Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6: (28 commits)
  PCI: make arch/i386/pci/common.c:pci_bf_sort static
  PCI: ibmphp_pci.c: fix NULL dereference
  pciehp: remove unnecessary pci_disable_msi
  pciehp: remove unnecessary free_irq
  PCI: rpaphp: change device tree examination
  PCI: Change memory allocation for acpiphp slots
  i2c-i801: SMBus patch for Intel ICH9
  PCI: irq: irq and pci_ids patch for Intel ICH9
  PCI: pci_{enable,disable}_device() nestable ports
  PCI: switch pci_{enable,disable}_device() to be nestable
  PCI: arch/i386/kernel/pci-dma.c: ioremap balanced with iounmap
  pci/i386: style cleanups
  PCI: Block on access to temporarily unavailable pci device
  pci: fix __pci_register_driver error handling
  pci: clear osc support flags if no _OSC method
  acpiphp: fix missing acpiphp_glue_exit()
  acpiphp: fix use of list_for_each macro
  Altix: Initial ACPI support - ROM shadowing.
  Altix: SN ACPI hotplug support.
  Altix: Add initial ACPI IO support
  ...

9 files changed, 30 insertions, 73 deletions

diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h
index 59c5b242d86d..ddbadd95387e 100644
--- a/drivers/pci/hotplug/acpiphp.h
+++ b/drivers/pci/hotplug/acpiphp.h
@@ -62,10 +62,10 @@ struct acpiphp_slot;
 struct slot {
 	struct hotplug_slot	*hotplug_slot;
 	struct acpiphp_slot	*acpi_slot;
+	struct hotplug_slot_info info;
+	char name[SLOT_NAME_SIZE];
 };
 
-
-
 /**
  * struct acpiphp_bridge - PCI bridge information
  *
diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c
index c57d9d5ce84e..40c79b03c7ef 100644
--- a/drivers/pci/hotplug/acpiphp_core.c
+++ b/drivers/pci/hotplug/acpiphp_core.c
@@ -303,25 +303,15 @@ static int __init init_acpi(void)
 	/* read initial number of slots */
 	if (!retval) {
 		num_slots = acpiphp_get_num_slots();
-		if (num_slots == 0)
+		if (num_slots == 0) {
+			acpiphp_glue_exit();
 			retval = -ENODEV;
+		}
 	}
 
 	return retval;
 }
 
-
-/**
- * make_slot_name - make a slot name that appears in pcihpfs
- * @slot: slot to name
- *
- */
-static void make_slot_name(struct slot *slot)
-{
-	snprintf(slot->hotplug_slot->name, SLOT_NAME_SIZE, "%u",
-		 slot->acpi_slot->sun);
-}
-
 /**
  * release_slot - free up the memory used by a slot
  * @hotplug_slot: slot to free
@@ -332,8 +322,6 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
 
 	dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
 
-	kfree(slot->hotplug_slot->info);
-	kfree(slot->hotplug_slot->name);
 	kfree(slot->hotplug_slot);
 	kfree(slot);
 }
@@ -342,26 +330,19 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
 int acpiphp_register_hotplug_slot(struct acpiphp_slot *acpiphp_slot)
 {
 	struct slot *slot;
-	struct hotplug_slot *hotplug_slot;
-	struct hotplug_slot_info *hotplug_slot_info;
 	int retval = -ENOMEM;
 
 	slot = kzalloc(sizeof(*slot), GFP_KERNEL);
 	if (!slot)
 		goto error;
 
-	slot->hotplug_slot = kzalloc(sizeof(*hotplug_slot), GFP_KERNEL);
+	slot->hotplug_slot = kzalloc(sizeof(*slot->hotplug_slot), GFP_KERNEL);
 	if (!slot->hotplug_slot)
 		goto error_slot;
 
-	slot->hotplug_slot->info = kzalloc(sizeof(*hotplug_slot_info),
-					   GFP_KERNEL);
-	if (!slot->hotplug_slot->info)
-		goto error_hpslot;
+	slot->hotplug_slot->info = &slot->info;
 
