10 files changed, 421 insertions, 125 deletions

diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index f62efdfd176..c00d4ca1ee1 100644
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -201,13 +201,14 @@ int ibmebus_register_driver(struct of_platform_driver *drv)
 	/* If the driver uses devices that ibmebus doesn't know, add them */
 	ibmebus_create_devices(drv->driver.of_match_table);
 
-	return of_register_driver(drv, &ibmebus_bus_type);
+	drv->driver.bus = &ibmebus_bus_type;
+	return driver_register(&drv->driver);
 }
 EXPORT_SYMBOL(ibmebus_register_driver);
 
 void ibmebus_unregister_driver(struct of_platform_driver *drv)
 {
-	of_unregister_driver(drv);
+	driver_unregister(&drv->driver);
 }
 EXPORT_SYMBOL(ibmebus_unregister_driver);
 
@@ -308,15 +309,410 @@ static ssize_t ibmebus_store_remove(struct bus_type *bus,
 	}
 }
 
+
 static struct bus_attribute ibmebus_bus_attrs[] = {
 	__ATTR(probe, S_IWUSR, NULL, ibmebus_store_probe),
 	__ATTR(remove, S_IWUSR, NULL, ibmebus_store_remove),
 	__ATTR_NULL
 };
 
+static int ibmebus_bus_bus_match(struct device *dev, struct device_driver *drv)
+{
+	const struct of_device_id *matches = drv->of_match_table;
+
+	if (!matches)
+		return 0;
+
+	return of_match_device(matches, dev) != NULL;
+}
+
+static int ibmebus_bus_device_probe(struct device *dev)
+{
+	int error = -ENODEV;
+	struct of_platform_driver *drv;
+	struct platform_device *of_dev;
+	const struct of_device_id *match;
+
+	drv = to_of_platform_driver(dev->driver);
+	of_dev = to_platform_device(dev);
+
+	if (!drv->probe)
+		return error;
+
+	of_dev_get(of_dev);
+
+	match = of_match_device(drv->driver.of_match_table, dev);
+	if (match)
+		error = drv->probe(of_dev, match);
+	if (error)
+		of_dev_put(of_dev);
+
+	return error;
+}
+
+static int ibmebus_bus_device_remove(struct device *dev)
+{
+	struct platform_device *of_dev = to_platform_device(dev);
+	struct of_platform_driver *drv = to_of_platform_driver(dev->driver);
+
+	if (dev->driver && drv->remove)
+		drv->remove(of_dev);
+	return 0;
+}
+
+static void ibmebus_bus_device_shutdown(struct device *dev)
+{
+	struct platform_device *of_dev = to_platform_device(dev);
+	struct of_platform_driver *drv = to_of_platform_driver(dev->driver);
+
+	if (dev->driver && drv->shutdown)
+		drv->shutdown(of_dev);
+}
+
+/*
+ * ibmebus_bus_device_attrs
+ */
+static ssize_t devspec_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	struct platform_device *ofdev;
+
+	ofdev = to_platform_device(dev);
+	return sprintf(buf, "%s\n", ofdev->dev.of_node->full_name);
+}
+
+static ssize_t name_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	struct platform_device *ofdev;
+
+	ofdev = to_platform_device(dev);
+	return sprintf(buf, "%s\n", ofdev->dev.of_node->name);
+}
+
+static ssize_t modalias_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	ssize_t len = of_device_get_modalias(dev, buf, PAGE_SIZE - 2);
+	buf[len] = '\n';
+	buf[len+1] = 0;
+	return len+1;
+}
+
+struct device_attribute ibmebus_bus_device_attrs[] = {
+	__ATTR_RO(devspec),
+	__ATTR_RO(name),
+	__ATTR_RO(modalias),
+	__ATTR_NULL
+};
+
+#ifdef CONFIG_PM_SLEEP
