diff options
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/hotplug/acpiphp_ibm.c | 4 | ||||
| -rw-r--r-- | drivers/pci/hotplug/pci_hotplug_core.c | 39 | ||||
| -rw-r--r-- | drivers/pci/hotplug/rpadlpar_sysfs.c | 113 | ||||
| -rw-r--r-- | drivers/pci/pci-driver.c | 59 | ||||
| -rw-r--r-- | drivers/pci/probe.c | 11 |
5 files changed, 85 insertions, 141 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); } diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 6d1a2161181..c4fa35d1dd7 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -1,6 +1,11 @@ /* * drivers/pci/pci-driver.c * + * (C) Copyright 2002-2004, 2007 Greg Kroah-Hartman <greg@kroah.com> + * (C) Copyright 2007 Novell Inc. + * + * Released under the GPL v2 only. + * */ #include <linux/pci.h> @@ -96,17 +101,21 @@ pci_create_newid_file(struct pci_driver *drv) { int error = 0; if (drv->probe != NULL) - error = sysfs_create_file(&drv->driver.kobj, - &driver_attr_new_id.attr); + error = driver_create_file(&drv->driver, &driver_attr_new_id); return error; } +static void pci_remove_newid_file(struct pci_driver *drv) +{ + driver_remove_file(&drv->driver, &driver_attr_new_id); +} #else /* !CONFIG_HOTPLUG */ static inline void pci_free_dynids(struct pci_driver *drv) {} static inline int pci_create_newid_file(struct pci_driver *drv) { return 0; } +static inline void pci_remove_newid_file(struct pci_driver *drv) {} #endif /** @@ -352,50 +361,6 @@ static void pci_device_shutdown(struct device *dev) drv->shutdown(pci_dev); } -#define kobj_to_pci_driver(obj) container_of(obj, struct device_driver, kobj) -#define attr_to_driver_attribute(obj) container_of(obj, struct driver_attribute, attr) - -static ssize_t -pci_driver_attr_show(struct kobject * kobj, struct attribute *attr, char *buf) -{ - struct device_driver *driver = kobj_to_pci_driver(kobj); - struct driver_attribute *dattr = attr_to_driver_attribute(attr); - ssize_t ret; - - if (!get_driver(driver)) - return -ENODEV; - - ret = dattr->show ? dattr->show(driver, buf) : -EIO; - - put_driver(driver); - return ret; -} - -static ssize_t -pci_driver_attr_store(struct kobject * kobj, struct attribute *attr, - const char *buf, size_t count) -{ - struct device_driver *driver = kobj_to_pci_driver(kobj); - struct driver_attribute *dattr = attr_to_driver_attribute(attr); - ssize_t ret; - - if (!get_driver(driver)) - return -ENODEV; - - ret = dattr->store ? dattr->store(driver, buf, count) : -EIO; - - put_driver(driver); - return ret; -} - -static struct sysfs_ops pci_driver_sysfs_ops = { - .show = pci_driver_attr_show, - .store = pci_driver_attr_store, -}; -static struct kobj_type pci_driver_kobj_type = { - .sysfs_ops = &pci_driver_sysfs_ops, -}; - /** * __pci_register_driver - register a new pci driver * @drv: the driver structure to register @@ -417,7 +382,6 @@ int __pci_register_driver(struct pci_driver *drv, struct module *owner, drv->driver.bus = &pci_bus_type; drv->driver.owner = owner; drv->driver.mod_name = mod_name; - drv->driver.kobj.ktype = &pci_driver_kobj_type; spin_lock_init(&drv->dynids.lock); INIT_LIST_HEAD(&drv->dynids.list); @@ -447,6 +411,7 @@ int __pci_register_driver(struct pci_driver *drv, struct module *owner, void pci_unregister_driver(struct pci_driver *drv) { + pci_remove_newid_file(drv); driver_unregister(&drv->driver); pci_free_dynids(drv); } diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index c5ca3134513..5fd585293e7 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1210,16 +1210,19 @@ static void __init pci_sort_breadthfirst_klist(void) struct klist_node *n; struct device *dev; struct pci_dev *pdev; + struct klist *device_klist; - spin_lock(&pci_bus_type.klist_devices.k_lock); - list_for_each_safe(pos, tmp, &pci_bus_type.klist_devices.k_list) { + device_klist = bus_get_device_klist(&pci_bus_type); + + spin_lock(&device_klist->k_lock); + list_for_each_safe(pos, tmp, &device_klist->k_list) { n = container_of(pos, struct klist_node, n_node); dev = container_of(n, struct device, knode_bus); pdev = to_pci_dev(dev); pci_insertion_sort_klist(pdev, &sorted_devices); } - list_splice(&sorted_devices, &pci_bus_type.klist_devices.k_list); - spin_unlock(&pci_bus_type.klist_devices.k_lock); + list_splice(&sorted_devices, &device_klist->k_list); + spin_unlock(&device_klist->k_lock); } static void __init pci_insertion_sort_devices(struct pci_dev *a, struct list_head *list) |