-	slot->hotplug_slot->name = kzalloc(SLOT_NAME_SIZE, GFP_KERNEL);
-	if (!slot->hotplug_slot->name)
-		goto error_info;
+	slot->hotplug_slot->name = slot->name;
 
 	slot->hotplug_slot->private = slot;
 	slot->hotplug_slot->release = &release_slot;
@@ -376,21 +357,17 @@ int acpiphp_register_hotplug_slot(struct acpiphp_slot *acpiphp_slot)
 	slot->hotplug_slot->info->cur_bus_speed = PCI_SPEED_UNKNOWN;
 
 	acpiphp_slot->slot = slot;
-	make_slot_name(slot);
+	snprintf(slot->name, sizeof(slot->name), "%u", slot->acpi_slot->sun);
 
 	retval = pci_hp_register(slot->hotplug_slot);
 	if (retval) {
 		err("pci_hp_register failed with error %d\n", retval);
-		goto error_name;
+		goto error_hpslot;
  	}
 
 	info("Slot [%s] registered\n", slot->hotplug_slot->name);
 
 	return 0;
-error_name:
-	kfree(slot->hotplug_slot->name);
-error_info:
-	kfree(slot->hotplug_slot->info);
 error_hpslot:
 	kfree(slot->hotplug_slot);
 error_slot:
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 16167b016266..0b9d0db1590a 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -1693,14 +1693,10 @@ void __exit acpiphp_glue_exit(void)
  */
 int __init acpiphp_get_num_slots(void)
 {
-	struct list_head *node;
 	struct acpiphp_bridge *bridge;
-	int num_slots;
-
-	num_slots = 0;
+	int num_slots = 0;
 
-	list_for_each (node, &bridge_list) {
-		bridge = (struct acpiphp_bridge *)node;
+	list_for_each_entry (bridge, &bridge_list, list) {
 		dbg("Bus %04x:%02x has %d slot%s\n",
 				pci_domain_nr(bridge->pci_bus),
 				bridge->pci_bus->number, bridge->nr_slots,
diff --git a/drivers/pci/hotplug/ibmphp_pci.c b/drivers/pci/hotplug/ibmphp_pci.c
index d87a9e3eaeeb..d8f05d7a3c72 100644
--- a/drivers/pci/hotplug/ibmphp_pci.c
+++ b/drivers/pci/hotplug/ibmphp_pci.c
@@ -1371,12 +1371,12 @@ static int unconfigure_boot_bridge (u8 busno, u8 device, u8 function)
 	}
 
 	bus = ibmphp_find_res_bus (sec_number);
-	debug ("bus->busno is %x\n", bus->busno);
-	debug ("sec_number is %x\n", sec_number);
 	if (!bus) {
 		err ("cannot find Bus structure for the bridged device\n");
 		return -EINVAL;
 	}
+	debug("bus->busno is %x\n", bus->busno);
+	debug("sec_number is %x\n", sec_number);
 
 	ibmphp_remove_bus (bus, busno);
 
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index f93e81e2d2c7..f13f31323e85 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -521,14 +521,9 @@ static void __exit unload_pciehpd(void)
 
 }
 
-static int hpdriver_context = 0;
-
 static void pciehp_remove (struct pcie_device *device)
 {
-	printk("%s ENTRY\n", __FUNCTION__);	
-	printk("%s -> Call free_irq for irq = %d\n",  
-		__FUNCTION__, device->irq);
-	free_irq(device->irq, &hpdriver_context);
+	/* XXX - Needs to be adapted to device driver model */
 }
 
 #ifdef CONFIG_PM
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 1c551c697c35..6d3f580f2666 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -718,8 +718,6 @@ static void hpc_release_ctlr(struct controller *ctrl)
 		if (php_ctlr->irq) {
 			free_irq(php_ctlr->irq, ctrl);
 			php_ctlr->irq = 0;
-			if (!pcie_mch_quirk) 
-				pci_disable_msi(php_ctlr->pci_dev);
 		}
 	}
 	if (php_ctlr->pci_dev) 
diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c
index 46825fee3ae4..72383467a0d5 100644
--- a/drivers/pci/hotplug/rpadlpar_core.c
+++ b/drivers/pci/hotplug/rpadlpar_core.c
@@ -63,7 +63,7 @@ static struct device_node *find_php_slot_pci_node(char *drc_name,
 	char *type;
 	int rc;
 
