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

* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (98 commits)
  PCI PM: Put PM callbacks in the order of execution
  PCI PM: Run default PM callbacks for all devices using new framework
  PCI PM: Register power state of devices during initialization
  PCI PM: Call pci_fixup_device from legacy routines
  PCI PM: Rearrange code in pci-driver.c
  PCI PM: Avoid touching devices behind bridges in unknown state
  PCI PM: Move pci_has_legacy_pm_support
  PCI PM: Power-manage devices without drivers during suspend-resume
  PCI PM: Add suspend counterpart of pci_reenable_device
  PCI PM: Fix poweroff and restore callbacks
  PCI: Use msleep instead of cpu_relax during ASPM link retraining
  PCI: PCIe portdrv: Add kerneldoc comments to remining core funtions
  PCI: PCIe portdrv: Rearrange code so that related things are together
  PCI: PCIe portdrv: Fix suspend and resume of PCI Express port services
  PCI: PCIe portdrv: Add kerneldoc comments to some core functions
  x86/PCI: Do not use interrupt links for devices using MSI-X
  net: sfc: Use pci_clear_master() to disable bus mastering
  PCI: Add pci_clear_master() as opposite of pci_set_master()
  PCI hotplug: remove redundant test in cpq hotplug
  PCI: pciehp: cleanup register and field definitions
  ...

9 files changed, 48 insertions, 58 deletions

diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 19a1044a0cd9..b25428533141 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -38,7 +38,7 @@ EXPORT_SYMBOL(bad_dma_address);
    be probably a smaller DMA mask, but this is bug-to-bug compatible
    to older i386. */
 struct device x86_dma_fallback_dev = {
-	.bus_id = "fallback device",
+	.init_name = "fallback device",
 	.coherent_dma_mask = DMA_32BIT_MASK,
 	.dma_mask = &x86_dma_fallback_dev.coherent_dma_mask,
 };
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 544d724caeee..88f1b10de3be 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -328,6 +328,8 @@ int devmem_is_allowed(unsigned long pagenr)
 {
 	if (pagenr <= 256)
 		return 1;
+	if (iomem_is_exclusive(pagenr << PAGE_SHIFT))
+		return 0;
 	if (!page_is_ram(pagenr))
 		return 1;
 	return 0;
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 54c437e96541..23f68e77ad1f 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -888,6 +888,8 @@ int devmem_is_allowed(unsigned long pagenr)
 {
 	if (pagenr <= 256)
 		return 1;
+	if (iomem_is_exclusive(pagenr << PAGE_SHIFT))
+		return 0;
 	if (!page_is_ram(pagenr))
 		return 1;
 	return 0;
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 9e5752fe4d15..c0ecf250fe51 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -210,11 +210,10 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
 	if (bus && node != -1) {
 #ifdef CONFIG_ACPI_NUMA
 		if (pxm >= 0)
-			printk(KERN_DEBUG "bus %02x -> pxm %d -> node %d\n",
-				busnum, pxm, node);
+			dev_printk(KERN_DEBUG, &bus->dev,
+				   "on NUMA node %d (pxm %d)\n", node, pxm);
 #else
-		printk(KERN_DEBUG "bus %02x -> node %d\n",
-			busnum, node);
+		dev_printk(KERN_DEBUG, &bus->dev, "on NUMA node %d\n", node);
 #endif
 	}
 
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 62ddb73e09ed..82d22fc601ae 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -551,17 +551,25 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
 	if ((err = pci_enable_resources(dev, mask)) < 0)
 		return err;
 
-	if (!dev->msi_enabled)
+	if (!pci_dev_msi_enabled(dev))
 		return pcibios_enable_irq(dev);
 	return 0;
 }
 
 void pcibios_disable_device (struct pci_dev *dev)
 {
-	if (!dev->msi_enabled && pcibios_disable_irq)
+	if (!pci_dev_msi_enabled(dev) && pcibios_disable_irq)
 		pcibios_disable_irq(dev);
 }
 
+int pci_ext_cfg_avail(struct pci_dev *dev)
+{
+	if (raw_pci_ext_ops)
+		return 1;
+	else
+		return 0;
+}
+
 struct pci_bus * __devinit pci_scan_bus_on_node(int busno, struct pci_ops *ops, int node)
 {
 	struct pci_bus *bus = NULL;
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index e51bf2cda4b0..f884740da318 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -129,7 +129,7 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
 				pr = pci_find_parent_resource(dev, r);
 				if (!r->start || !pr ||
 				    request_resource(pr, r) < 0) {
-					dev_err(&dev->dev, "BAR %d: can't allocate resource\n", idx);
+					dev_info(&dev->dev, "BAR %d: can't allocate resource\n", idx);
 					/*
 					 * Something is wrong with the region.
 					 * Invalidate the resource to prevent
@@ -170,7 +170,7 @@ static void __init pcibios_allocate_resources(int pass)
 					r->flags, disabled, pass);
 				pr = pci_find_parent_resource(dev, r);
 				if (!pr || request_resource(pr, r) < 0) {
-					dev_err(&dev->dev, "BAR %d: can't allocate resource\n", idx);
+					dev_info(&dev->dev, "BAR %d: can't allocate resource\n", idx);
 					/* We'll assign a new address later */
 					r->end -= r->start;
 					r->start = 0;
diff --git a/arch/x86/pci/init.c b/arch/x86/pci/init.c
index bec3b048e72b..25a1f8efed4a 100644
--- a/arch/x86/pci/init.c
+++ b/arch/x86/pci/init.c
@@ -12,7 +12,8 @@ static __init int pci_arch_init(void)
 	type = pci_direct_probe();
 #endif
 
