Address compiling problem that Fengguang report.
Reported-by: Fengguang Wu <wfg@xxxxxxxxxxxxxxx>
Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
Cc: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
Cc: Jiang Liu <jiang.liu@xxxxxxxxxx>
---
arch/x86/include/asm/mpspec.h | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
index b98665f..e9d850e 100644
--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -95,10 +95,26 @@ static inline void early_reserve_e820_mpc_new(void) { }
#endif
int generic_processor_info(int apicid, int version);
-#ifdef CONFIG_ACPI
+#ifdef CONFIG_X86_IO_APIC
int __mp_register_ioapic(int id, u32 address, u32 gsi_base, bool hot);
int mp_unregister_ioapic(u32 gsi_base);
extern void mp_register_ioapic(int id, u32 address, u32 gsi_base);
+#else
+static inline int __mp_register_ioapic(int id, u32 address, u32 gsi_base,
+ bool hot)
+{
+ return 0;
+}
+static inline int mp_unregister_ioapic(u32 gsi_base)
+{
+ return 0;
+}
+static inline void mp_register_ioapic(int id, u32 address, u32 gsi_base)
+{
+}
+#endif
+
+#ifdef CONFIG_ACPI
extern void mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger,
u32 gsi);
extern void mp_config_acpi_legacy_irqs(void);
--
1.8.4
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