1 files changed, 21 insertions, 220 deletions

diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index 1a4fc0d11a0..a7b74307672 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -15,220 +15,19 @@
 #include <linux/string.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/mod_devicetable.h>
-#include <linux/slab.h>
 #include <linux/pci.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
 #include <linux/of_platform.h>
+#include <linux/atomic.h>
 
 #include <asm/errno.h>
 #include <asm/topology.h>
 #include <asm/pci-bridge.h>
 #include <asm/ppc-pci.h>
-#include <asm/atomic.h>
-
-/*
- * The list of OF IDs below is used for matching bus types in the
- * system whose devices are to be exposed as of_platform_devices.
- *
- * This is the default list valid for most platforms. This file provides
- * functions who can take an explicit list if necessary though
- *
- * The search is always performed recursively looking for children of
- * the provided device_node and recursively if such a children matches
- * a bus type in the list
- */
-
-static const struct of_device_id of_default_bus_ids[] = {
-	{ .type = "soc", },
-	{ .compatible = "soc", },
-	{ .type = "spider", },
-	{ .type = "axon", },
-	{ .type = "plb5", },
-	{ .type = "plb4", },
-	{ .type = "opb", },
-	{ .type = "ebc", },
-	{},
-};
-
-struct bus_type of_platform_bus_type = {
-       .uevent	= of_device_uevent,
-};
-EXPORT_SYMBOL(of_platform_bus_type);
-
-static int __init of_bus_driver_init(void)
-{
-	return of_bus_type_init(&of_platform_bus_type, "of_platform");
-}
-
-postcore_initcall(of_bus_driver_init);
-
-struct of_device* of_platform_device_create(struct device_node *np,
-					    const char *bus_id,
-					    struct device *parent)
-{
-	struct of_device *dev;
-
-	dev = of_device_alloc(np, bus_id, parent);
-	if (!dev)
-		return NULL;
-
-	dev->dma_mask = 0xffffffffUL;
-	dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
-
-	dev->dev.bus = &of_platform_bus_type;
-
-	/* We do not fill the DMA ops for platform devices by default.
-	 * This is currently the responsibility of the platform code
-	 * to do such, possibly using a device notifier
-	 */
-
-	if (of_device_register(dev) != 0) {
-		of_device_free(dev);
-		return NULL;
-	}
-
-	return dev;
-}
-EXPORT_SYMBOL(of_platform_device_create);
-
-
-
-/**
- * of_platform_bus_create - Create an OF device for a bus node and all its
- * children. Optionally recursively instanciate matching busses.
- * @bus: device node of the bus to instanciate
- * @matches: match table, NULL to use the default, OF_NO_DEEP_PROBE to
- * disallow recursive creation of child busses
- */
-static int of_platform_bus_create(const struct device_node *bus,
-				  const struct of_device_id *matches,
-				  struct device *parent)
-{
-	struct device_node *child;
-	struct of_device *dev;
-	int rc = 0;
-
-	for_each_child_of_node(bus, child) {
-		pr_debug("   create child: %s\n", child->full_name);
-		dev = of_platform_device_create(child, NULL, parent);
-		if (dev == NULL)
-			rc = -ENOMEM;
-		else if (!of_match_node(matches, child))
-			continue;
-		if (rc == 0) {
-			pr_debug("   and sub busses\n");
-			rc = of_platform_bus_create(child, matches, &dev->dev);
-		} if (rc) {
-			of_node_put(child);
-			break;
-		}
-	}
-	return rc;
-}
-
-/**
- * of_platform_bus_probe - Probe the device-tree for platform busses
- * @root: parent of the first level to probe or NULL for the root of the tree
- * @matches: match table, NULL to use the default
- * @parent: parent to hook devices from, NULL for toplevel
- *
- * Note that children of the provided root are not instanciated as devices
- * unless the specified root itself matches the bus list and is not NULL.
- */
-
-int of_platform_bus_probe(struct device_node *root,
-			  const struct of_device_id *matches,
-			  struct device *parent)
-{
-	struct device_node *child;
-	struct of_device *dev;
-	int rc = 0;
-
-	if (matches == NULL)
-		matches = of_default_bus_ids;
-	if (matches == OF_NO_DEEP_PROBE)
-		return -EINVAL;
-	if (root == NULL)
-		root = of_find_node_by_path("/");
-	else
-		of_node_get(root);
-
-	pr_debug("of_platform_bus_probe()\n");
-	pr_debug(" starting at: %s\n", root->full_name);
-
-	/* Do a self check of bus type, if there's a match, create
-	 * children
-	 */
-	if (of_match_node(matches, root)) {
-		pr_debug(" root match, create all sub devices\n");
-		dev = of_platform_device_create(root, NULL, parent);
-		if (dev == NULL) {
-			rc = -ENOMEM;
-			goto bail;
-		}
-		pr_debug(" create all sub busses\n");
-		rc = of_platform_bus_create(root, matches, &dev->dev);
-		goto bail;
-	}
-	for_each_child_of_node(root, child) {
-		if (!of_match_node(matches, child))
-			continue;
-
-		pr_debug("  match: %s\n", child->full_name);
-		dev = of_platform_device_create(child, NULL, parent);
-		if (dev == NULL)
-			rc = -ENOMEM;
-		else
-			rc = of_platform_bus_create(child, matches, &dev->dev);
-		if (rc) {
-			of_node_put(child);
-			break;
-		}
-	}
- bail:
-	of_node_put(root);
-	return rc;
-}
-EXPORT_SYMBOL(of_platform_bus_probe);
-
-static int of_dev_node_match(struct device *dev, void *data)
-{
-	return to_of_device(dev)->node == data;
-}
-
-struct of_device *of_find_device_by_node(struct device_node *np)
-{
-	struct device *dev;
-
-	dev = bus_find_device(&of_platform_bus_type,
-			      NULL, np, of_dev_node_match);
-	if (dev)
-		return to_of_device(dev);
-	return NULL;
-}
-EXPORT_SYMBOL(of_find_device_by_node);
-
-static int of_dev_phandle_match(struct device *dev, void *data)
-{
-	phandle *ph = data;
-	return to_of_device(dev)->node->linux_phandle == *ph;
-}
-
-struct of_device *of_find_device_by_phandle(phandle ph)
-{
-	struct device *dev;
-
-	dev = bus_find_device(&of_platform_bus_type,
-			      NULL, &ph, of_dev_phandle_match);
-	if (dev)
-		return to_of_device(dev);
-	return NULL;
-}
-EXPORT_SYMBOL(of_find_device_by_phandle);
-
+#include <asm/eeh.h>
 
