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-rw-r--r--drivers/base/base.h31
-rw-r--r--drivers/base/bus.c44
-rw-r--r--drivers/base/core.c108
-rw-r--r--drivers/base/cpu.c4
-rw-r--r--drivers/base/dd.c40
-rw-r--r--drivers/base/driver.c15
-rw-r--r--drivers/base/firmware_class.c4
-rw-r--r--drivers/base/iommu.c2
-rw-r--r--drivers/base/platform.c60
-rw-r--r--drivers/base/power/main.c64
-rw-r--r--drivers/base/power/power.h8
-rw-r--r--drivers/base/sys.c62
-rw-r--r--drivers/base/topology.c33
13 files changed, 327 insertions, 148 deletions
diff --git a/drivers/base/base.h b/drivers/base/base.h
index 9f50f1b545dc..ddc97496db4a 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -63,6 +63,32 @@ struct class_private {
63#define to_class(obj) \ 63#define to_class(obj) \
64 container_of(obj, struct class_private, class_subsys.kobj) 64 container_of(obj, struct class_private, class_subsys.kobj)
65 65
66/**
67 * struct device_private - structure to hold the private to the driver core portions of the device structure.
68 *
69 * @klist_children - klist containing all children of this device
70 * @knode_parent - node in sibling list
71 * @knode_driver - node in driver list
72 * @knode_bus - node in bus list
73 * @device - pointer back to the struct class that this structure is
74 * associated with.
75 *
76 * Nothing outside of the driver core should ever touch these fields.
77 */
78struct device_private {
79 struct klist klist_children;
80 struct klist_node knode_parent;
81 struct klist_node knode_driver;
82 struct klist_node knode_bus;
83 struct device *device;
84};
85#define to_device_private_parent(obj) \
86 container_of(obj, struct device_private, knode_parent)
87#define to_device_private_driver(obj) \
88 container_of(obj, struct device_private, knode_driver)
89#define to_device_private_bus(obj) \
90 container_of(obj, struct device_private, knode_bus)
91
66/* initialisation functions */ 92/* initialisation functions */
67extern int devices_init(void); 93extern int devices_init(void);
68extern int buses_init(void); 94extern int buses_init(void);
@@ -86,6 +112,11 @@ extern void bus_remove_driver(struct device_driver *drv);
86 112
87extern void driver_detach(struct device_driver *drv); 113extern void driver_detach(struct device_driver *drv);
88extern int driver_probe_device(struct device_driver *drv, struct device *dev); 114extern int driver_probe_device(struct device_driver *drv, struct device *dev);
115static inline int driver_match_device(struct device_driver *drv,
116 struct device *dev)
117{
118 return drv->bus->match && drv->bus->match(dev, drv);
119}
89 120
90extern void sysdev_shutdown(void); 121extern void sysdev_shutdown(void);
91 122
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 83f32b891fa9..dc030f1f00f1 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -198,7 +198,7 @@ static ssize_t driver_bind(struct device_driver *drv,
198 int err = -ENODEV; 198 int err = -ENODEV;
199 199
200 dev = bus_find_device_by_name(bus, NULL, buf); 200 dev = bus_find_device_by_name(bus, NULL, buf);
201 if (dev && dev->driver == NULL) { 201 if (dev && dev->driver == NULL && driver_match_device(drv, dev)) {
202 if (dev->parent) /* Needed for USB */ 202 if (dev->parent) /* Needed for USB */
203 down(&dev->parent->sem); 203 down(&dev->parent->sem);
204 down(&dev->sem); 204 down(&dev->sem);
@@ -253,7 +253,14 @@ static ssize_t store_drivers_probe(struct bus_type *bus,
253static struct device *next_device(struct klist_iter *i) 253static struct device *next_device(struct klist_iter *i)
254{ 254{
255 struct klist_node *n = klist_next(i); 255 struct klist_node *n = klist_next(i);
256 return n ? container_of(n, struct device, knode_bus) : NULL; 256 struct device *dev = NULL;
257 struct device_private *dev_prv;
258
259 if (n) {
260 dev_prv = to_device_private_bus(n);
261 dev = dev_prv->device;
262 }
263 return dev;
257} 264}
258 265
259/** 266/**
@@ -286,7 +293,7 @@ int bus_for_each_dev(struct bus_type *bus, struct device *start,
286 return -EINVAL; 293 return -EINVAL;
287 294
288 klist_iter_init_node(&bus->p->klist_devices, &i, 295 klist_iter_init_node(&bus->p->klist_devices, &i,
289 (start ? &start->knode_bus : NULL)); 296 (start ? &start->p->knode_bus : NULL));
290 while ((dev = next_device(&i)) && !error) 297 while ((dev = next_device(&i)) && !error)
291 error = fn(dev, data); 298 error = fn(dev, data);
292 klist_iter_exit(&i); 299 klist_iter_exit(&i);
@@ -320,7 +327,7 @@ struct device *bus_find_device(struct bus_type *bus,
320 return NULL; 327 return NULL;
321 328
322 klist_iter_init_node(&bus->p->klist_devices, &i, 329 klist_iter_init_node(&bus->p->klist_devices, &i,
323 (start ? &start->knode_bus : NULL)); 330 (start ? &start->p->knode_bus : NULL));
324 while ((dev = next_device(&i))) 331 while ((dev = next_device(&i)))
325 if (match(dev, data) && get_device(dev)) 332 if (match(dev, data) && get_device(dev))
326 break; 333 break;
@@ -507,7 +514,8 @@ void bus_attach_device(struct device *dev)
507 ret = device_attach(dev); 514 ret = device_attach(dev);
508 WARN_ON(ret < 0); 515 WARN_ON(ret < 0);
509 if (ret >= 0) 516 if (ret >= 0)
510 klist_add_tail(&dev->knode_bus, &bus->p->klist_devices); 517 klist_add_tail(&dev->p->knode_bus,
518 &bus->p->klist_devices);
511 } 519 }
512} 520}
513 521
@@ -528,8 +536,8 @@ void bus_remove_device(struct device *dev)
528 sysfs_remove_link(&dev->bus->p->devices_kset->kobj, 536 sysfs_remove_link(&dev->bus->p->devices_kset->kobj,
529 dev_name(dev)); 537 dev_name(dev));
530 device_remove_attrs(dev->bus, dev); 538 device_remove_attrs(dev->bus, dev);
531 if (klist_node_attached(&dev->knode_bus)) 539 if (klist_node_attached(&dev->p->knode_bus))
532 klist_del(&dev->knode_bus); 540 klist_del(&dev->p->knode_bus);
533 541
534 pr_debug("bus: '%s': remove device %s\n", 542 pr_debug("bus: '%s': remove device %s\n",
535 dev->bus->name, dev_name(dev)); 543 dev->bus->name, dev_name(dev));
@@ -831,14 +839,16 @@ static void bus_remove_attrs(struct bus_type *bus)
831 839
832static void klist_devices_get(struct klist_node *n) 840static void klist_devices_get(struct klist_node *n)
833{ 841{
834 struct device *dev = container_of(n, struct device, knode_bus); 842 struct device_private *dev_prv = to_device_private_bus(n);
843 struct device *dev = dev_prv->device;
