Merge branch 'linux-2.6'

3 files changed, 66 insertions, 90 deletions

diff --git a/drivers/pci/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c
index 47d26b65e99..750ebd7a4c1 100644
--- a/drivers/pci/hotplug/acpiphp_ibm.c
+++ b/drivers/pci/hotplug/acpiphp_ibm.c
@@ -429,7 +429,7 @@ static int __init ibm_acpiphp_init(void)
 	int retval = 0;
 	acpi_status status;
 	struct acpi_device *device;
-	struct kobject *sysdir = &pci_hotplug_slots_subsys.kobj;
+	struct kobject *sysdir = &pci_hotplug_slots_kset->kobj;
 
 	dbg("%s\n", __FUNCTION__);
 
@@ -476,7 +476,7 @@ init_return:
 static void __exit ibm_acpiphp_exit(void)
 {
 	acpi_status status;
-	struct kobject *sysdir = &pci_hotplug_slots_subsys.kobj;
+	struct kobject *sysdir = &pci_hotplug_slots_kset->kobj;
 
 	dbg("%s\n", __FUNCTION__);
 
diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index 01c351c176a..47bb0e1ff3f 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -61,7 +61,7 @@ static int debug;
 
 static LIST_HEAD(pci_hotplug_slot_list);
 
-struct kset pci_hotplug_slots_subsys;
+struct kset *pci_hotplug_slots_kset;
 
 static ssize_t hotplug_slot_attr_show(struct kobject *kobj,
 		struct attribute *attr, char *buf)
@@ -96,8 +96,6 @@ static struct kobj_type hotplug_slot_ktype = {
 	.release = &hotplug_slot_release,
 };
 
-decl_subsys_name(pci_hotplug_slots, slots, &hotplug_slot_ktype, NULL);
-
 /* these strings match up with the values in pci_bus_speed */
 static char *pci_bus_speed_strings[] = {
 	"33 MHz PCI",		/* 0x00 */
@@ -632,18 +630,19 @@ int pci_hp_register (struct hotplug_slot *slot)
 		return -EINVAL;
 	}
 
-	kobject_set_name(&slot->kobj, "%s", slot->name);
-	kobj_set_kset_s(slot, pci_hotplug_slots_subsys);
-
 	/* this can fail if we have already registered a slot with the same name */
-	if (kobject_register(&slot->kobj)) {
-		err("Unable to register kobject");
+	slot->kobj.kset = pci_hotplug_slots_kset;
+	result = kobject_init_and_add(&slot->kobj, &hotplug_slot_ktype, NULL,
+				      "%s", slot->name);
+	if (result) {
+		err("Unable to register kobject '%s'", slot->name);
 		return -EINVAL;
 	}
-		
+
 	list_add (&slot->slot_list, &pci_hotplug_slot_list);
 
 	result = fs_add_slot (slot);
+	kobject_uevent(&slot->kobj, KOBJ_ADD);
 	dbg ("Added slot %s to the list\n", slot->name);
 	return result;
 }
@@ -672,7 +671,7 @@ int pci_hp_deregister (struct hotplug_slot *slot)
 
 	fs_remove_slot (slot);
 	dbg ("Removed slot %s from the list\n", slot->name);
-	kobject_unregister(&slot->kobj);
+	kobject_put(&slot->kobj);
 	return 0;
 }
 
@@ -700,11 +699,15 @@ int __must_check pci_hp_change_slot_info(struct hotplug_slot *slot,
 static int __init pci_hotplug_init (void)
 {
 	int result;
+	struct kset *pci_bus_kset;
 
