[PATCH] x86: I/O APIC: Include <asm/i8259.h> required by some code

[Maciej W. Rozycki]

 Include <asm/i8259.h> for i8259A_lock used in print_PIC() -- #if-0-ed out
by default.  The 32-bit version gets it right already.

Signed-off-by: Maciej W. Rozycki <macro@xxxxxxxxxxxxxx>
---
 The plan is to enable this code with "apic=debug" eventually.  This will
aid with debugging strange problems without the need to ask people to
apply patches.

  Maciej

patch-next-2.6.26-rc9-20080711-apic-pic-i8259-h-0
diff -up --recursive --new-file linux-next-2.6.26-rc9-20080711.macro/arch/x86/kernel/io_apic_64.c linux-next-2.6.26-rc9-20080711/arch/x86/kernel/io_apic_64.c
--- linux-next-2.6.26-rc9-20080711.macro/arch/x86/kernel/io_apic_64.c	2008-07-14 15:44:12.000000000 +0000
+++ linux-next-2.6.26-rc9-20080711/arch/x86/kernel/io_apic_64.c	2008-07-14 15:47:19.000000000 +0000
@@ -45,6 +45,7 @@
 #include <asm/proto.h>
 #include <asm/acpi.h>
 #include <asm/dma.h>
+#include <asm/i8259.h>
 #include <asm/nmi.h>
 #include <asm/msidef.h>
 #include <asm/hypertransport.h>
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