835 844
836 get_device(dev); 845 get_device(dev);
837} 846}
838 847
839static void klist_devices_put(struct klist_node *n) 848static void klist_devices_put(struct klist_node *n)
840{ 849{
841 struct device *dev = container_of(n, struct device, knode_bus); 850 struct device_private *dev_prv = to_device_private_bus(n);
851 struct device *dev = dev_prv->device;
842 852
843 put_device(dev); 853 put_device(dev);
844} 854}
@@ -932,6 +942,7 @@ bus_uevent_fail:
932 kset_unregister(&bus->p->subsys); 942 kset_unregister(&bus->p->subsys);
933 kfree(bus->p); 943 kfree(bus->p);
934out: 944out:
945 bus->p = NULL;
935 return retval; 946 return retval;
936} 947}
937EXPORT_SYMBOL_GPL(bus_register); 948EXPORT_SYMBOL_GPL(bus_register);
@@ -953,6 +964,7 @@ void bus_unregister(struct bus_type *bus)
953 bus_remove_file(bus, &bus_attr_uevent); 964 bus_remove_file(bus, &bus_attr_uevent);
954 kset_unregister(&bus->p->subsys); 965 kset_unregister(&bus->p->subsys);
955 kfree(bus->p); 966 kfree(bus->p);
967 bus->p = NULL;
956} 968}
957EXPORT_SYMBOL_GPL(bus_unregister); 969EXPORT_SYMBOL_GPL(bus_unregister);
958 970
@@ -993,18 +1005,20 @@ static void device_insertion_sort_klist(struct device *a, struct list_head *list
993{ 1005{
994 struct list_head *pos; 1006 struct list_head *pos;
995 struct klist_node *n; 1007 struct klist_node *n;
1008 struct device_private *dev_prv;
996 struct device *b; 1009 struct device *b;
997 1010
998 list_for_each(pos, list) { 1011 list_for_each(pos, list) {
999 n = container_of(pos, struct klist_node, n_node); 1012 n = container_of(pos, struct klist_node, n_node);
1000 b = container_of(n, struct device, knode_bus); 1013 dev_prv = to_device_private_bus(n);
1014 b = dev_prv->device;
1001 if (compare(a, b) <= 0) { 1015 if (compare(a, b) <= 0) {
1002 list_move_tail(&a->knode_bus.n_node, 1016 list_move_tail(&a->p->knode_bus.n_node,
1003 &b->knode_bus.n_node); 1017 &b->p->knode_bus.n_node);
1004 return; 1018 return;
1005 } 1019 }
1006 } 1020 }
1007 list_move_tail(&a->knode_bus.n_node, list); 1021 list_move_tail(&a->p->knode_bus.n_node, list);
1008} 1022}
1009 1023
1010void bus_sort_breadthfirst(struct bus_type *bus, 1024void bus_sort_breadthfirst(struct bus_type *bus,
@@ -1014,6 +1028,7 @@ void bus_sort_breadthfirst(struct bus_type *bus,
1014 LIST_HEAD(sorted_devices); 1028 LIST_HEAD(sorted_devices);
1015 struct list_head *pos, *tmp; 1029 struct list_head *pos, *tmp;
1016 struct klist_node *n; 1030 struct klist_node *n;
1031 struct device_private *dev_prv;
1017 struct device *dev; 1032 struct device *dev;
1018 struct klist *device_klist; 1033 struct klist *device_klist;
1019 1034
@@ -1022,7 +1037,8 @@ void bus_sort_breadthfirst(struct bus_type *bus,
1022 spin_lock(&device_klist->k_lock); 1037 spin_lock(&device_klist->k_lock);
1023 list_for_each_safe(pos, tmp, &device_klist->k_list) { 1038 list_for_each_safe(pos, tmp, &device_klist->k_list) {
1024 n = container_of(pos, struct klist_node, n_node); 1039 n = container_of(pos, struct klist_node, n_node);
1025 dev = container_of(n, struct device, knode_bus); 1040 dev_prv = to_device_private_bus(n);
1041 dev = dev_prv->device;
1026 device_insertion_sort_klist(dev, &sorted_devices, compare); 1042 device_insertion_sort_klist(dev, &sorted_devices, compare);
1027 } 1043 }
1028 list_splice(&sorted_devices, &device_klist->k_list); 1044 list_splice(&sorted_devices, &device_klist->k_list);
diff --git a/drivers/base/core.c b/drivers/base/core.c
index f3eae630e589..e73c92d13a23 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -109,6 +109,7 @@ static struct sysfs_ops dev_sysfs_ops = {
109static void device_release(struct kobject *kobj) 109static void device_release(struct kobject *kobj)
110{ 110{
111 struct device *dev = to_dev(kobj); 111 struct device *dev = to_dev(kobj);
112 struct device_private *p = dev->p;
112 113
113 if (dev->release) 114 if (dev->release)
114 dev->release(dev); 115 dev->release(dev);
@@ -120,6 +121,7 @@ static void device_release(struct kobject *kobj)
120 WARN(1, KERN_ERR "Device '%s' does not have a release() " 121 WARN(1, KERN_ERR "Device '%s' does not have a release() "
121 "function, it is broken and must be fixed.\n", 122 "function, it is broken and must be fixed.\n",
122 dev_name(dev)); 123 dev_name(dev));
124 kfree(p);
123} 125}
124 126
125static struct kobj_type device_ktype = { 127static struct kobj_type device_ktype = {
@@ -134,8 +136,6 @@ static int dev_uevent_filter(struct kset *kset, struct kobject *kobj)
134 136
135 if (ktype == &device_ktype) { 137 if (ktype == &device_ktype) {
136 struct device *dev = to_dev(kobj); 138 struct device *dev = to_dev(kobj);
137 if (dev->uevent_suppress)
138 return 0;
139 if (dev->bus) 139 if (dev->bus)
140 return 1; 140 return 1;
141 if (dev->class) 141 if (dev->class)
@@ -507,14 +507,16 @@ EXPORT_SYMBOL_GPL(device_schedule_callback_owner);
507 507
508static void klist_children_get(struct klist_node *n) 508static void klist_children_get(struct klist_node *n)
509{ 509{
510 struct device *dev = container_of(n, struct device, knode_parent); 510 struct device_private *p = to_device_private_parent(n);
511 struct device *dev = p->device;
511 512
512 get_device(dev); 513 get_device(dev);
513} 514}
514 515
515static void klist_children_put(struct klist_node *n) 516static void klist_children_put(struct klist_node *n)
516{ 517{
517 struct device *dev = container_of(n, struct device, knode_parent); 518 struct device_private *p = to_device_private_parent(n);
519 struct device *dev = p->device;
518 520
519 put_device(dev); 521 put_device(dev);
520} 522}
@@ -538,8 +540,6 @@ void device_initialize(struct device *dev)
538{ 540{
539 dev->kobj.kset = devices_kset; 541 dev->kobj.kset = devices_kset;
540 kobject_init(&dev->kobj, &device_ktype); 542 kobject_init(&dev->kobj, &device_ktype);
541 klist_init(&dev->klist_children, klist_children_get,
542 klist_children_put);
543 INIT_LIST_HEAD(&dev->dma_pools); 543 INIT_LIST_HEAD(&dev->dma_pools);
544 init_MUTEX(&dev->sem); 544 init_MUTEX(&dev->sem);
545 spin_lock_init(&dev->devres_lock); 545 spin_lock_init(&dev->devres_lock);
@@ -777,17 +777,12 @@ static void device_remove_class_symlinks(struct device *dev)
777int dev_set_name(struct device *dev, const char *fmt, ...) 777int dev_set_name(struct device *dev, const char *fmt, ...)