-	kobj_set_kset_s(&pci_hotplug_slots_subsys, pci_bus_type.subsys);
-	result = subsystem_register(&pci_hotplug_slots_subsys);
-	if (result) {
-		err("Register subsys with error %d\n", result);
+	pci_bus_kset = bus_get_kset(&pci_bus_type);
+
+	pci_hotplug_slots_kset = kset_create_and_add("slots", NULL,
+						     &pci_bus_kset->kobj);
+	if (!pci_hotplug_slots_kset) {
+		result = -ENOMEM;
+		err("Register subsys error\n");
 		goto exit;
 	}
 	result = cpci_hotplug_init(debug);
@@ -715,9 +718,9 @@ static int __init pci_hotplug_init (void)
 
 	info (DRIVER_DESC " version: " DRIVER_VERSION "\n");
 	goto exit;
-	
+
 err_subsys:
-	subsystem_unregister(&pci_hotplug_slots_subsys);
+	kset_unregister(pci_hotplug_slots_kset);
 exit:
 	return result;
 }
@@ -725,7 +728,7 @@ exit:
 static void __exit pci_hotplug_exit (void)
 {
 	cpci_hotplug_exit();
-	subsystem_unregister(&pci_hotplug_slots_subsys);
+	kset_unregister(pci_hotplug_slots_kset);
 }
 
 module_init(pci_hotplug_init);
@@ -737,7 +740,7 @@ MODULE_LICENSE("GPL");
 module_param(debug, bool, 0644);
 MODULE_PARM_DESC(debug, "Debugging mode enabled or not");
 
-EXPORT_SYMBOL_GPL(pci_hotplug_slots_subsys);
+EXPORT_SYMBOL_GPL(pci_hotplug_slots_kset);
 EXPORT_SYMBOL_GPL(pci_hp_register);
 EXPORT_SYMBOL_GPL(pci_hp_deregister);
 EXPORT_SYMBOL_GPL(pci_hp_change_slot_info);
diff --git a/drivers/pci/hotplug/rpadlpar_sysfs.c b/drivers/pci/hotplug/rpadlpar_sysfs.c
index a080fedf033..e32148a8fa1 100644
--- a/drivers/pci/hotplug/rpadlpar_sysfs.c
+++ b/drivers/pci/hotplug/rpadlpar_sysfs.c
@@ -23,44 +23,13 @@
 
 #define MAX_DRC_NAME_LEN 64
 
-/* Store return code of dlpar operation in attribute struct */
-struct dlpar_io_attr {
-	int rc;
-	struct attribute attr;
-	ssize_t (*store)(struct dlpar_io_attr *dlpar_attr, const char *buf,
-		size_t nbytes);
-};
 
-/* Common show callback for all attrs, display the return code
- * of the dlpar op */
-static ssize_t
-dlpar_attr_show(struct kobject * kobj, struct attribute * attr, char * buf)
-{
-	struct dlpar_io_attr *dlpar_attr = container_of(attr,
-						struct dlpar_io_attr, attr);
-	return sprintf(buf, "%d\n", dlpar_attr->rc);
-}
-
-static ssize_t
-dlpar_attr_store(struct kobject * kobj, struct attribute * attr,
-		 const char *buf, size_t nbytes)
-{
-	struct dlpar_io_attr *dlpar_attr = container_of(attr,
-						struct dlpar_io_attr, attr);
-	return dlpar_attr->store ?
-		dlpar_attr->store(dlpar_attr, buf, nbytes) : -EIO;
-}
-
-static struct sysfs_ops dlpar_attr_sysfs_ops = {
-	.show = dlpar_attr_show,
-	.store = dlpar_attr_store,
-};
-
-static ssize_t add_slot_store(struct dlpar_io_attr *dlpar_attr,
-				const char *buf, size_t nbytes)
+static ssize_t add_slot_store(struct kobject *kobj, struct kobj_attribute *attr,
+			      const char *buf, size_t nbytes)
 {
 	char drc_name[MAX_DRC_NAME_LEN];
 	char *end;
+	int rc;
 
 	if (nbytes >= MAX_DRC_NAME_LEN)
 		return 0;
@@ -72,15 +41,25 @@ static ssize_t add_slot_store(struct dlpar_io_attr *dlpar_attr,
 		end = &drc_name[nbytes];
 	*end = '\0';
 