+static int ibmebus_bus_legacy_suspend(struct device *dev, pm_message_t mesg)
+{
+	struct platform_device *of_dev = to_platform_device(dev);
+	struct of_platform_driver *drv = to_of_platform_driver(dev->driver);
+	int ret = 0;
+
+	if (dev->driver && drv->suspend)
+		ret = drv->suspend(of_dev, mesg);
+	return ret;
+}
+
+static int ibmebus_bus_legacy_resume(struct device *dev)
+{
+	struct platform_device *of_dev = to_platform_device(dev);
+	struct of_platform_driver *drv = to_of_platform_driver(dev->driver);
+	int ret = 0;
+
+	if (dev->driver && drv->resume)
+		ret = drv->resume(of_dev);
+	return ret;
+}
+
+static int ibmebus_bus_pm_prepare(struct device *dev)
+{
+	struct device_driver *drv = dev->driver;
+	int ret = 0;
+
+	if (drv && drv->pm && drv->pm->prepare)
+		ret = drv->pm->prepare(dev);
+
+	return ret;
+}
+
+static void ibmebus_bus_pm_complete(struct device *dev)
+{
+	struct device_driver *drv = dev->driver;
+
+	if (drv && drv->pm && drv->pm->complete)
+		drv->pm->complete(dev);
+}
+
+#ifdef CONFIG_SUSPEND
+
+static int ibmebus_bus_pm_suspend(struct device *dev)
+{
+	struct device_driver *drv = dev->driver;
+	int ret = 0;
+
+	if (!drv)
+		return 0;
+
+	if (drv->pm) {
+		if (drv->pm->suspend)
+			ret = drv->pm->suspend(dev);
+	} else {
+		ret = ibmebus_bus_legacy_suspend(dev, PMSG_SUSPEND);
+	}
+
+	return ret;
+}
+
+static int ibmebus_bus_pm_suspend_noirq(struct device *dev)
+{
+	struct device_driver *drv = dev->driver;
+	int ret = 0;
+
+	if (!drv)
+		return 0;
+
+	if (drv->pm) {
+		if (drv->pm->suspend_noirq)
+			ret = drv->pm->suspend_noirq(dev);
+	}
+
+	return ret;
+}
+
+static int ibmebus_bus_pm_resume(struct device *dev)
+{
+	struct device_driver *drv = dev->driver;
+	int ret = 0;
+
+	if (!drv)
+		return 0;
+
+	if (drv->pm) {
+		if (drv->pm->resume)
+			ret = drv->pm->resume(dev);
+	} else {
+		ret = ibmebus_bus_legacy_resume(dev);
+	}
+
+	return ret;
+}
+
+static int ibmebus_bus_pm_resume_noirq(struct device *dev)
+{
+	struct device_driver *drv = dev->driver;
+	int ret = 0;
+
+	if (!drv)
+		return 0;
+
+	if (drv->pm) {
+		if (drv->pm->resume_noirq)
+			ret = drv->pm->resume_noirq(dev);
+	}
+
+	return ret;
+}
+
+#else /* !CONFIG_SUSPEND */
+
+#define ibmebus_bus_pm_suspend		NULL
+#define ibmebus_bus_pm_resume		NULL
+#define ibmebus_bus_pm_suspend_noirq	NULL
+#define ibmebus_bus_pm_resume_noirq	NULL
+
+#endif /* !CONFIG_SUSPEND */
+
+#ifdef CONFIG_HIBERNATION
+
+static int ibmebus_bus_pm_freeze(struct device *dev)
+{
+	struct device_driver *drv = dev->driver;
+	int ret = 0;
+
+	if (!drv)
+		return 0;
+
+	if (drv->pm) {
+		if (drv->pm->freeze)
+			ret = drv->pm->freeze(dev);
+	} else {
+		ret = ibmebus_bus_legacy_suspend(dev, PMSG_FREEZE);
+	}
+
+	return ret;
+}
+
+static int ibmebus_bus_pm_freeze_noirq(struct device *dev)
+{
+	struct device_driver *drv = dev->driver;
+	int ret = 0;
+
+	if (!drv)
+		return 0;
+
+	if (drv->pm) {
+		if (drv->pm->freeze_noirq)
+			ret = drv->pm->freeze_noirq(dev);
+	}
+
+	return ret;
+}
+
+static int ibmebus_bus_pm_thaw(struct device *dev)
+{
+	struct device_driver *drv = dev->driver;
+	int ret = 0;
+
+	if (!drv)
+		return 0;
+
+	if (drv->pm) {
+		if (drv->pm->thaw)
