[PATCH] don't call check_acpi_pci() on x86 with ACPI disabled

check_acpi_pci() is called from arch/i386/kernel/setup.c even if
CONFIG_ACPI is not defined, but the code in include/asm/acpi.h doesn't
provide it in this case.
Signed-off-by: Herbert Pötzl <herbert@13thfloor.at>
Cc: "Brown, Len" <len.brown@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/asm-i386/acpi.h

@@ -103,6 +103,12 @@ __acpi_release_global_lock (unsigned int *lock)
         :"=r"(n_hi), "=r"(n_lo)     \
         :"0"(n_hi), "1"(n_lo))
 
+#ifdef CONFIG_X86_IO_APIC
+extern void check_acpi_pci(void);
+#else
+static inline void check_acpi_pci(void) { }
+#endif
+
 #ifdef CONFIG_ACPI 
 extern int acpi_lapic;
 extern int acpi_ioapic;
@@ -128,8 +134,6 @@ extern int acpi_gsi_to_irq(u32 gsi, unsigned int *irq);
 extern int skip_ioapic_setup;
 extern int acpi_skip_timer_override;
 
-extern void check_acpi_pci(void);
-
 static inline void disable_ioapic_setup(void)
 {
 	skip_ioapic_setup = 1;
@@ -142,8 +146,6 @@ static inline int ioapic_setup_disabled(void)
 
 #else
 static inline void disable_ioapic_setup(void) { }
-static inline void check_acpi_pci(void) { }
-
 #endif
 
 static inline void acpi_noirq_set(void) { acpi_noirq = 1; }