x86, acpi/irq: Introduce apci_isa_irq_to_gsi

[pandora-kernel.git] / arch / x86 / kernel / acpi / boot.c

diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index cd40aba..da718d6 100644 (file)
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -458,6 +458,14 @@ int acpi_gsi_to_irq(u32 gsi, unsigned int *irq)
        return 0;
 }
 
+int acpi_isa_irq_to_gsi(unsigned isa_irq, u32 *gsi)
+{
+       if (isa_irq >= 16)
+               return -1;
+       *gsi = isa_irq;
+       return 0;
+}
+
 /*
  * success: return IRQ number (>=0)
  * failure: return < 0