778{ 778{
779 va_list vargs; 779 va_list vargs;
780 char *s; 780 int err;
781 781
782 va_start(vargs, fmt); 782 va_start(vargs, fmt);
783 vsnprintf(dev->bus_id, sizeof(dev->bus_id), fmt, vargs); 783 err = kobject_set_name_vargs(&dev->kobj, fmt, vargs);
784 va_end(vargs); 784 va_end(vargs);
785 785 return err;
786 /* ewww... some of these buggers have / in the name... */
787 while ((s = strchr(dev->bus_id, '/')))
788 *s = '!';
789
790 return 0;
791} 786}
792EXPORT_SYMBOL_GPL(dev_set_name); 787EXPORT_SYMBOL_GPL(dev_set_name);
793 788
@@ -864,12 +859,26 @@ int device_add(struct device *dev)
864 if (!dev) 859 if (!dev)
865 goto done; 860 goto done;
866 861
867 /* Temporarily support init_name if it is set. 862 dev->p = kzalloc(sizeof(*dev->p), GFP_KERNEL);
868 * It will override bus_id for now */ 863 if (!dev->p) {
869 if (dev->init_name) 864 error = -ENOMEM;
870 dev_set_name(dev, "%s", dev->init_name); 865 goto done;
866 }
867 dev->p->device = dev;
868 klist_init(&dev->p->klist_children, klist_children_get,
869 klist_children_put);
870
871 /*
872 * for statically allocated devices, which should all be converted
873 * some day, we need to initialize the name. We prevent reading back
874 * the name, and force the use of dev_name()
875 */
876 if (dev->init_name) {
877 dev_set_name(dev, dev->init_name);
878 dev->init_name = NULL;
879 }
871 880
872 if (!strlen(dev->bus_id)) 881 if (!dev_name(dev))
873 goto done; 882 goto done;
874 883
875 pr_debug("device: '%s': %s\n", dev_name(dev), __func__); 884 pr_debug("device: '%s': %s\n", dev_name(dev), __func__);
@@ -928,7 +937,8 @@ int device_add(struct device *dev)
928 kobject_uevent(&dev->kobj, KOBJ_ADD); 937 kobject_uevent(&dev->kobj, KOBJ_ADD);
929 bus_attach_device(dev); 938 bus_attach_device(dev);
930 if (parent) 939 if (parent)
931 klist_add_tail(&dev->knode_parent, &parent->klist_children); 940 klist_add_tail(&dev->p->knode_parent,
941 &parent->p->klist_children);
932 942
933 if (dev->class) { 943 if (dev->class) {
934 mutex_lock(&dev->class->p->class_mutex); 944 mutex_lock(&dev->class->p->class_mutex);
@@ -1042,7 +1052,7 @@ void device_del(struct device *dev)
1042 device_pm_remove(dev); 1052 device_pm_remove(dev);
1043 dpm_sysfs_remove(dev); 1053 dpm_sysfs_remove(dev);
1044 if (parent) 1054 if (parent)
1045 klist_del(&dev->knode_parent); 1055 klist_del(&dev->p->knode_parent);
1046 if (MAJOR(dev->devt)) { 1056 if (MAJOR(dev->devt)) {
1047 device_remove_sys_dev_entry(dev); 1057 device_remove_sys_dev_entry(dev);
1048 device_remove_file(dev, &devt_attr); 1058 device_remove_file(dev, &devt_attr);
@@ -1103,7 +1113,14 @@ void device_unregister(struct device *dev)
1103static struct device *next_device(struct klist_iter *i) 1113static struct device *next_device(struct klist_iter *i)
1104{ 1114{
1105 struct klist_node *n = klist_next(i); 1115 struct klist_node *n = klist_next(i);
1106 return n ? container_of(n, struct device, knode_parent) : NULL; 1116 struct device *dev = NULL;
1117 struct device_private *p;
1118
1119 if (n) {
1120 p = to_device_private_parent(n);
1121 dev = p->device;
1122 }
1123 return dev;
1107} 1124}
1108 1125
1109/** 1126/**
@@ -1125,7 +1142,7 @@ int device_for_each_child(struct device *parent, void *data,
1125 struct device *child; 1142 struct device *child;
1126 int error = 0; 1143 int error = 0;
1127 1144
1128 klist_iter_init(&parent->klist_children, &i); 1145 klist_iter_init(&parent->p->klist_children, &i);
1129 while ((child = next_device(&i)) && !error) 1146 while ((child = next_device(&i)) && !error)
1130 error = fn(child, data); 1147 error = fn(child, data);
1131 klist_iter_exit(&i); 1148 klist_iter_exit(&i);
@@ -1156,7 +1173,7 @@ struct device *device_find_child(struct device *parent, void *data,
1156 if (!parent) 1173 if (!parent)
1157 return NULL; 1174 return NULL;
1158 1175
1159 klist_iter_init(&parent->klist_children, &i); 1176 klist_iter_init(&parent->p->klist_children, &i);
1160 while ((child = next_device(&i))) 1177 while ((child = next_device(&i)))
1161 if (match(child, data) && get_device(child)) 1178 if (match(child, data) && get_device(child))
1162 break; 1179 break;
@@ -1348,7 +1365,10 @@ struct device *device_create_vargs(struct class *class, struct device *parent,
1348 dev->release = device_create_release; 1365 dev->release = device_create_release;
1349 dev_set_drvdata(dev, drvdata); 1366 dev_set_drvdata(dev, drvdata);
1350 1367
1351 vsnprintf(dev->bus_id, BUS_ID_SIZE, fmt, args); 1368 retval = kobject_set_name_vargs(&dev->kobj, fmt, args);
1369 if (retval)
1370 goto error;
1371
1352 retval = device_register(dev); 1372 retval = device_register(dev);
1353 if (retval) 1373 if (retval)
1354 goto error; 1374 goto error;
@@ -1452,19 +1472,15 @@ int device_rename(struct device *dev, char *new_name)
1452 old_class_name = make_class_name(dev->class->name, &dev->kobj); 1472 old_class_name = make_class_name(dev->class->name, &dev->kobj);
1453#endif 1473#endif
1454 1474
1455 old_device_name = kmalloc(BUS_ID_SIZE, GFP_KERNEL); 1475 old_device_name = kstrdup(dev_name(dev), GFP_KERNEL);
1456 if (!old_device_name) { 1476 if (!old_device_name) {
1457 error = -ENOMEM; 1477 error = -ENOMEM;
1458 goto out; 1478 goto out;
1459 } 1479 }
1460 strlcpy(old_device_name, dev->bus_id, BUS_ID_SIZE);
1461 strlcpy(dev->bus_id, new_name, BUS_ID_SIZE);
1462 1480
1463 error = kobject_rename(&dev->kobj, new_name); 1481 error = kobject_rename(&dev->kobj, new_name);
1464 if (error) { 1482 if (error)
1465 strlcpy(dev->bus_id, old_device_name, BUS_ID_SIZE);
1466 goto out; 1483 goto out;
1467 }
1468 1484
1469#ifdef CONFIG_SYSFS_DEPRECATED 1485#ifdef CONFIG_SYSFS_DEPRECATED
1470 if (old_class_name) { 1486 if (old_class_name) {
@@ -1545,8 +1561,10 @@ out:
1545 * device_move - moves a device to a new parent 1561 * device_move - moves a device to a new parent
1546 * @dev: the pointer to the struct device to be moved 1562 * @dev: the pointer to the struct device to be moved
1547 * @new_parent: the new parent of the device (can by NULL) 1563 * @new_parent: the new parent of the device (can by NULL)
1564 * @dpm_order: how to reorder the dpm_list
1548 */ 1565 */
1549int device_move(struct device *dev, struct device *new_parent) 1566int device_move(struct device *dev, struct device *new_parent,
1567 enum dpm_order dpm_order)
1550{ 1568{
1551 int error; 1569 int error;
1552 struct device *old_parent; 1570 struct device *old_parent;
@@ -1556,6 +1574,7 @@ int device_move(struct device *dev, struct device *new_parent)
1556 if (!dev) 1574 if (!dev)
1557 return -EINVAL; 1575 return -EINVAL;
1558 1576
1577 device_pm_lock();
1559 new_parent = get_device(new_parent); 1578 new_parent = get_device(new_parent);
1560 new_parent_kobj = get_device_parent(dev, new_parent); 1579 new_parent_kobj = get_device_parent(dev, new_parent);
1561 1580
@@ -1570,9 +1589,10 @@ int device_move(struct device *dev, struct device *new_parent)
1570 old_parent = dev->parent; 1589 old_parent = dev->parent;
1571 dev->parent = new_parent; 1590 dev->parent = new_parent;
1572 if (old_parent) 1591 if (old_parent)
1573 klist_remove(&dev->knode_parent); 1592 klist_remove(&dev->p->knode_parent);
1574 if (new_parent) { 1593 if (new_parent) {