-	while ((np = of_find_node_by_type(np, "pci"))) {
+	while ((np = of_find_node_by_name(np, "pci"))) {
 		rc = rpaphp_get_drc_props(np, NULL, &name, &type, NULL);
 		if (rc == 0)
 			if (!strcmp(drc_name, name) && !strcmp(drc_type, type))
diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c
index 141486df235b..71a2cb8baa4a 100644
--- a/drivers/pci/hotplug/rpaphp_core.c
+++ b/drivers/pci/hotplug/rpaphp_core.c
@@ -356,7 +356,7 @@ static int __init rpaphp_init(void)
 	info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
 	init_MUTEX(&rpaphp_sem);
 
-	while ((dn = of_find_node_by_type(dn, "pci")))
+	while ((dn = of_find_node_by_name(dn, "pci")))
 		rpaphp_add_slot(dn);
 
 	return 0;
diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c
index b62ad31a9739..5d188c558386 100644
--- a/drivers/pci/hotplug/sgi_hotplug.c
+++ b/drivers/pci/hotplug/sgi_hotplug.c
@@ -205,21 +205,6 @@ static struct hotplug_slot * sn_hp_destroy(void)
 	return bss_hotplug_slot;
 }
 
-static void sn_bus_alloc_data(struct pci_dev *dev)
-{
-	struct pci_bus *subordinate_bus;
-	struct pci_dev *child;
-
-	sn_pci_fixup_slot(dev);
-
-	/* Recursively sets up the sn_irq_info structs */
-	if (dev->subordinate) {
-		subordinate_bus = dev->subordinate;
-		list_for_each_entry(child, &subordinate_bus->devices, bus_list)
-			sn_bus_alloc_data(child);
-	}
-}
-
 static void sn_bus_free_data(struct pci_dev *dev)
 {
 	struct pci_bus *subordinate_bus;
@@ -337,6 +322,11 @@ static int sn_slot_disable(struct hotplug_slot *bss_hotplug_slot,
 	return rc;
 }
 
+/*
+ * Power up and configure the slot via a SAL call to PROM.
+ * Scan slot (and any children), do any platform specific fixup,
+ * and find device driver.
+ */
 static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
 {
 	struct slot *slot = bss_hotplug_slot->private;
@@ -345,6 +335,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
 	int func, num_funcs;
 	int new_ppb = 0;
 	int rc;
+	void pcibios_fixup_device_resources(struct pci_dev *);
 
 	/* Serialize the Linux PCI infrastructure */
 	mutex_lock(&sn_hotplug_mutex);
@@ -367,9 +358,6 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
 		return -ENODEV;
 	}
 
-	sn_pci_controller_fixup(pci_domain_nr(slot->pci_bus),
-				slot->pci_bus->number,
-				slot->pci_bus);
 	/*
 	 * Map SN resources for all functions on the card
 	 * to the Linux PCI interface and tell the drivers
@@ -380,6 +368,13 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
 				   PCI_DEVFN(slot->device_num + 1,
 					     PCI_FUNC(func)));
 		if (dev) {
+			/* Need to do slot fixup on PPB before fixup of children
+			 * (PPB's pcidev_info needs to be in pcidev_info list
+			 * before child's SN_PCIDEV_INFO() call to setup
+			 * pdi_host_pcidev_info).
+			 */
+			pcibios_fixup_device_resources(dev);
+			sn_pci_fixup_slot(dev);
 			if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
 				unsigned char sec_bus;
 				pci_read_config_byte(dev, PCI_SECONDARY_BUS,
@@ -387,12 +382,8 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
 				new_bus = pci_add_new_bus(dev->bus, dev,
 							  sec_bus);
 				pci_scan_child_bus(new_bus);
-				sn_pci_controller_fixup(pci_domain_nr(new_bus),
-							new_bus->number,
-							new_bus);
 				new_ppb = 1;
 			}
-			sn_bus_alloc_data(dev);
 			pci_dev_put(dev);
 		}
 	}