Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6:
  Driver Core: devtmpfs - kernel-maintained tmpfs-based /dev
  debugfs: Modify default debugfs directory for debugging pktcdvd.
  debugfs: Modified default dir of debugfs for debugging UHCI.
  debugfs: Change debugfs directory of IWMC3200
  debugfs: Change debuhgfs directory of trace-events-sample.h
  debugfs: Fix mount directory of debugfs by default in events.txt
  hpilo: add poll f_op
  hpilo: add interrupt handler
  hpilo: staging for interrupt handling
  driver core: platform_device_add_data(): use kmemdup()
  Driver core: Add support for compatibility classes
  uio: add generic driver for PCI 2.3 devices
  driver-core: move dma-coherent.c from kernel to driver/base
  mem_class: fix bug
  mem_class: use minor as index instead of searching the array
  driver model: constify attribute groups
  UIO: remove 'default n' from Kconfig
  Driver core: Add accessor for device platform data
  Driver core: move dev_get/set_drvdata to drivers/base/dd.c
  Driver core: add new device to bus's list before probing

1 files changed, 20 insertions, 9 deletions

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 7ecb193..390e664 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -341,7 +341,7 @@ static void device_remove_attributes(struct device *dev,
 }
 
 static int device_add_groups(struct device *dev,
-			     struct attribute_group **groups)
+			     const struct attribute_group **groups)
 {
 	int error = 0;
 	int i;
@@ -361,7 +361,7 @@ static int device_add_groups(struct device *dev,
 }
 
 static void device_remove_groups(struct device *dev,
-				 struct attribute_group **groups)
+				 const struct attribute_group **groups)
 {
 	int i;
 
@@ -843,6 +843,17 @@ static void device_remove_sys_dev_entry(struct device *dev)
 	}
 }
 
+int device_private_init(struct device *dev)
+{
+	dev->p = kzalloc(sizeof(*dev->p), GFP_KERNEL);
+	if (!dev->p)
+		return -ENOMEM;
+	dev->p->device = dev;
+	klist_init(&dev->p->klist_children, klist_children_get,
+		   klist_children_put);
+	return 0;
+}
+
 /**
  * device_add - add device to device hierarchy.
  * @dev: device.
@@ -868,14 +879,11 @@ int device_add(struct device *dev)
 	if (!dev)
 		goto done;
 
-	dev->p = kzalloc(sizeof(*dev->p), GFP_KERNEL);
 	if (!dev->p) {
-		error = -ENOMEM;
-		goto done;
+		error = device_private_init(dev);
+		if (error)
+			goto done;
 	}
-	dev->p->device = dev;
-	klist_init(&dev->p->klist_children, klist_children_get,
-		   klist_children_put);
 
 	/*
 	 * for statically allocated devices, which should all be converted
@@ -921,6 +929,8 @@ int device_add(struct device *dev)
 		error = device_create_sys_dev_entry(dev);
 		if (error)
 			goto devtattrError;
+
+		devtmpfs_create_node(dev);
 	}
 
 	error = device_add_class_symlinks(dev);
@@ -945,7 +955,7 @@ int device_add(struct device *dev)
 					     BUS_NOTIFY_ADD_DEVICE, dev);
 
 	kobject_uevent(&dev->kobj, KOBJ_ADD);
-	bus_attach_device(dev);
+	bus_probe_device(dev);
 	if (parent)
 		klist_add_tail(&dev->p->knode_parent,
 			       &parent->p->klist_children);
@@ -1067,6 +1077,7 @@ void device_del(struct device *dev)
 	if (parent)
 		klist_del(&dev->p->knode_parent);
 	if (MAJOR(dev->devt)) {
+		devtmpfs_delete_node(dev);
 		device_remove_sys_dev_entry(dev);
 		device_remove_file(dev, &devt_attr);
 	}