1575 klist_add_tail(&dev->knode_parent, &new_parent->klist_children); 1594 klist_add_tail(&dev->p->knode_parent,
1595 &new_parent->p->klist_children);
1576 set_dev_node(dev, dev_to_node(new_parent)); 1596 set_dev_node(dev, dev_to_node(new_parent));
1577 } 1597 }
1578 1598
@@ -1584,11 +1604,11 @@ int device_move(struct device *dev, struct device *new_parent)
1584 device_move_class_links(dev, new_parent, old_parent); 1604 device_move_class_links(dev, new_parent, old_parent);
1585 if (!kobject_move(&dev->kobj, &old_parent->kobj)) { 1605 if (!kobject_move(&dev->kobj, &old_parent->kobj)) {
1586 if (new_parent) 1606 if (new_parent)
1587 klist_remove(&dev->knode_parent); 1607 klist_remove(&dev->p->knode_parent);
1588 dev->parent = old_parent; 1608 dev->parent = old_parent;
1589 if (old_parent) { 1609 if (old_parent) {
1590 klist_add_tail(&dev->knode_parent, 1610 klist_add_tail(&dev->p->knode_parent,
1591 &old_parent->klist_children); 1611 &old_parent->p->klist_children);
1592 set_dev_node(dev, dev_to_node(old_parent)); 1612 set_dev_node(dev, dev_to_node(old_parent));
1593 } 1613 }
1594 } 1614 }
@@ -1596,9 +1616,23 @@ int device_move(struct device *dev, struct device *new_parent)
1596 put_device(new_parent); 1616 put_device(new_parent);
1597 goto out; 1617 goto out;
1598 } 1618 }
1619 switch (dpm_order) {
1620 case DPM_ORDER_NONE:
1621 break;
1622 case DPM_ORDER_DEV_AFTER_PARENT:
1623 device_pm_move_after(dev, new_parent);
1624 break;
1625 case DPM_ORDER_PARENT_BEFORE_DEV:
1626 device_pm_move_before(new_parent, dev);
1627 break;
1628 case DPM_ORDER_DEV_LAST:
1629 device_pm_move_last(dev);
1630 break;
1631 }
1599out_put: 1632out_put:
1600 put_device(old_parent); 1633 put_device(old_parent);
1601out: 1634out:
1635 device_pm_unlock();
1602 put_device(dev); 1636 put_device(dev);
1603 return error; 1637 return error;
1604} 1638}
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 719ee5c1c8d9..e62a4ccea54d 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -107,7 +107,7 @@ static SYSDEV_ATTR(crash_notes, 0400, show_crash_notes, NULL);
107/* 107/*
108 * Print cpu online, possible, present, and system maps 108 * Print cpu online, possible, present, and system maps
109 */ 109 */
110static ssize_t print_cpus_map(char *buf, cpumask_t *map) 110static ssize_t print_cpus_map(char *buf, const struct cpumask *map)
111{ 111{
112 int n = cpulist_scnprintf(buf, PAGE_SIZE-2, map); 112 int n = cpulist_scnprintf(buf, PAGE_SIZE-2, map);
113 113
@@ -119,7 +119,7 @@ static ssize_t print_cpus_map(char *buf, cpumask_t *map)
119#define print_cpus_func(type) \ 119#define print_cpus_func(type) \
120static ssize_t print_cpus_##type(struct sysdev_class *class, char *buf) \ 120static ssize_t print_cpus_##type(struct sysdev_class *class, char *buf) \
121{ \ 121{ \
122 return print_cpus_map(buf, &cpu_##type##_map); \ 122 return print_cpus_map(buf, cpu_##type##_mask); \
123} \ 123} \
124static struct sysdev_class_attribute attr_##type##_map = \ 124static struct sysdev_class_attribute attr_##type##_map = \
125 _SYSDEV_CLASS_ATTR(type, 0444, print_cpus_##type, NULL) 125 _SYSDEV_CLASS_ATTR(type, 0444, print_cpus_##type, NULL)
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 135231239103..f17c3266a0e0 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -30,7 +30,7 @@
30 30
31static void driver_bound(struct device *dev) 31static void driver_bound(struct device *dev)
32{ 32{
33 if (klist_node_attached(&dev->knode_driver)) { 33 if (klist_node_attached(&dev->p->knode_driver)) {
34 printk(KERN_WARNING "%s: device %s already bound\n", 34 printk(KERN_WARNING "%s: device %s already bound\n",
35 __func__, kobject_name(&dev->kobj)); 35 __func__, kobject_name(&dev->kobj));
36 return; 36 return;
@@ -43,7 +43,7 @@ static void driver_bound(struct device *dev)
43 blocking_notifier_call_chain(&dev->bus->p->bus_notifier, 43 blocking_notifier_call_chain(&dev->bus->p->bus_notifier,
44 BUS_NOTIFY_BOUND_DRIVER, dev); 44 BUS_NOTIFY_BOUND_DRIVER, dev);
45 45
46 klist_add_tail(&dev->knode_driver, &dev->driver->p->klist_devices); 46 klist_add_tail(&dev->p->knode_driver, &dev->driver->p->klist_devices);
47} 47}
48 48
49static int driver_sysfs_add(struct device *dev) 49static int driver_sysfs_add(struct device *dev)
@@ -172,16 +172,12 @@ int driver_probe_done(void)
172/** 172/**
173 * wait_for_device_probe 173 * wait_for_device_probe
174 * Wait for device probing to be completed. 174 * Wait for device probing to be completed.
175 *
176 * Note: this function polls at 100 msec intervals.
177 */ 175 */
178int wait_for_device_probe(void) 176void wait_for_device_probe(void)
179{ 177{
180 /* wait for the known devices to complete their probing */ 178 /* wait for the known devices to complete their probing */
181 while (driver_probe_done() != 0) 179 wait_event(probe_waitqueue, atomic_read(&probe_count) == 0);
182 msleep(100);
183 async_synchronize_full(); 180 async_synchronize_full();
184 return 0;
185} 181}
186 182
187/** 183/**
@@ -189,14 +185,8 @@ int wait_for_device_probe(void)
189 * @drv: driver to bind a device to 185 * @drv: driver to bind a device to
190 * @dev: device to try to bind to the driver 186 * @dev: device to try to bind to the driver
191 * 187 *
192 * First, we call the bus's match function, if one present, which should 188 * This function returns -ENODEV if the device is not registered,
193 * compare the device IDs the driver supports with the device IDs of the 189 * 1 if the device is bound sucessfully and 0 otherwise.
194 * device. Note we don't do this ourselves because we don't know the
195 * format of the ID structures, nor what is to be considered a match and
196 * what is not.
197 *
198 * This function returns 1 if a match is found, -ENODEV if the device is
199 * not registered, and 0 otherwise.
200 * 190 *
201 * This function must be called with @dev->sem held. When called for a 191 * This function must be called with @dev->sem held. When called for a
202 * USB interface, @dev->parent->sem must be held as well. 192 * USB interface, @dev->parent->sem must be held as well.
@@ -207,21 +197,22 @@ int driver_probe_device(struct device_driver *drv, struct device *dev)
207 197
208 if (!device_is_registered(dev)) 198 if (!device_is_registered(dev))
209 return -ENODEV; 199 return -ENODEV;
210 if (drv->bus->match && !drv->bus->match(dev, drv))
211 goto done;
212 200
213 pr_debug("bus: '%s': %s: matched device %s with driver %s\n", 201 pr_debug("bus: '%s': %s: matched device %s with driver %s\n",
214 drv->bus->name, __func__, dev_name(dev), drv->name); 202 drv->bus->name, __func__, dev_name(dev), drv->name);
215 203
216 ret = really_probe(dev, drv); 204 ret = really_probe(dev, drv);
217 205
218done:
219 return ret; 206 return ret;
220} 207}
221 208
222static int __device_attach(struct device_driver *drv, void *data) 209static int __device_attach(struct device_driver *drv, void *data)
223{ 210{
224 struct device *dev = data; 211 struct device *dev = data;
212
213 if (!driver_match_device(drv, dev))
214 return 0;
215
225 return driver_probe_device(drv, dev); 216 return driver_probe_device(drv, dev);
226} 217}
227 218
@@ -274,7 +265,7 @@ static int __driver_attach(struct device *dev, void *data)
274 * is an error. 265 * is an error.
