1 files changed, 8 insertions, 1 deletions

diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 054a5f5548b0..db2773c6defd 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -447,6 +447,12 @@ void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger)
 int acpi_gsi_to_irq(u32 gsi, unsigned int *irq)
 {
         *irq = gsi;
+
+#ifdef CONFIG_X86_IO_APIC
+        if (acpi_irq_model == ACPI_IRQ_MODEL_IOAPIC)
+                setup_IO_APIC_irq_extra(gsi);
+#endif
+
         return 0;
 }
 
@@ -474,7 +480,8 @@ int acpi_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity)
                 plat_gsi = mp_register_gsi(dev, gsi, trigger, polarity);
         }
 #endif
-        acpi_gsi_to_irq(plat_gsi, &irq);
+        irq = plat_gsi;
+
         return irq;
 }