x86: ACPI: Make mp_config_acpi_gsi() a void function

Because the return value of mp_config_acpi_gsi() is not use, change it
into a void function.

Signed-off-by: Li kunyu <kunyu@nfschina.com>
[ rjw: Subject and changelog rewrite ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 0d01e7f5078c25a6b9d1c933691cebe3b6b30240..7e32e33d52fafc23216b2152aeb92f39ba96ada1 100644 (file)
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -375,7 +375,7 @@ static void __init mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger,
        isa_irq_to_gsi[bus_irq] = gsi;
 }
 
-static int mp_config_acpi_gsi(struct device *dev, u32 gsi, int trigger,
+static void mp_config_acpi_gsi(struct device *dev, u32 gsi, int trigger,
                        int polarity)
 {
 #ifdef CONFIG_X86_MPPARSE
@@ -387,9 +387,9 @@ static int mp_config_acpi_gsi(struct device *dev, u32 gsi, int trigger,
        u8 pin;
 
        if (!acpi_ioapic)
-               return 0;
+               return;
        if (!dev || !dev_is_pci(dev))
-               return 0;
+               return;
 
        pdev = to_pci_dev(dev);
        number = pdev->bus->number;
@@ -408,7 +408,6 @@ static int mp_config_acpi_gsi(struct device *dev, u32 gsi, int trigger,
 
        mp_save_irq(&mp_irq);
 #endif
-       return 0;
 }
 
 static int __init mp_register_ioapic_irq(u8 bus_irq, u8 polarity,