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-rw-r--r--kernel/irq/irqdomain.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index dd822fd8a7d5..7a8808c8dfec 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -987,6 +987,23 @@ const struct irq_domain_ops irq_domain_simple_ops = {
EXPORT_SYMBOL_GPL(irq_domain_simple_ops);
/**
+ * irq_domain_translate_onecell() - Generic translate for direct one cell
+ * bindings
+ */
+int irq_domain_translate_onecell(struct irq_domain *d,
+ struct irq_fwspec *fwspec,
+ unsigned long *out_hwirq,
+ unsigned int *out_type)
+{
+ if (WARN_ON(fwspec->param_count < 1))
+ return -EINVAL;
+ *out_hwirq = fwspec->param[0];
+ *out_type = IRQ_TYPE_NONE;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(irq_domain_translate_onecell);
+
+/**
* irq_domain_translate_twocell() - Generic translate for direct two cell
* bindings
*