--- zzzz-none-000/linux-3.18.24/kernel/irq/Kconfig	2015-10-31 20:39:51.000000000 +0000
+++ rtl96-5690pro-762/linux-3.18.24/kernel/irq/Kconfig	2024-08-14 08:36:37.000000000 +0000
@@ -55,6 +55,21 @@
 config IRQ_DOMAIN
 	bool
 
+# Support for hierarchical irq domains
+config IRQ_DOMAIN_HIERARCHY
+	bool
+	select IRQ_DOMAIN
+
+# Generic MSI interrupt support
+config GENERIC_MSI_IRQ
+	bool
+
+# Generic MSI hierarchical interrupt domain support
+config GENERIC_MSI_IRQ_DOMAIN
+	bool
+	select IRQ_DOMAIN_HIERARCHY
+	select GENERIC_MSI_IRQ
+
 config HANDLE_DOMAIN_IRQ
 	bool