275 */ 266 */
276 267
277 if (drv->bus->match && !drv->bus->match(dev, drv)) 268 if (!driver_match_device(drv, dev))
278 return 0; 269 return 0;
279 270
280 if (dev->parent) /* Needed for USB */ 271 if (dev->parent) /* Needed for USB */
@@ -327,7 +318,7 @@ static void __device_release_driver(struct device *dev)
327 drv->remove(dev); 318 drv->remove(dev);
328 devres_release_all(dev); 319 devres_release_all(dev);
329 dev->driver = NULL; 320 dev->driver = NULL;
330 klist_remove(&dev->knode_driver); 321 klist_remove(&dev->p->knode_driver);
331 } 322 }
332} 323}
333 324
@@ -357,6 +348,7 @@ EXPORT_SYMBOL_GPL(device_release_driver);
357 */ 348 */
358void driver_detach(struct device_driver *drv) 349void driver_detach(struct device_driver *drv)
359{ 350{
351 struct device_private *dev_prv;
360 struct device *dev; 352 struct device *dev;
361 353
362 for (;;) { 354 for (;;) {
@@ -365,8 +357,10 @@ void driver_detach(struct device_driver *drv)
365 spin_unlock(&drv->p->klist_devices.k_lock); 357 spin_unlock(&drv->p->klist_devices.k_lock);
366 break; 358 break;
367 } 359 }
368 dev = list_entry(drv->p->klist_devices.k_list.prev, 360 dev_prv = list_entry(drv->p->klist_devices.k_list.prev,
369 struct device, knode_driver.n_node); 361 struct device_private,
362 knode_driver.n_node);
363 dev = dev_prv->device;
370 get_device(dev); 364 get_device(dev);
371 spin_unlock(&drv->p->klist_devices.k_lock); 365 spin_unlock(&drv->p->klist_devices.k_lock);
372 366
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index 1e2bda780e48..c51f11bb29ae 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -19,7 +19,14 @@
19static struct device *next_device(struct klist_iter *i) 19static struct device *next_device(struct klist_iter *i)
20{ 20{
21 struct klist_node *n = klist_next(i); 21 struct klist_node *n = klist_next(i);
22 return n ? container_of(n, struct device, knode_driver) : NULL; 22 struct device *dev = NULL;
23 struct device_private *dev_prv;
24
25 if (n) {
26 dev_prv = to_device_private_driver(n);
27 dev = dev_prv->device;
28 }
29 return dev;
23} 30}
24 31
25/** 32/**
@@ -42,7 +49,7 @@ int driver_for_each_device(struct device_driver *drv, struct device *start,
42 return -EINVAL; 49 return -EINVAL;
43 50
44 klist_iter_init_node(&drv->p->klist_devices, &i, 51 klist_iter_init_node(&drv->p->klist_devices, &i,
45 start ? &start->knode_driver : NULL); 52 start ? &start->p->knode_driver : NULL);
46 while ((dev = next_device(&i)) && !error) 53 while ((dev = next_device(&i)) && !error)
47 error = fn(dev, data); 54 error = fn(dev, data);
48 klist_iter_exit(&i); 55 klist_iter_exit(&i);
@@ -76,7 +83,7 @@ struct device *driver_find_device(struct device_driver *drv,
76 return NULL; 83 return NULL;
77 84
78 klist_iter_init_node(&drv->p->klist_devices, &i, 85 klist_iter_init_node(&drv->p->klist_devices, &i,
79 (start ? &start->knode_driver : NULL)); 86 (start ? &start->p->knode_driver : NULL));
80 while ((dev = next_device(&i))) 87 while ((dev = next_device(&i)))
81 if (match(dev, data) && get_device(dev)) 88 if (match(dev, data) && get_device(dev))
82 break; 89 break;
@@ -216,6 +223,8 @@ int driver_register(struct device_driver *drv)
216 int ret; 223 int ret;
217 struct device_driver *other; 224 struct device_driver *other;
218 225
226 BUG_ON(!drv->bus->p);
227
219 if ((drv->bus->probe && drv->probe) || 228 if ((drv->bus->probe && drv->probe) ||
220 (drv->bus->remove && drv->remove) || 229 (drv->bus->remove && drv->remove) ||
221 (drv->bus->shutdown && drv->shutdown)) 230 (drv->bus->shutdown && drv->shutdown))
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 44699d9dd85c..d3a59c688fe4 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -319,7 +319,7 @@ static int fw_register_device(struct device **dev_p, const char *fw_name,
319 f_dev->parent = device; 319 f_dev->parent = device;
320 f_dev->class = &firmware_class; 320 f_dev->class = &firmware_class;
321 dev_set_drvdata(f_dev, fw_priv); 321 dev_set_drvdata(f_dev, fw_priv);
322 f_dev->uevent_suppress = 1; 322 dev_set_uevent_suppress(f_dev, 1);
323 retval = device_register(f_dev); 323 retval = device_register(f_dev);
324 if (retval) { 324 if (retval) {
325 dev_err(device, "%s: device_register failed\n", __func__); 325 dev_err(device, "%s: device_register failed\n", __func__);
@@ -366,7 +366,7 @@ static int fw_setup_device(struct firmware *fw, struct device **dev_p,
366 } 366 }
367 367
368 if (uevent) 368 if (uevent)
369 f_dev->uevent_suppress = 0; 369 dev_set_uevent_suppress(f_dev, 0);
370 *dev_p = f_dev; 370 *dev_p = f_dev;
371 goto out; 371 goto out;
372 372
diff --git a/drivers/base/iommu.c b/drivers/base/iommu.c
index c314f144825f..9f0e672f4be8 100644
--- a/drivers/base/iommu.c
+++ b/drivers/base/iommu.c
@@ -31,7 +31,7 @@ void register_iommu(struct iommu_ops *ops)
31 iommu_ops = ops; 31 iommu_ops = ops;
32} 32}
33 33
34bool iommu_found() 34bool iommu_found(void)
35{ 35{
36 return iommu_ops != NULL; 36 return iommu_ops != NULL;
37} 37}
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 349a1013603f..d2198f64ad4e 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -217,6 +217,7 @@ int platform_device_add_data(struct platform_device *pdev, const void *data,
217 if (d) { 217 if (d) {
218 memcpy(d, data, size); 218 memcpy(d, data, size);
219 pdev->dev.platform_data = d; 219 pdev->dev.platform_data = d;
220 pdev->platform_data = d;
220 } 221 }
221 return d ? 0 : -ENOMEM; 222 return d ? 0 : -ENOMEM;
222} 223}
@@ -246,6 +247,21 @@ int platform_device_add(struct platform_device *pdev)
246 else 247 else
247 dev_set_name(&pdev->dev, pdev->name); 248 dev_set_name(&pdev->dev, pdev->name);
248 249
250 /* We will remove platform_data field from struct device
251 * if all platform devices pass its platform specific data
252 * from platform_device. The conversion is going to be a
253 * long time, so we allow the two cases coexist to make
254 * this kind of fix more easily*/
255 if (pdev->platform_data && pdev->dev.platform_data) {
256 printk(KERN_ERR
257 "%s: use which platform_data?\n",
258 dev_name(&pdev->dev));
259 } else if (pdev->platform_data) {
260 pdev->dev.platform_data = pdev->platform_data;
261 } else if (pdev->dev.platform_data) {
262 pdev->platform_data = pdev->dev.platform_data;
263 }
264
249 for (i = 0; i < pdev->num_resources; i++) { 265 for (i = 0; i < pdev->num_resources; i++) {
250 struct resource *p, *r = &pdev->resource[i]; 266 struct resource *p, *r = &pdev->resource[i];
251 267
@@ -584,10 +600,25 @@ static int platform_uevent(struct device *dev, struct kobj_uevent_env *env)
584{ 600{
585 struct platform_device *pdev = to_platform_device(dev); 601 struct platform_device *pdev = to_platform_device(dev);
586 602
587 add_uevent_var(env, "MODALIAS=platform:%s", pdev->name); 603 add_uevent_var(env, "MODALIAS=%s%s", PLATFORM_MODULE_PREFIX,
604 (pdev->id_entry) ? pdev->id_entry->name : pdev->name);
588 return 0; 605 return 0;
589} 606}
590 607
608static const struct platform_device_id *platform_match_id(
609 struct platform_device_id *id,
610 struct platform_device *pdev)
611{
612 while (id->name[0]) {
613 if (strcmp(pdev->name, id->name) == 0) {
614 pdev->id_entry = id;
615 return id;
616 }
617 id++;
618 }
619 return NULL;
620}
621
591/** 622/**
592 * platform_match - bind platform device to platform driver. 623 * platform_match - bind platform device to platform driver.
593 * @dev: device. 624 * @dev: device.
