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Commit 499ee071 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
  x86/pci: insert ioapic resource before assigning unassigned resources
parents 8e3b3bb5 857fdc53

arch/x86/include/asm/io_apic.h

+2 −0
Original line number Diff line number Diff line
@@ -161,6 +161,7 @@ extern int io_apic_set_pci_routing(struct device *dev, int irq, 
		 struct io_apic_irq_attr *irq_attr);

extern int (*ioapic_renumber_irq)(int ioapic, int irq);

extern void ioapic_init_mappings(void);

extern void ioapic_insert_resources(void);



extern struct IO_APIC_route_entry **alloc_ioapic_entries(void);

extern void free_ioapic_entries(struct IO_APIC_route_entry **ioapic_entries);
@@ -180,6 +181,7 @@ extern void ioapic_write_entry(int apic, int pin, 
#define io_apic_assign_pci_irqs 0

static const int timer_through_8259 = 0;

static inline void ioapic_init_mappings(void)	{ }

static inline void ioapic_insert_resources(void) { }



static inline void probe_nr_irqs_gsi(void)	{ }

#endif

arch/x86/kernel/apic/io_apic.c

+3 −11
Original line number Diff line number Diff line
@@ -4181,28 +4181,20 @@ void __init ioapic_init_mappings(void) 
	}

}



static int __init ioapic_insert_resources(void)

void __init ioapic_insert_resources(void)

{

	int i;

	struct resource *r = ioapic_resources;



	if (!r) {

		if (nr_ioapics > 0) {

		if (nr_ioapics > 0)

			printk(KERN_ERR

				"IO APIC resources couldn't be allocated.\n");

			return -1;

		}

		return 0;

		return;

	}



	for (i = 0; i < nr_ioapics; i++) {

		insert_resource(&iomem_resource, r);

		r++;

	}



	return 0;

}
 


/* Insert the IO APIC resources after PCI initialization has occured to handle

 * IO APICS that are mapped in on a BAR in PCI space. */

late_initcall(ioapic_insert_resources);

arch/x86/pci/i386.c

+7 −0
Original line number Diff line number Diff line
@@ -35,6 +35,7 @@ 
#include <asm/pat.h>

#include <asm/e820.h>

#include <asm/pci_x86.h>

#include <asm/io_apic.h>





static int
@@ -227,6 +228,12 @@ void __init pcibios_resource_survey(void) 
	pcibios_allocate_resources(1);



	e820_reserve_resources_late();

	/*

	 * Insert the IO APIC resources after PCI initialization has

	 * occured to handle IO APICS that are mapped in on a BAR in

	 * PCI space, but before trying to assign unassigned pci res.

	 */

	ioapic_insert_resources();

}



/**