 #ifdef CONFIG_PPC_OF_PLATFORM_PCI
 
@@ -238,8 +37,7 @@ EXPORT_SYMBOL(of_find_device_by_phandle);
  * lacking some bits needed here.
  */
 
-static int __devinit of_pci_phb_probe(struct of_device *dev,
-				      const struct of_device_id *match)
+static int of_pci_phb_probe(struct platform_device *dev)
 {
 	struct pci_controller *phb;
 
@@ -247,10 +45,10 @@ static int __devinit of_pci_phb_probe(struct of_device *dev,
 	if (ppc_md.pci_setup_phb == NULL)
 		return -ENODEV;
 
-	printk(KERN_INFO "Setting up PCI bus %s\n", dev->node->full_name);
+	pr_info("Setting up PCI bus %s\n", dev->dev.of_node->full_name);
 
 	/* Alloc and setup PHB data structure */
-	phb = pcibios_alloc_controller(dev->node);
+	phb = pcibios_alloc_controller(dev->dev.of_node);
 	if (!phb)
 		return -ENODEV;
 
@@ -264,36 +62,38 @@ static int __devinit of_pci_phb_probe(struct of_device *dev,
 	}
 
 	/* Process "ranges" property */
-	pci_process_bridge_OF_ranges(phb, dev->node, 0);
+	pci_process_bridge_OF_ranges(phb, dev->dev.of_node, 0);
 
 	/* Init pci_dn data structures */
 	pci_devs_phb_init_dynamic(phb);
 
+	/* Create EEH devices for the PHB */
+	eeh_dev_phb_init_dynamic(phb);
+
 	/* Register devices with EEH */
-#ifdef CONFIG_EEH
-	if (dev->node->child)
-		eeh_add_device_tree_early(dev->node);
-#endif /* CONFIG_EEH */
+	if (dev->dev.of_node->child)
+		eeh_add_device_tree_early(dev->dev.of_node);
 
 	/* Scan the bus */
-	pcibios_scan_phb(phb, dev->node);
+	pcibios_scan_phb(phb);
 	if (phb->bus == NULL)
 		return -ENXIO;
 
 	/* Claim resources. This might need some rework as well depending
-	 * wether we are doing probe-only or not, like assigning unassigned
+	 * whether we are doing probe-only or not, like assigning unassigned
 	 * resources etc...
 	 */
 	pcibios_claim_one_bus(phb->bus);
 
 	/* Finish EEH setup */
-#ifdef CONFIG_EEH
 	eeh_add_device_tree_late(phb->bus);
-#endif
 
 	/* Add probed PCI devices to the device model */
 	pci_bus_add_devices(phb->bus);
 
+	/* sysfs files should only be added after devices are added */
+	eeh_add_sysfs_files(phb->bus);
+
 	return 0;
 }
 
@@ -306,17 +106,18 @@ static struct of_device_id of_pci_phb_ids[] = {
 	{}
 };
 
-static struct of_platform_driver of_pci_phb_driver = {
-	.match_table = of_pci_phb_ids,
+static struct platform_driver of_pci_phb_driver = {
 	.probe = of_pci_phb_probe,
 	.driver = {
 		.name = "of-pci",
+		.owner = THIS_MODULE,
+		.of_match_table = of_pci_phb_ids,
 	},
 };
 
 static __init int of_pci_phb_init(void)
 {
-	return of_register_platform_driver(&of_pci_phb_driver);
+	return platform_driver_register(&of_pci_phb_driver);
 }
 
 device_initcall(of_pci_phb_init);