-	dlpar_attr->rc = dlpar_add_slot(drc_name);
+	rc = dlpar_add_slot(drc_name);
+	if (rc)
+		return rc;
 
 	return nbytes;
 }
 
-static ssize_t remove_slot_store(struct dlpar_io_attr *dlpar_attr,
-		 		const char *buf, size_t nbytes)
+static ssize_t add_slot_show(struct kobject *kobj,
+			     struct kobj_attribute *attr, char *buf)
+{
+	return sprintf(buf, "0\n");
+}
+
+static ssize_t remove_slot_store(struct kobject *kobj,
+				 struct kobj_attribute *attr,
+				 const char *buf, size_t nbytes)
 {
 	char drc_name[MAX_DRC_NAME_LEN];
+	int rc;
 	char *end;
 
 	if (nbytes >= MAX_DRC_NAME_LEN)
@@ -93,22 +72,24 @@ static ssize_t remove_slot_store(struct dlpar_io_attr *dlpar_attr,
 		end = &drc_name[nbytes];
 	*end = '\0';
 
-	dlpar_attr->rc = dlpar_remove_slot(drc_name);
+	rc = dlpar_remove_slot(drc_name);
+	if (rc)
+		return rc;
 
 	return nbytes;
 }
 
-static struct dlpar_io_attr add_slot_attr = {
-	.rc = 0,
-	.attr = { .name = ADD_SLOT_ATTR_NAME, .mode = 0644, },
-	.store = add_slot_store,
-};
+static ssize_t remove_slot_show(struct kobject *kobj,
+				struct kobj_attribute *attr, char *buf)
+{
+	return sprintf(buf, "0\n");
+}
 
-static struct dlpar_io_attr remove_slot_attr = {
-	.rc = 0,
-	.attr = { .name = REMOVE_SLOT_ATTR_NAME, .mode = 0644},
-	.store = remove_slot_store,
-};
+static struct kobj_attribute add_slot_attr =
+	__ATTR(ADD_SLOT_ATTR_NAME, 0644, add_slot_show, add_slot_store);
+
+static struct kobj_attribute remove_slot_attr =
+	__ATTR(REMOVE_SLOT_ATTR_NAME, 0644, remove_slot_show, remove_slot_store);
 
 static struct attribute *default_attrs[] = {
 	&add_slot_attr.attr,
@@ -116,37 +97,29 @@ static struct attribute *default_attrs[] = {
 	NULL,
 };
 
-static void dlpar_io_release(struct kobject *kobj)
-{
-	/* noop */
-	return;
-}
-
-struct kobj_type ktype_dlpar_io = {
-	.release = dlpar_io_release,
-	.sysfs_ops = &dlpar_attr_sysfs_ops,
-	.default_attrs = default_attrs,
+static struct attribute_group dlpar_attr_group = {
+	.attrs = default_attrs,
 };
 
-struct kset dlpar_io_kset = {
-	.kobj = {.ktype = &ktype_dlpar_io,
-		 .parent = &pci_hotplug_slots_subsys.kobj},
-	.ktype = &ktype_dlpar_io,
-};
+static struct kobject *dlpar_kobj;
 
 int dlpar_sysfs_init(void)
 {
-	kobject_set_name(&dlpar_io_kset.kobj, DLPAR_KOBJ_NAME);
-	if (kset_register(&dlpar_io_kset)) {
-		printk(KERN_ERR "rpadlpar_io: cannot register kset for %s\n",
-				kobject_name(&dlpar_io_kset.kobj));
+	int error;
+
+	dlpar_kobj = kobject_create_and_add(DLPAR_KOBJ_NAME,
+					    &pci_hotplug_slots_kset->kobj);
+	if (!dlpar_kobj)
 		return -EINVAL;
-	}
 
-	return 0;
+	error = sysfs_create_group(dlpar_kobj, &dlpar_attr_group);
+	if (error)
+		kobject_put(dlpar_kobj);
+	return error;
 }
 
 void dlpar_sysfs_exit(void)
 {
-	kset_unregister(&dlpar_io_kset);
+	sysfs_remove_group(dlpar_kobj, &dlpar_attr_group);
+	kobject_put(dlpar_kobj);
 }