@@ -603,9 +634,14 @@ static int platform_uevent(struct device *dev, struct kobj_uevent_env *env)
603 */ 634 */
604static int platform_match(struct device *dev, struct device_driver *drv) 635static int platform_match(struct device *dev, struct device_driver *drv)
605{ 636{
606 struct platform_device *pdev; 637 struct platform_device *pdev = to_platform_device(dev);
638 struct platform_driver *pdrv = to_platform_driver(drv);
607 639
608 pdev = container_of(dev, struct platform_device, dev); 640 /* match against the id table first */
641 if (pdrv->id_table)
642 return platform_match_id(pdrv->id_table, pdev) != NULL;
643
644 /* fall-back to driver name match */
609 return (strcmp(pdev->name, drv->name) == 0); 645 return (strcmp(pdev->name, drv->name) == 0);
610} 646}
611 647
@@ -623,26 +659,24 @@ static int platform_legacy_suspend(struct device *dev, pm_message_t mesg)
623 659
624static int platform_legacy_suspend_late(struct device *dev, pm_message_t mesg) 660static int platform_legacy_suspend_late(struct device *dev, pm_message_t mesg)
625{ 661{
626 struct platform_driver *drv = to_platform_driver(dev->driver); 662 struct platform_driver *pdrv = to_platform_driver(dev->driver);
627 struct platform_device *pdev; 663 struct platform_device *pdev = to_platform_device(dev);
628 int ret = 0; 664 int ret = 0;
629 665
630 pdev = container_of(dev, struct platform_device, dev); 666 if (dev->driver && pdrv->suspend_late)
631 if (dev->driver && drv->suspend_late) 667 ret = pdrv->suspend_late(pdev, mesg);
632 ret = drv->suspend_late(pdev, mesg);
633 668
634 return ret; 669 return ret;
635} 670}
636 671
637static int platform_legacy_resume_early(struct device *dev) 672static int platform_legacy_resume_early(struct device *dev)
638{ 673{
639 struct platform_driver *drv = to_platform_driver(dev->driver); 674 struct platform_driver *pdrv = to_platform_driver(dev->driver);
640 struct platform_device *pdev; 675 struct platform_device *pdev = to_platform_device(dev);
641 int ret = 0; 676 int ret = 0;
642 677
643 pdev = container_of(dev, struct platform_device, dev); 678 if (dev->driver && pdrv->resume_early)
644 if (dev->driver && drv->resume_early) 679 ret = pdrv->resume_early(pdev);
645 ret = drv->resume_early(pdev);
646 680
647 return ret; 681 return ret;
648} 682}
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 2d14f4ae6c01..69b4ddb7de3b 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -23,6 +23,7 @@
23#include <linux/pm.h> 23#include <linux/pm.h>
24#include <linux/resume-trace.h> 24#include <linux/resume-trace.h>
25#include <linux/rwsem.h> 25#include <linux/rwsem.h>
26#include <linux/interrupt.h>
26 27
27#include "../base.h" 28#include "../base.h"
28#include "power.h" 29#include "power.h"
@@ -107,6 +108,50 @@ void device_pm_remove(struct device *dev)
107} 108}
108 109
109/** 110/**
111 * device_pm_move_before - move device in dpm_list
112 * @deva: Device to move in dpm_list
113 * @devb: Device @deva should come before
114 */
115void device_pm_move_before(struct device *deva, struct device *devb)
116{
117 pr_debug("PM: Moving %s:%s before %s:%s\n",
118 deva->bus ? deva->bus->name : "No Bus",
119 kobject_name(&deva->kobj),
120 devb->bus ? devb->bus->name : "No Bus",
121 kobject_name(&devb->kobj));
122 /* Delete deva from dpm_list and reinsert before devb. */
123 list_move_tail(&deva->power.entry, &devb->power.entry);
124}
125
126/**
127 * device_pm_move_after - move device in dpm_list
128 * @deva: Device to move in dpm_list
129 * @devb: Device @deva should come after
130 */
131void device_pm_move_after(struct device *deva, struct device *devb)
132{
133 pr_debug("PM: Moving %s:%s after %s:%s\n",
134 deva->bus ? deva->bus->name : "No Bus",
135 kobject_name(&deva->kobj),
136 devb->bus ? devb->bus->name : "No Bus",
137 kobject_name(&devb->kobj));
138 /* Delete deva from dpm_list and reinsert after devb. */
139 list_move(&deva->power.entry, &devb->power.entry);
140}
141
142/**
143 * device_pm_move_last - move device to end of dpm_list
144 * @dev: Device to move in dpm_list
145 */
146void device_pm_move_last(struct device *dev)
147{
148 pr_debug("PM: Moving %s:%s to end of list\n",
149 dev->bus ? dev->bus->name : "No Bus",
150 kobject_name(&dev->kobj));
151 list_move_tail(&dev->power.entry, &dpm_list);
152}
153
154/**
110 * pm_op - execute the PM operation appropiate for given PM event 155 * pm_op - execute the PM operation appropiate for given PM event
111 * @dev: Device. 156 * @dev: Device.
112 * @ops: PM operations to choose from. 157 * @ops: PM operations to choose from.
@@ -305,7 +350,8 @@ static int resume_device_noirq(struct device *dev, pm_message_t state)
305 * Execute the appropriate "noirq resume" callback for all devices marked 350 * Execute the appropriate "noirq resume" callback for all devices marked
306 * as DPM_OFF_IRQ. 351 * as DPM_OFF_IRQ.
307 * 352 *
308 * Must be called with interrupts disabled and only one CPU running. 353 * Must be called under dpm_list_mtx. Device drivers should not receive
354 * interrupts while it's being executed.
309 */ 355 */
310static void dpm_power_up(pm_message_t state) 356static void dpm_power_up(pm_message_t state)
311{ 357{
@@ -326,14 +372,13 @@ static void dpm_power_up(pm_message_t state)
326 * device_power_up - Turn on all devices that need special attention. 372 * device_power_up - Turn on all devices that need special attention.
327 * @state: PM transition of the system being carried out. 373 * @state: PM transition of the system being carried out.
328 * 374 *
329 * Power on system devices, then devices that required we shut them down 375 * Call the "early" resume handlers and enable device drivers to receive
330 * with interrupts disabled. 376 * interrupts.
331 *
332 * Must be called with interrupts disabled.
333 */ 377 */
334void device_power_up(pm_message_t state) 378void device_power_up(pm_message_t state)
335{ 379{
336 dpm_power_up(state); 380 dpm_power_up(state);
381 resume_device_irqs();
337} 382}
338EXPORT_SYMBOL_GPL(device_power_up); 383EXPORT_SYMBOL_GPL(device_power_up);
339 384
@@ -558,16 +603,17 @@ static int suspend_device_noirq(struct device *dev, pm_message_t state)
558 * device_power_down - Shut down special devices. 603 * device_power_down - Shut down special devices.
559 * @state: PM transition of the system being carried out. 604 * @state: PM transition of the system being carried out.
560 * 605 *
561 * Power down devices that require interrupts to be disabled. 606 * Prevent device drivers from receiving interrupts and call the "late"
562 * Then power down system devices. 607 * suspend handlers.
563 * 608 *
564 * Must be called with interrupts disabled and only one CPU running. 609 * Must be called under dpm_list_mtx.
