linux-kernel - [PATCH v5 24/33] x86: Move declaration for mp_register

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Date:	Thu,  2 Jan 2014 16:05:56 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>, Tony Luck <tony.luck@...el.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-acpi@...r.kernel.org, Yinghai Lu <yinghai@...nel.org>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Jiang Liu <jiang.liu@...wei.com>
Subject: [PATCH v5 24/33] x86: Move declaration for mp_register_ioapic()

Address compiling problem that Fengguang report.

Reported-by: Fengguang Wu <wfg@...ux.intel.com>
Signed-off-by: Yinghai Lu <yinghai@...nel.org>
Cc: Paul Gortmaker <paul.gortmaker@...driver.com>
Cc: Jiang Liu <jiang.liu@...wei.com>
---
 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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