+			ret = drv->pm->thaw(dev);
+	} else {
+		ret = ibmebus_bus_legacy_resume(dev);
+	}
+
+	return ret;
+}
+
+static int ibmebus_bus_pm_thaw_noirq(struct device *dev)
+{
+	struct device_driver *drv = dev->driver;
+	int ret = 0;
+
+	if (!drv)
+		return 0;
+
+	if (drv->pm) {
+		if (drv->pm->thaw_noirq)
+			ret = drv->pm->thaw_noirq(dev);
+	}
+
+	return ret;
+}
+
+static int ibmebus_bus_pm_poweroff(struct device *dev)
+{
+	struct device_driver *drv = dev->driver;
+	int ret = 0;
+
+	if (!drv)
+		return 0;
+
+	if (drv->pm) {
+		if (drv->pm->poweroff)
+			ret = drv->pm->poweroff(dev);
+	} else {
+		ret = ibmebus_bus_legacy_suspend(dev, PMSG_HIBERNATE);
+	}
+
+	return ret;
+}
+
+static int ibmebus_bus_pm_poweroff_noirq(struct device *dev)
+{
+	struct device_driver *drv = dev->driver;
+	int ret = 0;
+
+	if (!drv)
+		return 0;
+
+	if (drv->pm) {
+		if (drv->pm->poweroff_noirq)
+			ret = drv->pm->poweroff_noirq(dev);
+	}
+
+	return ret;
+}
+
+static int ibmebus_bus_pm_restore(struct device *dev)
+{
+	struct device_driver *drv = dev->driver;
+	int ret = 0;
+
+	if (!drv)
+		return 0;
+
+	if (drv->pm) {
+		if (drv->pm->restore)
+			ret = drv->pm->restore(dev);
+	} else {
+		ret = ibmebus_bus_legacy_resume(dev);
+	}
+
+	return ret;
+}
+
+static int ibmebus_bus_pm_restore_noirq(struct device *dev)
+{
+	struct device_driver *drv = dev->driver;
+	int ret = 0;
+
+	if (!drv)
+		return 0;
+
+	if (drv->pm) {
+		if (drv->pm->restore_noirq)
+			ret = drv->pm->restore_noirq(dev);
+	}
+
+	return ret;
+}
+
+#else /* !CONFIG_HIBERNATION */
+
+#define ibmebus_bus_pm_freeze		NULL
+#define ibmebus_bus_pm_thaw		NULL
+#define ibmebus_bus_pm_poweroff		NULL
+#define ibmebus_bus_pm_restore		NULL
+#define ibmebus_bus_pm_freeze_noirq	NULL
+#define ibmebus_bus_pm_thaw_noirq		NULL
+#define ibmebus_bus_pm_poweroff_noirq	NULL
+#define ibmebus_bus_pm_restore_noirq	NULL
+
+#endif /* !CONFIG_HIBERNATION */
+
+static struct dev_pm_ops ibmebus_bus_dev_pm_ops = {
+	.prepare = ibmebus_bus_pm_prepare,
+	.complete = ibmebus_bus_pm_complete,
+	.suspend = ibmebus_bus_pm_suspend,
+	.resume = ibmebus_bus_pm_resume,
+	.freeze = ibmebus_bus_pm_freeze,
+	.thaw = ibmebus_bus_pm_thaw,
+	.poweroff = ibmebus_bus_pm_poweroff,
+	.restore = ibmebus_bus_pm_restore,
+	.suspend_noirq = ibmebus_bus_pm_suspend_noirq,
+	.resume_noirq = ibmebus_bus_pm_resume_noirq,
+	.freeze_noirq = ibmebus_bus_pm_freeze_noirq,
+	.thaw_noirq = ibmebus_bus_pm_thaw_noirq,
+	.poweroff_noirq = ibmebus_bus_pm_poweroff_noirq,
+	.restore_noirq = ibmebus_bus_pm_restore_noirq,
+};
+
+#define IBMEBUS_BUS_PM_OPS_PTR	(&ibmebus_bus_dev_pm_ops)
+
+#else /* !CONFIG_PM_SLEEP */
+
+#define IBMEBUS_BUS_PM_OPS_PTR	NULL
+
+#endif /* !CONFIG_PM_SLEEP */
+
 struct bus_type ibmebus_bus_type = {
+	.name      = "ibmebus",
 	.uevent    = of_device_uevent,
-	.bus_attrs = ibmebus_bus_attrs
+	.bus_attrs = ibmebus_bus_attrs,
+	.match     = ibmebus_bus_bus_match,
+	.probe     = ibmebus_bus_device_probe,
+	.remove    = ibmebus_bus_device_remove,
+	.shutdown  = ibmebus_bus_device_shutdown,
+	.dev_attrs = ibmebus_bus_device_attrs,
+	.pm        = IBMEBUS_BUS_PM_OPS_PTR,
 };
 EXPORT_SYMBOL(ibmebus_bus_type);
 
