manual update from upstream:

[powerpc.git] / arch / x86_64 / kernel / io_apic.c

diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index 40e0aca..c8eee20 100644 (file)
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -21,7 +21,6 @@
  */
 
 #include <linux/mm.h>
-#include <linux/irq.h>
 #include <linux/interrupt.h>
 #include <linux/init.h>
 #include <linux/delay.h>
@@ -45,6 +44,8 @@ int sis_apic_bug; /* not actually supported, dummy for compile */
 
 static int no_timer_check;
 
+int disable_timer_pin_1 __initdata;
+
 static DEFINE_SPINLOCK(ioapic_lock);
 
 /*
@@ -1022,13 +1023,11 @@ void __apicdebuginit print_local_APIC(void * dummy)
        v = apic_read(APIC_TASKPRI);
        printk(KERN_DEBUG "... APIC TASKPRI: %08x (%02x)\n", v, v & APIC_TPRI_MASK);
 
-       if (APIC_INTEGRATED(ver)) {                     /* !82489DX */
-               v = apic_read(APIC_ARBPRI);
-               printk(KERN_DEBUG "... APIC ARBPRI: %08x (%02x)\n", v,
-                       v & APIC_ARBPRI_MASK);
-               v = apic_read(APIC_PROCPRI);
-               printk(KERN_DEBUG "... APIC PROCPRI: %08x\n", v);
-       }
+       v = apic_read(APIC_ARBPRI);
+       printk(KERN_DEBUG "... APIC ARBPRI: %08x (%02x)\n", v,
+               v & APIC_ARBPRI_MASK);
+       v = apic_read(APIC_PROCPRI);
+       printk(KERN_DEBUG "... APIC PROCPRI: %08x\n", v);
 
        v = apic_read(APIC_EOI);
        printk(KERN_DEBUG "... APIC EOI: %08x\n", v);
@@ -1048,12 +1047,8 @@ void __apicdebuginit print_local_APIC(void * dummy)
        printk(KERN_DEBUG "... APIC IRR field:\n");
        print_APIC_bitfield(APIC_IRR);
 
-       if (APIC_INTEGRATED(ver)) {             /* !82489DX */
-               if (maxlvt > 3)         /* Due to the Pentium erratum 3AP. */
-                       apic_write(APIC_ESR, 0);
-               v = apic_read(APIC_ESR);
-               printk(KERN_DEBUG "... APIC ESR: %08x\n", v);
-       }
+       v = apic_read(APIC_ESR);
+       printk(KERN_DEBUG "... APIC ESR: %08x\n", v);
 
        v = apic_read(APIC_ICR);
        printk(KERN_DEBUG "... APIC ICR: %08x\n", v);
@@ -1167,9 +1162,9 @@ void disable_IO_APIC(void)
        clear_IO_APIC();
 
        /*
-        * If the i82559 is routed through an IOAPIC
+        * If the i8259 is routed through an IOAPIC
         * Put that IOAPIC in virtual wire mode
-        * so legacy interrups can be delivered.
+        * so legacy interrupts can be delivered.
         */
        pin = find_isa_irq_pin(0, mp_ExtINT);
        if (pin != -1) {
@@ -1665,6 +1660,8 @@ static inline void check_timer(void)
                                setup_nmi();
                                enable_8259A_irq(0);
                        }
+                       if (disable_timer_pin_1 > 0)
+                               clear_IO_APIC_pin(0, pin1);
                        return;
                }
                clear_IO_APIC_pin(0, pin1);