5 files changed, 47 insertions, 42 deletions

diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 19af06927fbc..1d88d2b39771 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -250,10 +250,5 @@ int __init pci_acpi_init(void)
                         acpi_pci_irq_enable(dev);
         }
 
-#ifdef CONFIG_X86_IO_APIC
-        if (acpi_ioapic)
-                print_IO_APIC();
-#endif
-
         return 0;
 }
diff --git a/arch/x86/pci/amd_bus.c b/arch/x86/pci/amd_bus.c
index 6a0fca78c362..22e057665e55 100644
--- a/arch/x86/pci/amd_bus.c
+++ b/arch/x86/pci/amd_bus.c
@@ -580,7 +580,7 @@ static int __cpuinit amd_cpu_notify(struct notifier_block *self,
                                     unsigned long action, void *hcpu)
 {
         int cpu = (long)hcpu;
-        switch(action) {
+        switch (action) {
         case CPU_ONLINE:
         case CPU_ONLINE_FROZEN:
                 smp_call_function_single(cpu, enable_pci_io_ecs, NULL, 0);
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index 8791fc55e715..844df0cbbd3e 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -33,6 +33,7 @@
 #include <linux/bootmem.h>
 
 #include <asm/pat.h>
+#include <asm/e820.h>
 
 #include "pci.h"
 
@@ -227,6 +228,8 @@ void __init pcibios_resource_survey(void)
         pcibios_allocate_bus_resources(&pci_root_buses);
         pcibios_allocate_resources(0);
         pcibios_allocate_resources(1);
+
+        e820_reserve_resources_late();
 }
 
 /**
diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index 8e077185e185..006599db0dc7 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -1043,35 +1043,44 @@ static void __init pcibios_fixup_irqs(void)
                 if (io_apic_assign_pci_irqs) {
                         int irq;
 
-                        if (pin) {
-                                /*
-                                 * interrupt pins are numbered starting
-                                 * from 1
-                                 */
-                                pin--;
-                                irq = IO_APIC_get_PCI_irq_vector(dev->bus->number,
-                                        PCI_SLOT(dev->devfn), pin);
-        /*
-         * Busses behind bridges are typically not listed in the MP-table.
-         * In this case we have to look up the IRQ based on the parent bus,
-         * parent slot, and pin number. The SMP code detects such bridged
-         * busses itself so we should get into this branch reliably.
-         */
-                                if (irq < 0 && dev->bus->parent) { /* go back to the bridge */
-                                        struct pci_dev *bridge = dev->bus->self;
-
-                                        pin = (pin + PCI_SLOT(dev->devfn)) % 4;
-                                        irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,
-                                                        PCI_SLOT(bridge->devfn), pin);
-                                        if (irq >= 0)
-                                                dev_warn(&dev->dev, "using bridge %s INT %c to get IRQ %d\n",
-                                                         pci_name(bridge),
-                                                         'A' + pin, irq);
-                                }
-                                if (irq >= 0) {
-                                        dev_info(&dev->dev, "PCI->APIC IRQ transform: INT %c -> IRQ %d\n", 'A' + pin, irq);
-                                        dev->irq = irq;
-                                }
+                        if (!pin)
+                                continue;
+
+                        /*
+                         * interrupt pins are numbered starting from 1
+                         */
+                        pin--;
+                        irq = IO_APIC_get_PCI_irq_vector(dev->bus->number,
+                                PCI_SLOT(dev->devfn), pin);
+                        /*
+                         * Busses behind bridges are typically not listed in the
+                         * MP-table.  In this case we have to look up the IRQ
+                         * based on the parent bus, parent slot, and pin number.
+                         * The SMP code detects such bridged busses itself so we
+                         * should get into this branch reliably.
+                         */
+                        if (irq < 0 && dev->bus->parent) {
+                                /* go back to the bridge */
+                                struct pci_dev *bridge = dev->bus->self;
+                                int bus;
+
+                                pin = (pin + PCI_SLOT(dev->devfn)) % 4;
+                                bus = bridge->bus->number;
+                                irq = IO_APIC_get_PCI_irq_vector(bus,
+                                                PCI_SLOT(bridge->devfn), pin);
+                                if (irq >= 0)
+                                        dev_warn(&dev->dev,
+                                                "using bridge %s INT %c to "
+                                                        "get IRQ %d\n",
+                                                 pci_name(bridge),
+                                                 'A' + pin, irq);
+                        }
+                        if (irq >= 0) {
+                                dev_info(&dev->dev,
+                                        "PCI->APIC IRQ transform: INT %c "
+                                                "-> IRQ %d\n",
+                                        'A' + pin, irq);
+                                dev->irq = irq;
                         }
                 }
 #endif
diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c
index d9635764ce3d..654a2234f8f3 100644
--- a/arch/x86/pci/mmconfig-shared.c
+++ b/arch/x86/pci/mmconfig-shared.c
@@ -209,7 +209,7 @@ static int __init pci_mmcfg_check_hostbridge(void)
         return name != NULL;
 }
 
-static void __init pci_mmcfg_insert_resources(unsigned long resource_flags)
+static void __init pci_mmcfg_insert_resources(void)
 {
 #define PCI_MMCFG_RESOURCE_NAME_LEN 19
         int i;
@@ -233,7 +233,7 @@ static void __init pci_mmcfg_insert_resources(unsigned long resource_flags)
                          cfg->pci_segment);
                 res->start = cfg->address;
                 res->end = res->start + (num_buses << 20) - 1;
-                res->flags = IORESOURCE_MEM | resource_flags;
+                res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
                 insert_resource(&iomem_resource, res);
                 names += PCI_MMCFG_RESOURCE_NAME_LEN;
         }
@@ -434,11 +434,9 @@ static void __init __pci_mmcfg_init(int early)
             (pci_mmcfg_config[0].address == 0))
                 return;
 
-        if (pci_mmcfg_arch_init()) {
-                if (known_bridge)
-                        pci_mmcfg_insert_resources(IORESOURCE_BUSY);
+        if (pci_mmcfg_arch_init())
                 pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF;
-        } else {
+        else {
                 /*
                  * Signal not to attempt to insert mmcfg resources because
                  * the architecture mmcfg setup could not initialize.
@@ -475,7 +473,7 @@ static int __init pci_mmcfg_late_insert_resources(void)
          * marked so it won't cause request errors when __request_region is
          * called.
          */
-        pci_mmcfg_insert_resources(0);
+        pci_mmcfg_insert_resources();
 
         return 0;
 }