-	pci_mmcfg_early_init();
+	if (!(pci_probe & PCI_PROBE_NOEARLY))
+		pci_mmcfg_early_init();
 
 #ifdef CONFIG_PCI_OLPC
 	if (!pci_olpc_init())
diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index 373b9afe6d44..4064345cf144 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -533,7 +533,7 @@ static int pirq_bios_set(struct pci_dev *router, struct pci_dev *dev, int pirq,
 {
 	struct pci_dev *bridge;
 	int pin = pci_get_interrupt_pin(dev, &bridge);
-	return pcibios_set_irq_routing(bridge, pin, irq);
+	return pcibios_set_irq_routing(bridge, pin - 1, irq);
 }
 
 #endif
@@ -887,7 +887,6 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
 		dev_dbg(&dev->dev, "no interrupt pin\n");
 		return 0;
 	}
-	pin = pin - 1;
 
 	/* Find IRQ routing entry */
 
@@ -897,17 +896,17 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
 	info = pirq_get_info(dev);
 	if (!info) {
 		dev_dbg(&dev->dev, "PCI INT %c not found in routing table\n",
-			'A' + pin);
+			'A' + pin - 1);
 		return 0;
 	}
-	pirq = info->irq[pin].link;
-	mask = info->irq[pin].bitmap;
+	pirq = info->irq[pin - 1].link;
+	mask = info->irq[pin - 1].bitmap;
 	if (!pirq) {
-		dev_dbg(&dev->dev, "PCI INT %c not routed\n", 'A' + pin);
+		dev_dbg(&dev->dev, "PCI INT %c not routed\n", 'A' + pin - 1);
 		return 0;
 	}
 	dev_dbg(&dev->dev, "PCI INT %c -> PIRQ %02x, mask %04x, excl %04x",
-		'A' + pin, pirq, mask, pirq_table->exclusive_irqs);
+		'A' + pin - 1, pirq, mask, pirq_table->exclusive_irqs);
 	mask &= pcibios_irq_mask;
 
 	/* Work around broken HP Pavilion Notebooks which assign USB to
@@ -949,7 +948,7 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
 				newirq = i;
 		}
 	}
-	dev_dbg(&dev->dev, "PCI INT %c -> newirq %d", 'A' + pin, newirq);
+	dev_dbg(&dev->dev, "PCI INT %c -> newirq %d", 'A' + pin - 1, newirq);
 
 	/* Check if it is hardcoded */
 	if ((pirq & 0xf0) == 0xf0) {
@@ -977,18 +976,18 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
 			return 0;
 		}
 	}
-	dev_info(&dev->dev, "%s PCI INT %c -> IRQ %d\n", msg, 'A' + pin, irq);
+	dev_info(&dev->dev, "%s PCI INT %c -> IRQ %d\n", msg, 'A' + pin - 1, irq);
 
 	/* Update IRQ for all devices with the same pirq value */
 	while ((dev2 = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev2)) != NULL) {
 		pci_read_config_byte(dev2, PCI_INTERRUPT_PIN, &pin);
 		if (!pin)
 			continue;
-		pin--;
+
 		info = pirq_get_info(dev2);
 		if (!info)
 			continue;
-		if (info->irq[pin].link == pirq) {
+		if (info->irq[pin - 1].link == pirq) {
 			/*
 			 * We refuse to override the dev->irq
 			 * information. Give a warning!
@@ -1042,6 +1041,9 @@ static void __init pcibios_fixup_irqs(void)
 	dev = NULL;
 	while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
 		pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
+		if (!pin)
+			continue;
+
 #ifdef CONFIG_X86_IO_APIC
 		/*
 		 * Recalculate IRQ numbers if we use the I/O APIC.
@@ -1049,15 +1051,11 @@ static void __init pcibios_fixup_irqs(void)
 		if (io_apic_assign_pci_irqs) {
 			int 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);
+				PCI_SLOT(dev->devfn), pin - 1);
 			/*
 			 * Busses behind bridges are typically not listed in the
 			 * MP-table.  In this case we have to look up the IRQ
@@ -1070,22 +1068,22 @@ static void __init pcibios_fixup_irqs(void)
 				struct pci_dev *bridge = dev->bus->self;
 				int bus;
 
