x86: cpu_index build fix

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / i8259.c

diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c
index dc92b49d9204d59d181bcaf01c434446d55de39a..4b8a53d841f7a1c71e75eb85a9fe4ecacb17d4b3 100644 (file)
--- a/arch/x86/kernel/i8259.c
+++ b/arch/x86/kernel/i8259.c
@@ -282,6 +282,30 @@ static int __init i8259A_init_sysfs(void)
 
 device_initcall(i8259A_init_sysfs);
 
+void mask_8259A(void)
+{
+       unsigned long flags;
+
+       spin_lock_irqsave(&i8259A_lock, flags);
+
+       outb(0xff, PIC_MASTER_IMR);     /* mask all of 8259A-1 */
+       outb(0xff, PIC_SLAVE_IMR);      /* mask all of 8259A-2 */
+
+       spin_unlock_irqrestore(&i8259A_lock, flags);
+}
+
+void unmask_8259A(void)
+{
+       unsigned long flags;
+
+       spin_lock_irqsave(&i8259A_lock, flags);
+
+       outb(cached_master_mask, PIC_MASTER_IMR); /* restore master IRQ mask */
+       outb(cached_slave_mask, PIC_SLAVE_IMR);   /* restore slave IRQ mask */
+
+       spin_unlock_irqrestore(&i8259A_lock, flags);
+}
+
 void init_8259A(int auto_eoi)
 {
        unsigned long flags;