@@ -326,7 +722,7 @@ static int __init ibmebus_bus_init(void)
 
 	printk(KERN_INFO "IBM eBus Device Driver\n");
 
-	err = of_bus_type_init(&ibmebus_bus_type, "ibmebus");
+	err = bus_register(&ibmebus_bus_type);
 	if (err) {
 		printk(KERN_ERR "%s: failed to register IBM eBus.\n",
 		       __func__);
diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index b2c363ef38a..24582181b6e 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -36,8 +36,7 @@
  * lacking some bits needed here.
  */
 
-static int __devinit of_pci_phb_probe(struct platform_device *dev,
-				      const struct of_device_id *match)
+static int __devinit of_pci_phb_probe(struct platform_device *dev)
 {
 	struct pci_controller *phb;
 
@@ -74,7 +73,7 @@ static int __devinit of_pci_phb_probe(struct platform_device *dev,
 #endif /* CONFIG_EEH */
 
 	/* Scan the bus */
-	pcibios_scan_phb(phb, dev->dev.of_node);
+	pcibios_scan_phb(phb);
 	if (phb->bus == NULL)
 		return -ENXIO;
 
@@ -104,7 +103,7 @@ static struct of_device_id of_pci_phb_ids[] = {
 	{}
 };
 
-static struct of_platform_driver of_pci_phb_driver = {
+static struct platform_driver of_pci_phb_driver = {
 	.probe = of_pci_phb_probe,
 	.driver = {
 		.name = "of-pci",
@@ -115,7 +114,7 @@ static struct of_platform_driver of_pci_phb_driver = {
 
 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);
diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c
index ebf9846f3c3..f4adf89d761 100644
--- a/arch/powerpc/kernel/paca.c
+++ b/arch/powerpc/kernel/paca.c
@@ -27,20 +27,6 @@ extern unsigned long __toc_start;
 #ifdef CONFIG_PPC_BOOK3S
 
 /*
- * We only have to have statically allocated lppaca structs on
- * legacy iSeries, which supports at most 64 cpus.
- */
-#ifdef CONFIG_PPC_ISERIES
-#if NR_CPUS < 64
-#define NR_LPPACAS	NR_CPUS
-#else
-#define NR_LPPACAS	64
-#endif
-#else /* not iSeries */
-#define NR_LPPACAS	1
-#endif
-
-/*
  * The structure which the hypervisor knows about - this structure
  * should not cross a page boundary.  The vpa_init/register_vpa call
  * is now known to fail if the lppaca structure crosses a page
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 10a44e68ef1..3cd85faa8ac 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -22,6 +22,7 @@
 #include <linux/init.h>
 #include <linux/bootmem.h>
 #include <linux/of_address.h>
+#include <linux/of_pci.h>
 #include <linux/mm.h>
 #include <linux/list.h>
 #include <linux/syscalls.h>
@@ -1687,13 +1688,8 @@ int early_find_capability(struct pci_controller *hose, int bus, int devfn,
 /**
  * pci_scan_phb - Given a pci_controller, setup and scan the PCI bus
  * @hose: Pointer to the PCI host controller instance structure
- * @sysdata: value to use for sysdata pointer.  ppc32 and ppc64 differ here
- *
- * Note: the 'data' pointer is a temporary measure.  As 32 and 64 bit
- * pci code gets merged, this parameter should become unnecessary because
- * both will use the same value.
  */
-void __devinit pcibios_scan_phb(struct pci_controller *hose, void *sysdata)
+void __devinit pcibios_scan_phb(struct pci_controller *hose)
 {
 	struct pci_bus *bus;
 	struct device_node *node = hose->dn;
@@ -1703,13 +1699,13 @@ void __devinit pcibios_scan_phb(struct pci_controller *hose, void *sysdata)
 		 node ? node->full_name : "<NO NAME>");
 