-				pin = (pin + PCI_SLOT(dev->devfn)) % 4;
+				pin = pci_swizzle_interrupt_pin(dev, pin);
 				bus = bridge->bus->number;
 				irq = IO_APIC_get_PCI_irq_vector(bus,
-						PCI_SLOT(bridge->devfn), pin);
+						PCI_SLOT(bridge->devfn), pin - 1);
 				if (irq >= 0)
 					dev_warn(&dev->dev,
 						"using bridge %s INT %c to "
 							"get IRQ %d\n",
 						 pci_name(bridge),
-						 'A' + pin, irq);
+						 'A' + pin - 1, irq);
 			}
 			if (irq >= 0) {
 				dev_info(&dev->dev,
 					"PCI->APIC IRQ transform: INT %c "
 						"-> IRQ %d\n",
-					'A' + pin, irq);
+					'A' + pin - 1, irq);
 				dev->irq = irq;
 			}
 		}
@@ -1093,7 +1091,7 @@ static void __init pcibios_fixup_irqs(void)
 		/*
 		 * Still no IRQ? Try to lookup one...
 		 */
-		if (pin && !dev->irq)
+		if (!dev->irq)
 			pcibios_lookup_irq(dev, 0);
 	}
 }
@@ -1220,12 +1218,10 @@ static int pirq_enable_irq(struct pci_dev *dev)
 	if (pin && !pcibios_lookup_irq(dev, 1) && !dev->irq) {
 		char *msg = "";
 
-		pin--; /* interrupt pins are numbered starting from 1 */
-
 		if (io_apic_assign_pci_irqs) {
 			int irq;
 
-			irq = IO_APIC_get_PCI_irq_vector(dev->bus->number, PCI_SLOT(dev->devfn), pin);
+			irq = IO_APIC_get_PCI_irq_vector(dev->bus->number, PCI_SLOT(dev->devfn), pin - 1);
 			/*
 			 * 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,
@@ -1236,20 +1232,20 @@ static int pirq_enable_irq(struct pci_dev *dev)
 			while (irq < 0 && dev->bus->parent) { /* go back to the bridge */
 				struct pci_dev *bridge = dev->bus->self;
 
-				pin = (pin + PCI_SLOT(dev->devfn)) % 4;
+				pin = pci_swizzle_interrupt_pin(dev, pin);
 				irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,
-						PCI_SLOT(bridge->devfn), pin);
+						PCI_SLOT(bridge->devfn), pin - 1);
 				if (irq >= 0)
 					dev_warn(&dev->dev, "using bridge %s "
 						 "INT %c to get IRQ %d\n",
-						 pci_name(bridge), 'A' + pin,
+						 pci_name(bridge), 'A' + pin - 1,
 						 irq);
 				dev = bridge;
 			}
 			dev = temp_dev;
 			if (irq >= 0) {
 				dev_info(&dev->dev, "PCI->APIC IRQ transform: "
-					 "INT %c -> IRQ %d\n", 'A' + pin, irq);
+					 "INT %c -> IRQ %d\n", 'A' + pin - 1, irq);
 				dev->irq = irq;
 				return 0;
 			} else
@@ -1268,7 +1264,7 @@ static int pirq_enable_irq(struct pci_dev *dev)
 			return 0;
 
 		dev_warn(&dev->dev, "can't find IRQ for PCI INT %c%s\n",
-			 'A' + pin, msg);
+			 'A' + pin - 1, msg);
 	}
 	return 0;
 }
diff --git a/arch/x86/pci/visws.c b/arch/x86/pci/visws.c
index 16d0c0eb0d19..bcead7a46871 100644
--- a/arch/x86/pci/visws.c
+++ b/arch/x86/pci/visws.c
@@ -24,24 +24,6 @@ static void pci_visws_disable_irq(struct pci_dev *dev) { }
 
 unsigned int pci_bus0, pci_bus1;
 
-static inline u8 bridge_swizzle(u8 pin, u8 slot) 
-{
-	return (((pin - 1) + slot) % 4) + 1;
-}
-
-static u8 __init visws_swizzle(struct pci_dev *dev, u8 *pinp)
-{
-	u8 pin = *pinp;
-
-	while (dev->bus->self) {	/* Move up the chain of bridges. */
-		pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn));
-		dev = dev->bus->self;
-	}
-	*pinp = pin;
-
-	return PCI_SLOT(dev->devfn);
-}
-
 static int __init visws_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 {
 	int irq, bus = dev->bus->number;
@@ -106,7 +88,7 @@ int __init pci_visws_init(void)
 	raw_pci_ops = &pci_direct_conf1;
 	pci_scan_bus_with_sysdata(pci_bus0);
 	pci_scan_bus_with_sysdata(pci_bus1);
-	pci_fixup_irqs(visws_swizzle, visws_map_irq);
+	pci_fixup_irqs(pci_common_swizzle, visws_map_irq);
 	pcibios_resource_survey();
 	return 0;
 }