565 */ 610 */
566int device_power_down(pm_message_t state) 611int device_power_down(pm_message_t state)
567{ 612{
568 struct device *dev; 613 struct device *dev;
569 int error = 0; 614 int error = 0;
570 615
616 suspend_device_irqs();
571 list_for_each_entry_reverse(dev, &dpm_list, power.entry) { 617 list_for_each_entry_reverse(dev, &dpm_list, power.entry) {
572 error = suspend_device_noirq(dev, state); 618 error = suspend_device_noirq(dev, state);
573 if (error) { 619 if (error) {
@@ -577,7 +623,7 @@ int device_power_down(pm_message_t state)
577 dev->power.status = DPM_OFF_IRQ; 623 dev->power.status = DPM_OFF_IRQ;
578 } 624 }
579 if (error) 625 if (error)
580 dpm_power_up(resume_event(state)); 626 device_power_up(resume_event(state));
581 return error; 627 return error;
582} 628}
583EXPORT_SYMBOL_GPL(device_power_down); 629EXPORT_SYMBOL_GPL(device_power_down);
diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h
index 41f51fae042f..c7cb4fc3735c 100644
--- a/drivers/base/power/power.h
+++ b/drivers/base/power/power.h
@@ -18,11 +18,19 @@ static inline struct device *to_device(struct list_head *entry)
18 18
19extern void device_pm_add(struct device *); 19extern void device_pm_add(struct device *);
20extern void device_pm_remove(struct device *); 20extern void device_pm_remove(struct device *);
21extern void device_pm_move_before(struct device *, struct device *);
22extern void device_pm_move_after(struct device *, struct device *);
23extern void device_pm_move_last(struct device *);
21 24
22#else /* CONFIG_PM_SLEEP */ 25#else /* CONFIG_PM_SLEEP */
23 26
24static inline void device_pm_add(struct device *dev) {} 27static inline void device_pm_add(struct device *dev) {}
25static inline void device_pm_remove(struct device *dev) {} 28static inline void device_pm_remove(struct device *dev) {}
29static inline void device_pm_move_before(struct device *deva,
30 struct device *devb) {}
31static inline void device_pm_move_after(struct device *deva,
32 struct device *devb) {}
33static inline void device_pm_move_last(struct device *dev) {}
26 34
27#endif 35#endif
28 36
diff --git a/drivers/base/sys.c b/drivers/base/sys.c
index b428c8c4bc64..76ce75bad91e 100644
--- a/drivers/base/sys.c
+++ b/drivers/base/sys.c
@@ -22,6 +22,7 @@
22#include <linux/pm.h> 22#include <linux/pm.h>
23#include <linux/device.h> 23#include <linux/device.h>
24#include <linux/mutex.h> 24#include <linux/mutex.h>
25#include <linux/interrupt.h>
25 26
26#include "base.h" 27#include "base.h"
27 28
@@ -30,10 +31,10 @@
30 31
31 32
32static ssize_t 33static ssize_t
33sysdev_show(struct kobject * kobj, struct attribute * attr, char * buffer) 34sysdev_show(struct kobject *kobj, struct attribute *attr, char *buffer)
34{ 35{
35 struct sys_device * sysdev = to_sysdev(kobj); 36 struct sys_device *sysdev = to_sysdev(kobj);
36 struct sysdev_attribute * sysdev_attr = to_sysdev_attr(attr); 37 struct sysdev_attribute *sysdev_attr = to_sysdev_attr(attr);
37 38
38 if (sysdev_attr->show) 39 if (sysdev_attr->show)
39 return sysdev_attr->show(sysdev, sysdev_attr, buffer); 40 return sysdev_attr->show(sysdev, sysdev_attr, buffer);
@@ -42,11 +43,11 @@ sysdev_show(struct kobject * kobj, struct attribute * attr, char * buffer)
42 43
43 44
44static ssize_t 45static ssize_t
45sysdev_store(struct kobject * kobj, struct attribute * attr, 46sysdev_store(struct kobject *kobj, struct attribute *attr,
46 const char * buffer, size_t count) 47 const char *buffer, size_t count)
47{ 48{
48 struct sys_device * sysdev = to_sysdev(kobj); 49 struct sys_device *sysdev = to_sysdev(kobj);
49 struct sysdev_attribute * sysdev_attr = to_sysdev_attr(attr); 50 struct sysdev_attribute *sysdev_attr = to_sysdev_attr(attr);
50 51
51 if (sysdev_attr->store) 52 if (sysdev_attr->store)
52 return sysdev_attr->store(sysdev, sysdev_attr, buffer, count); 53 return sysdev_attr->store(sysdev, sysdev_attr, buffer, count);
@@ -63,13 +64,13 @@ static struct kobj_type ktype_sysdev = {
63}; 64};
64 65
65 66
66int sysdev_create_file(struct sys_device * s, struct sysdev_attribute * a) 67int sysdev_create_file(struct sys_device *s, struct sysdev_attribute *a)
67{ 68{
68 return sysfs_create_file(&s->kobj, &a->attr); 69 return sysfs_create_file(&s->kobj, &a->attr);
69} 70}
70 71
71 72
72void sysdev_remove_file(struct sys_device * s, struct sysdev_attribute * a) 73void sysdev_remove_file(struct sys_device *s, struct sysdev_attribute *a)
73{ 74{
74 sysfs_remove_file(&s->kobj, &a->attr); 75 sysfs_remove_file(&s->kobj, &a->attr);
75} 76}
@@ -84,7 +85,7 @@ EXPORT_SYMBOL_GPL(sysdev_remove_file);
84static ssize_t sysdev_class_show(struct kobject *kobj, struct attribute *attr, 85static ssize_t sysdev_class_show(struct kobject *kobj, struct attribute *attr,
85 char *buffer) 86 char *buffer)
86{ 87{
87 struct sysdev_class * class = to_sysdev_class(kobj); 88 struct sysdev_class *class = to_sysdev_class(kobj);
88 struct sysdev_class_attribute *class_attr = to_sysdev_class_attr(attr); 89 struct sysdev_class_attribute *class_attr = to_sysdev_class_attr(attr);
89 90
90 if (class_attr->show) 91 if (class_attr->show)
@@ -95,8 +96,8 @@ static ssize_t sysdev_class_show(struct kobject *kobj, struct attribute *attr,
95static ssize_t sysdev_class_store(struct kobject *kobj, struct attribute *attr, 96static ssize_t sysdev_class_store(struct kobject *kobj, struct attribute *attr,
96 const char *buffer, size_t count) 97 const char *buffer, size_t count)
97{ 98{
98 struct sysdev_class * class = to_sysdev_class(kobj); 99 struct sysdev_class *class = to_sysdev_class(kobj);
99 struct sysdev_class_attribute * class_attr = to_sysdev_class_attr(attr); 100 struct sysdev_class_attribute *class_attr = to_sysdev_class_attr(attr);
100 101
101 if (class_attr->store) 102 if (class_attr->store)
102 return class_attr->store(class, buffer, count); 103 return class_attr->store(class, buffer, count);
@@ -128,7 +129,7 @@ EXPORT_SYMBOL_GPL(sysdev_class_remove_file);
128 129
129static struct kset *system_kset; 130static struct kset *system_kset;
130 131
131int sysdev_class_register(struct sysdev_class * cls) 132int sysdev_class_register(struct sysdev_class *cls)
132{ 133{
133 pr_debug("Registering sysdev class '%s'\n", cls->name); 134 pr_debug("Registering sysdev class '%s'\n", cls->name);
134 135
@@ -141,7 +142,7 @@ int sysdev_class_register(struct sysdev_class * cls)
141 return kset_register(&cls->kset); 142 return kset_register(&cls->kset);
142} 143}
143 144
144void sysdev_class_unregister(struct sysdev_class * cls) 145void sysdev_class_unregister(struct sysdev_class *cls)
145{ 146{
146 pr_debug("Unregistering sysdev class '%s'\n", 147 pr_debug("Unregistering sysdev class '%s'\n",
147 kobject_name(&cls->kset.kobj)); 148 kobject_name(&cls->kset.kobj));
@@ -203,8 +204,8 @@ int sysdev_driver_register(struct sysdev_class *cls, struct sysdev_driver *drv)
203 * @cls: Class driver belongs to. 204 * @cls: Class driver belongs to.
204 * @drv: Driver. 205 * @drv: Driver.
