[ACPI] fix IA64 build warning

from Martin Hicks

diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index 28ffe3793400b0c09782d52af8500e4ca4beab0d..9dbc354ba51822b866a7acad8aabc1a4cc367d9a 100644 (file)
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -315,7 +315,6 @@ acpi_pci_irq_enable (
 {
        int                     irq = 0;
        u8                      pin = 0;
-       static u16              irq_mask = 0;
 
        ACPI_FUNCTION_TRACE("acpi_pci_irq_enable");
 
@@ -372,10 +371,13 @@ acpi_pci_irq_enable (
         * Make sure all (legacy) PCI IRQs are set as level-triggered.
         */
 #ifdef CONFIG_X86
-       if ((dev->irq < 16) &&  !((1 << dev->irq) & irq_mask)) {
-               ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Setting IRQ %d as level-triggered\n", dev->irq));
-               irq_mask |= (1 << dev->irq);
-               eisa_set_level_irq(dev->irq);
+       {
+               static u16 irq_mask;
+               if ((dev->irq < 16) &&  !((1 << dev->irq) & irq_mask)) {
+                       ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Setting IRQ %d as level-triggered\n", dev->irq));
+                       irq_mask |= (1 << dev->irq);
+                       eisa_set_level_irq(dev->irq);
+               }
        }
 #endif
 #ifdef CONFIG_IOSAPIC