 	/* Create an empty bus for the toplevel */
-	bus = pci_create_bus(hose->parent, hose->first_busno, hose->ops,
-			     sysdata);
+	bus = pci_create_bus(hose->parent, hose->first_busno, hose->ops, hose);
 	if (bus == NULL) {
 		pr_err("Failed to create bus for PCI domain %04x\n",
 			hose->global_number);
 		return;
 	}
+	bus->dev.of_node = of_node_get(node);
 	bus->secondary = hose->first_busno;
 	hose->bus = bus;
 
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index e7db5b48004..bedb370459f 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -381,7 +381,7 @@ static int __init pcibios_init(void)
 		if (pci_assign_all_buses)
 			hose->first_busno = next_busno;
 		hose->last_busno = 0xff;
-		pcibios_scan_phb(hose, hose);
+		pcibios_scan_phb(hose);
 		pci_bus_add_devices(hose->bus);
 		if (pci_assign_all_buses || next_busno <= hose->last_busno)
 			next_busno = hose->last_busno + pcibios_assign_bus_offset;
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 851577608a7..fc6452b6be9 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -64,7 +64,7 @@ static int __init pcibios_init(void)
 
 	/* Scan all of the recorded PCI controllers.  */
 	list_for_each_entry_safe(hose, tmp, &hose_list, list_node) {
-		pcibios_scan_phb(hose, hose->dn);
+		pcibios_scan_phb(hose);
 		pci_bus_add_devices(hose->bus);
 	}
 
@@ -242,10 +242,10 @@ long sys_pciconfig_iobase(long which, unsigned long in_bus,
 			break;
 		bus = NULL;
 	}
-	if (bus == NULL || bus->sysdata == NULL)
+	if (bus == NULL || bus->dev.of_node == NULL)
 		return -ENODEV;
 
-	hose_node = (struct device_node *)bus->sysdata;
+	hose_node = bus->dev.of_node;
 	hose = PCI_DN(hose_node)->phb;
 
 	switch (which) {
diff --git a/arch/powerpc/kernel/pci_dn.c b/arch/powerpc/kernel/pci_dn.c
index d56b35ee7f7..29852688cea 100644
--- a/arch/powerpc/kernel/pci_dn.c
+++ b/arch/powerpc/kernel/pci_dn.c
@@ -161,7 +161,7 @@ static void *is_devfn_node(struct device_node *dn, void *data)
 /*
  * This is the "slow" path for looking up a device_node from a
  * pci_dev.  It will hunt for the device under its parent's
- * phb and then update sysdata for a future fastpath.
+ * phb and then update of_node pointer.
  *
  * It may also do fixups on the actual device since this happens
  * on the first read/write.
@@ -170,16 +170,19 @@ static void *is_devfn_node(struct device_node *dn, void *data)
  * In this case it may probe for real hardware ("just in case")
  * and add a device_node to the device tree if necessary.
  *
+ * Is this function necessary anymore now that dev->dev.of_node is
+ * used to store the node pointer?
+ *
  */
 struct device_node *fetch_dev_dn(struct pci_dev *dev)
 {
-	struct device_node *orig_dn = dev->sysdata;
+	struct device_node *orig_dn = dev->dev.of_node;
 	struct device_node *dn;
 	unsigned long searchval = (dev->bus->number << 8) | dev->devfn;
 
 	dn = traverse_pci_devices(orig_dn, is_devfn_node, (void *)searchval);
 	if (dn)
-		dev->sysdata = dn;
+		dev->dev.of_node = dn;
 	return dn;
 }
 EXPORT_SYMBOL(fetch_dev_dn);
diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c
index e751506323b..1e89a72fd03 100644
--- a/arch/powerpc/kernel/pci_of_scan.c
+++ b/arch/powerpc/kernel/pci_of_scan.c
@@ -135,7 +135,7 @@ struct pci_dev *of_create_pci_dev(struct device_node *node,
 	pr_debug("    create device, devfn: %x, type: %s\n", devfn, type);
 
 	dev->bus = bus;
-	dev->sysdata = node;
+	dev->dev.of_node = of_node_get(node);
 	dev->dev.parent = bus->bridge;
 	dev->dev.bus = &pci_bus_type;
 	dev->devfn = devfn;
@@ -238,7 +238,7 @@ void __devinit of_scan_pci_bridge(struct device_node *node,
 	bus->primary = dev->bus->number;
 	bus->subordinate = busrange[1];
 	bus->bridge_ctl = 0;
-	bus->sysdata = node;
+	bus->dev.of_node = of_node_get(node);
 
