linux-kernel - [tip:x86/urgent] ix86: Fix build failure when !CONFIG_X86_IO

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Date:	Tue, 28 Oct 2014 04:18:59 -0700
From:	tip-bot for Jan Beulich <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	jiang.liu@...ux.intel.com, tglx@...utronix.de, mingo@...nel.org,
	linux-kernel@...r.kernel.org, jbeulich@...e.com, JBeulich@...e.com,
	hpa@...or.com
Subject: [tip:x86/urgent] ix86: Fix build failure when !CONFIG_X86_IO_APIC

Commit-ID:  a425cf83e39f99a70168c184e79cea8c67ba7c12
Gitweb:     http://git.kernel.org/tip/a425cf83e39f99a70168c184e79cea8c67ba7c12
Author:     Jan Beulich <JBeulich@...e.com>
AuthorDate: Tue, 16 Sep 2014 13:44:24 +0100
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Tue, 28 Oct 2014 12:01:09 +0100

ix86: Fix build failure when !CONFIG_X86_IO_APIC

mp_should_keep_irq() isn't really IO-APIC related, and
considering that it's being used solely in arch/x86/pci/ likely
both declaration and definition got misplaced even without
considering the resulting build failure:

  .../arch/x86/pci/irq.c: In function ‘pirq_disable_irq’:
  .../arch/x86/pci/irq.c:1259: error: implicit declaration of function ‘mp_should_keep_irq’
  make[3]: *** [arch/x86/pci/irq.o] Error 1

Move them to better places.

Signed-off-by: Jan Beulich <jbeulich@...e.com>
Cc: Jiang Liu <jiang.liu@...ux.intel.com>
Link: http://lkml.kernel.org/r/54184CC802000078000355EE@mail.emea.novell.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/include/asm/io_apic.h |  2 --
 arch/x86/include/asm/pci_x86.h |  2 ++
 arch/x86/kernel/apic/io_apic.c | 12 ------------
 arch/x86/pci/irq.c             | 12 ++++++++++++
 4 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index 1733ab4..51b25f5 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -227,8 +227,6 @@ static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned
 
 extern void io_apic_eoi(unsigned int apic, unsigned int vector);
 
-extern bool mp_should_keep_irq(struct device *dev);
-
 #else  /* !CONFIG_X86_IO_APIC */
 
 #define io_apic_assign_pci_irqs 0
diff --git a/arch/x86/include/asm/pci_x86.h b/arch/x86/include/asm/pci_x86.h
index fa1195d..164e3f8 100644
--- a/arch/x86/include/asm/pci_x86.h
+++ b/arch/x86/include/asm/pci_x86.h
@@ -93,6 +93,8 @@ extern raw_spinlock_t pci_config_lock;
 extern int (*pcibios_enable_irq)(struct pci_dev *dev);
 extern void (*pcibios_disable_irq)(struct pci_dev *dev);
 
+extern bool mp_should_keep_irq(struct device *dev);
+
 struct pci_raw_ops {
 	int (*read)(unsigned int domain, unsigned int bus, unsigned int devfn,
 						int reg, int len, u32 *val);
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 1183d54..d3ad43b 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -3964,18 +3964,6 @@ int mp_set_gsi_attr(u32 gsi, int trigger, int polarity, int node)
 	return ret;
 }
 
-bool mp_should_keep_irq(struct device *dev)
-{
-	if (dev->power.is_prepared)
-		return true;
-#ifdef	CONFIG_PM_RUNTIME
-	if (dev->power.runtime_status == RPM_SUSPENDING)
-		return true;
-#endif
-
-	return false;
-}
-
 /* Enable IOAPIC early just for system timer */
 void __init pre_init_apic_IRQ0(void)
 {
diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index eb500c2..cb50e28 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -1254,6 +1254,18 @@ static int pirq_enable_irq(struct pci_dev *dev)
 	return 0;
 }
 
+bool mp_should_keep_irq(struct device *dev)
+{
+	if (dev->power.is_prepared)
+		return true;
+#ifdef CONFIG_PM_RUNTIME
+	if (dev->power.runtime_status == RPM_SUSPENDING)
+		return true;
+#endif
+
+	return false;
+}
+
 static void pirq_disable_irq(struct pci_dev *dev)
 {
 	if (io_apic_assign_pci_irqs && !mp_should_keep_irq(&dev->dev) &&
--
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