2 files changed, 16 insertions, 11 deletions

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 127b8718abfb..73ec92838d83 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -4082,22 +4082,27 @@ int __init io_apic_get_version(int ioapic)
         return reg_01.bits.version;
 }
 
-int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity)
+int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
 {
-        int i;
+        int ioapic, pin, idx;
 
         if (skip_ioapic_setup)
                 return -1;
 
-        for (i = 0; i < mp_irq_entries; i++)
-                if (mp_irqs[i].irqtype == mp_INT &&
-                    mp_irqs[i].srcbusirq == bus_irq)
-                        break;
-        if (i >= mp_irq_entries)
+        ioapic = mp_find_ioapic(gsi);
+        if (ioapic < 0)
+                return -1;
+
+        pin = mp_find_ioapic_pin(ioapic, gsi);
+        if (pin < 0)
+                return -1;
+
+        idx = find_irq_entry(ioapic, pin, mp_INT);
+        if (idx < 0)
                 return -1;
 
-        *trigger = irq_trigger(i);
-        *polarity = irq_polarity(i);
+        *trigger = irq_trigger(idx);
+        *polarity = irq_polarity(idx);
         return 0;
 }
 
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 7a937dabcc4a..3da73f5f0ae9 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -119,9 +119,9 @@ int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
 
 #ifdef CONFIG_X86_IO_APIC
-extern int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity);
+extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
 #else
-#define acpi_get_override_irq(bus, trigger, polarity) (-1)
+#define acpi_get_override_irq(gsi, trigger, polarity) (-1)
 #endif
 /*
  * This function undoes the effect of one call to acpi_register_gsi().