205 */ 206 */
206void sysdev_driver_unregister(struct sysdev_class * cls, 207void sysdev_driver_unregister(struct sysdev_class *cls,
207 struct sysdev_driver * drv) 208 struct sysdev_driver *drv)
208{ 209{
209 mutex_lock(&sysdev_drivers_lock); 210 mutex_lock(&sysdev_drivers_lock);
210 list_del_init(&drv->entry); 211 list_del_init(&drv->entry);
@@ -229,10 +230,10 @@ EXPORT_SYMBOL_GPL(sysdev_driver_unregister);
229 * @sysdev: device in question 230 * @sysdev: device in question
230 * 231 *
231 */ 232 */
232int sysdev_register(struct sys_device * sysdev) 233int sysdev_register(struct sys_device *sysdev)
233{ 234{
234 int error; 235 int error;
235 struct sysdev_class * cls = sysdev->cls; 236 struct sysdev_class *cls = sysdev->cls;
236 237
237 if (!cls) 238 if (!cls)
238 return -EINVAL; 239 return -EINVAL;
@@ -252,7 +253,7 @@ int sysdev_register(struct sys_device * sysdev)
252 sysdev->id); 253 sysdev->id);
253 254
254 if (!error) { 255 if (!error) {
255 struct sysdev_driver * drv; 256 struct sysdev_driver *drv;
256 257
257 pr_debug("Registering sys device '%s'\n", 258 pr_debug("Registering sys device '%s'\n",
258 kobject_name(&sysdev->kobj)); 259 kobject_name(&sysdev->kobj));
@@ -274,9 +275,9 @@ int sysdev_register(struct sys_device * sysdev)
274 return error; 275 return error;
275} 276}
276 277
277void sysdev_unregister(struct sys_device * sysdev) 278void sysdev_unregister(struct sys_device *sysdev)
278{ 279{
279 struct sysdev_driver * drv; 280 struct sysdev_driver *drv;
280 281
281 mutex_lock(&sysdev_drivers_lock); 282 mutex_lock(&sysdev_drivers_lock);
282 list_for_each_entry(drv, &sysdev->cls->drivers, entry) { 283 list_for_each_entry(drv, &sysdev->cls->drivers, entry) {
@@ -305,19 +306,19 @@ void sysdev_unregister(struct sys_device * sysdev)
305 */ 306 */
306void sysdev_shutdown(void) 307void sysdev_shutdown(void)
307{ 308{
308 struct sysdev_class * cls; 309 struct sysdev_class *cls;
309 310
310 pr_debug("Shutting Down System Devices\n"); 311 pr_debug("Shutting Down System Devices\n");
311 312
312 mutex_lock(&sysdev_drivers_lock); 313 mutex_lock(&sysdev_drivers_lock);
313 list_for_each_entry_reverse(cls, &system_kset->list, kset.kobj.entry) { 314 list_for_each_entry_reverse(cls, &system_kset->list, kset.kobj.entry) {
314 struct sys_device * sysdev; 315 struct sys_device *sysdev;
315 316
316 pr_debug("Shutting down type '%s':\n", 317 pr_debug("Shutting down type '%s':\n",
317 kobject_name(&cls->kset.kobj)); 318 kobject_name(&cls->kset.kobj));
318 319
319 list_for_each_entry(sysdev, &cls->kset.list, kobj.entry) { 320 list_for_each_entry(sysdev, &cls->kset.list, kobj.entry) {
320 struct sysdev_driver * drv; 321 struct sysdev_driver *drv;
321 pr_debug(" %s\n", kobject_name(&sysdev->kobj)); 322 pr_debug(" %s\n", kobject_name(&sysdev->kobj));
322 323
323 /* Call auxillary drivers first */ 324 /* Call auxillary drivers first */
@@ -364,11 +365,18 @@ static void __sysdev_resume(struct sys_device *dev)
364 */ 365 */
365int sysdev_suspend(pm_message_t state) 366int sysdev_suspend(pm_message_t state)
366{ 367{
367 struct sysdev_class * cls; 368 struct sysdev_class *cls;
368 struct sys_device *sysdev, *err_dev; 369 struct sys_device *sysdev, *err_dev;
369 struct sysdev_driver *drv, *err_drv; 370 struct sysdev_driver *drv, *err_drv;
370 int ret; 371 int ret;
371 372
373 pr_debug("Checking wake-up interrupts\n");
374
375 /* Return error code if there are any wake-up interrupts pending */
376 ret = check_wakeup_irqs();
377 if (ret)
378 return ret;
379
372 pr_debug("Suspending System Devices\n"); 380 pr_debug("Suspending System Devices\n");
373 381
374 list_for_each_entry_reverse(cls, &system_kset->list, kset.kobj.entry) { 382 list_for_each_entry_reverse(cls, &system_kset->list, kset.kobj.entry) {
@@ -442,12 +450,12 @@ EXPORT_SYMBOL_GPL(sysdev_suspend);
442 */ 450 */
443int sysdev_resume(void) 451int sysdev_resume(void)
444{ 452{
445 struct sysdev_class * cls; 453 struct sysdev_class *cls;
446 454
447 pr_debug("Resuming System Devices\n"); 455 pr_debug("Resuming System Devices\n");
448 456
449 list_for_each_entry(cls, &system_kset->list, kset.kobj.entry) { 457 list_for_each_entry(cls, &system_kset->list, kset.kobj.entry) {
450 struct sys_device * sysdev; 458 struct sys_device *sysdev;
451 459
452 pr_debug("Resuming type '%s':\n", 460 pr_debug("Resuming type '%s':\n",
453 kobject_name(&cls->kset.kobj)); 461 kobject_name(&cls->kset.kobj));
diff --git a/drivers/base/topology.c b/drivers/base/topology.c
index a778fb52b11f..bf6b13206d00 100644
--- a/drivers/base/topology.c
+++ b/drivers/base/topology.c
@@ -31,7 +31,10 @@
31#include <linux/hardirq.h> 31#include <linux/hardirq.h>
32#include <linux/topology.h> 32#include <linux/topology.h>
33 33
34#define define_one_ro(_name) \ 34#define define_one_ro_named(_name, _func) \
35static SYSDEV_ATTR(_name, 0444, _func, NULL)
36
37#define define_one_ro(_name) \
35static SYSDEV_ATTR(_name, 0444, show_##_name, NULL) 38static SYSDEV_ATTR(_name, 0444, show_##_name, NULL)
36 39
37#define define_id_show_func(name) \ 40#define define_id_show_func(name) \
@@ -42,8 +45,8 @@ static ssize_t show_##name(struct sys_device *dev, \
42 return sprintf(buf, "%d\n", topology_##name(cpu)); \ 45 return sprintf(buf, "%d\n", topology_##name(cpu)); \
43} 46}
44 47
45#if defined(topology_thread_siblings) || defined(topology_core_siblings) 48#if defined(topology_thread_cpumask) || defined(topology_core_cpumask)
46static ssize_t show_cpumap(int type, cpumask_t *mask, char *buf) 49static ssize_t show_cpumap(int type, const struct cpumask *mask, char *buf)
47{ 50{
48 ptrdiff_t len = PTR_ALIGN(buf + PAGE_SIZE - 1, PAGE_SIZE) - buf; 51 ptrdiff_t len = PTR_ALIGN(buf + PAGE_SIZE - 1, PAGE_SIZE) - buf;
49 int n = 0; 52 int n = 0;
@@ -65,7 +68,7 @@ static ssize_t show_##name(struct sys_device *dev, \
65 struct sysdev_attribute *attr, char *buf) \ 68 struct sysdev_attribute *attr, char *buf) \
66{ \ 69{ \
67 unsigned int cpu = dev->id; \ 70 unsigned int cpu = dev->id; \
68 return show_cpumap(0, &(topology_##name(cpu)), buf); \ 71 return show_cpumap(0, topology_##name(cpu), buf); \
69} 72}
70 73
71#define define_siblings_show_list(name) \ 74#define define_siblings_show_list(name) \
@@ -74,7 +77,7 @@ static ssize_t show_##name##_list(struct sys_device *dev, \
74 char *buf) \ 77 char *buf) \
75{ \ 78{ \
76 unsigned int cpu = dev->id; \ 79 unsigned int cpu = dev->id; \
77 return show_cpumap(1, &(topology_##name(cpu)), buf); \ 80 return show_cpumap(1, topology_##name(cpu), buf); \
78} 81}
79 82
80#else 83#else
@@ -82,9 +85,7 @@ static ssize_t show_##name##_list(struct sys_device *dev, \
82static ssize_t show_##name(struct sys_device *dev, \ 85static ssize_t show_##name(struct sys_device *dev, \
83 struct sysdev_attribute *attr, char *buf) \ 86 struct sysdev_attribute *attr, char *buf) \
84{ \ 87{ \
85 unsigned int cpu = dev->id; \ 88 return show_cpumap(0, topology_##name(dev->id), buf); \
86 cpumask_t mask = topology_##name(cpu); \
87 return show_cpumap(0, &mask, buf); \
88} 89}
89 90
90#define define_siblings_show_list(name) \ 91#define define_siblings_show_list(name) \
@@ -92,9 +93,7 @@ static ssize_t show_##name##_list(struct sys_device *dev, \
92 struct sysdev_attribute *attr, \ 93 struct sysdev_attribute *attr, \
93 char *buf) \ 94 char *buf) \
94{ \ 95{ \
95 unsigned int cpu = dev->id; \ 96 return show_cpumap(1, topology_##name(dev->id), buf); \
96 cpumask_t mask = topology_##name(cpu); \
97 return show_cpumap(1, &mask, buf); \
98} 97}
99#endif 98#endif
100 99
@@ -107,13 +106,13 @@ define_one_ro(physical_package_id);
107define_id_show_func(core_id); 106define_id_show_func(core_id);
108define_one_ro(core_id); 107define_one_ro(core_id);
109 108
110define_siblings_show_func(thread_siblings); 109define_siblings_show_func(thread_cpumask);
111define_one_ro(thread_siblings); 110define_one_ro_named(thread_siblings, show_thread_cpumask);
112define_one_ro(thread_siblings_list); 111define_one_ro_named(thread_siblings_list, show_thread_cpumask_list);
113 112
114define_siblings_show_func(core_siblings); 113define_siblings_show_func(core_cpumask);
115define_one_ro(core_siblings); 114define_one_ro_named(core_siblings, show_core_cpumask);
116define_one_ro(core_siblings_list); 115define_one_ro_named(core_siblings_list, show_core_cpumask_list);
117 116
118static struct attribute *default_attrs[] = { 117static struct attribute *default_attrs[] = {
119 &attr_physical_package_id.attr, 118 &attr_physical_package_id.attr,