq_domain_simple_ops = {
- .map = irq_domain_simple_map,
.xlate = irq_domain_xlate_onetwocell,
};
EXPORT_SYMBOL_GPL(irq_domain_simple_ops);
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