 	/* parse ranges property */
 	/* PCI #address-cells == 3 and #size-cells == 2 always */
diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c
index c2b7a07cc3d..47187cc2cf0 100644
--- a/arch/powerpc/kernel/prom_parse.c
+++ b/arch/powerpc/kernel/prom_parse.c
@@ -2,95 +2,11 @@
 
 #include <linux/kernel.h>
 #include <linux/string.h>
-#include <linux/pci_regs.h>
 #include <linux/module.h>
 #include <linux/ioport.h>
 #include <linux/etherdevice.h>
 #include <linux/of_address.h>
 #include <asm/prom.h>
-#include <asm/pci-bridge.h>
-
-#ifdef CONFIG_PCI
-int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq)
-{
-	struct device_node *dn, *ppnode;
-	struct pci_dev *ppdev;
-	u32 lspec;
-	u32 laddr[3];
-	u8 pin;
-	int rc;
-
-	/* Check if we have a device node, if yes, fallback to standard OF
-	 * parsing
-	 */
-	dn = pci_device_to_OF_node(pdev);
-	if (dn) {
-		rc = of_irq_map_one(dn, 0, out_irq);
-		if (!rc)
-			return rc;
-	}
-
-	/* Ok, we don't, time to have fun. Let's start by building up an
-	 * interrupt spec.  we assume #interrupt-cells is 1, which is standard
-	 * for PCI. If you do different, then don't use that routine.
-	 */
-	rc = pci_read_config_byte(pdev, PCI_INTERRUPT_PIN, &pin);
-	if (rc != 0)
-		return rc;
-	/* No pin, exit */
-	if (pin == 0)
-		return -ENODEV;
-
-	/* Now we walk up the PCI tree */
-	lspec = pin;
-	for (;;) {
-		/* Get the pci_dev of our parent */
-		ppdev = pdev->bus->self;
-
-		/* Ouch, it's a host bridge... */
-		if (ppdev == NULL) {
-#ifdef CONFIG_PPC64
-			ppnode = pci_bus_to_OF_node(pdev->bus);
-#else
-			struct pci_controller *host;
-			host = pci_bus_to_host(pdev->bus);
-			ppnode = host ? host->dn : NULL;
-#endif
-			/* No node for host bridge ? give up */
-			if (ppnode == NULL)
-				return -EINVAL;
-		} else
-			/* We found a P2P bridge, check if it has a node */
-			ppnode = pci_device_to_OF_node(ppdev);
-
-		/* Ok, we have found a parent with a device-node, hand over to
-		 * the OF parsing code.
-		 * We build a unit address from the linux device to be used for
-		 * resolution. Note that we use the linux bus number which may
-		 * not match your firmware bus numbering.
-		 * Fortunately, in most cases, interrupt-map-mask doesn't include
-		 * the bus number as part of the matching.
-		 * You should still be careful about that though if you intend
-		 * to rely on this function (you ship  a firmware that doesn't
-		 * create device nodes for all PCI devices).
-		 */
-		if (ppnode)
-			break;
-
-		/* We can only get here if we hit a P2P bridge with no node,
-		 * let's do standard swizzling and try again
-		 */
-		lspec = pci_swizzle_interrupt_pin(pdev, lspec);
-		pdev = ppdev;
-	}
-
-	laddr[0] = (pdev->bus->number << 16)
-		| (pdev->devfn << 8);
-	laddr[1]  = laddr[2] = 0;
-	return of_irq_map_raw(ppnode, &lspec, 1, laddr, out_irq);
-}
-EXPORT_SYMBOL_GPL(of_irq_map_pci);
-#endif /* CONFIG_PCI */
 
 void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop,
 		unsigned long *busno, unsigned long *phys, unsigned long *size)
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index 8a0deefac08..b9150f07d26 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -160,7 +160,7 @@ SECTIONS
 		INIT_RAM_FS
 	}
 
-	PERCPU(PAGE_SIZE)
+	PERCPU(L1_CACHE_BYTES, PAGE_SIZE)
 
 	. = ALIGN(8);
 	.machine.desc : AT(ADDR(.machine.desc) - LOAD_OFFSET) {