[RFC patch 3/4] x86: Add pcibios_fixup_irqs to x86_init

[Thomas Gleixner]

Platforms like Moorestown want to override the pcibios_fixup_irqs
default function. Add it to x86_init.pci

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
 arch/x86/include/asm/pci_x86.h  |    3 +++
 arch/x86/include/asm/x86_init.h |    2 ++
 arch/x86/kernel/x86_init.c      |    1 +
 arch/x86/pci/irq.c              |    4 ++--
 4 files changed, 8 insertions(+), 2 deletions(-)

Index: linux-2.6-tip/arch/x86/include/asm/pci_x86.h
===================================================================
--- linux-2.6-tip.orig/arch/x86/include/asm/pci_x86.h
+++ linux-2.6-tip/arch/x86/include/asm/pci_x86.h
@@ -113,6 +113,7 @@ extern int __init pci_acpi_init(void);
 extern void __init pcibios_irq_init(void);
 extern int __init pcibios_init(void);
 extern int pci_legacy_init(void);
+extern void pcibios_fixup_irqs(void);
 
 /* pci-mmconfig.c */
 
@@ -172,7 +173,9 @@ static inline void mmio_config_writel(vo
 #  define x86_default_pci_init		pci_legacy_init
 # endif
 # define x86_default_pci_init_irq	pcibios_irq_init
+# define x86_default_pci_fixup_irqs	pcibios_fixup_irqs
 #else
 # define x86_default_pci_init		NULL
 # define x86_default_pci_init_irq	NULL
+# define x86_default_pci_fixup_irqs	NULL
 #endif
Index: linux-2.6-tip/arch/x86/include/asm/x86_init.h
===================================================================
--- linux-2.6-tip.orig/arch/x86/include/asm/x86_init.h
+++ linux-2.6-tip/arch/x86/include/asm/x86_init.h
@@ -95,10 +95,12 @@ struct x86_init_timers {
  * struct x86_init_pci - platform specific pci init functions
  * @init:			platform specific pci init
  * @init_irq:			platform specific pci irq init
+ * @fixup_irqs:			platform specific pci irq fixup
  */
 struct x86_init_pci {
 	int (*init)(void);
 	void (*init_irq)(void);
+	void (*fixup_irqs)(void);
 };
 
 /**
Index: linux-2.6-tip/arch/x86/kernel/x86_init.c
===================================================================
--- linux-2.6-tip.orig/arch/x86/kernel/x86_init.c
+++ linux-2.6-tip/arch/x86/kernel/x86_init.c
@@ -68,6 +68,7 @@ struct __initdata x86_init_ops x86_init 
 	.pci = {
 		.init			= x86_default_pci_init,
 		.init_irq		= x86_default_pci_init_irq,
+		.fixup_irqs		= x86_default_pci_fixup_irqs,
 	},
 };
 
Index: linux-2.6-tip/arch/x86/pci/irq.c
===================================================================
--- linux-2.6-tip.orig/arch/x86/pci/irq.c
+++ linux-2.6-tip/arch/x86/pci/irq.c
@@ -1016,7 +1016,7 @@ static int pcibios_lookup_irq(struct pci
 	return 1;
 }
 
-static void __init pcibios_fixup_irqs(void)
+void __init pcibios_fixup_irqs(void)
 {
 	struct pci_dev *dev = NULL;
 	u8 pin;
@@ -1142,7 +1142,7 @@ void __init pcibios_irq_init(void)
 			pirq_table = NULL;
 	}
 
-	pcibios_fixup_irqs();
+	x86_init.pci.fixup_irqs();
 
 	if (io_apic_assign_pci_irqs && pci_routeirq) {
 		struct pci_dev *dev = NULL;


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