aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/base/sys.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/base/sys.c')
-rw-r--r--drivers/base/sys.c49
1 files changed, 20 insertions, 29 deletions
diff --git a/drivers/base/sys.c b/drivers/base/sys.c
index ac7ff6d0c6e5..2f79c55acdcc 100644
--- a/drivers/base/sys.c
+++ b/drivers/base/sys.c
@@ -25,8 +25,6 @@
25 25
26#include "base.h" 26#include "base.h"
27 27
28extern struct kset devices_subsys;
29
30#define to_sysdev(k) container_of(k, struct sys_device, kobj) 28#define to_sysdev(k) container_of(k, struct sys_device, kobj)
31#define to_sysdev_attr(a) container_of(a, struct sysdev_attribute, attr) 29#define to_sysdev_attr(a) container_of(a, struct sysdev_attribute, attr)
32 30
@@ -128,18 +126,17 @@ void sysdev_class_remove_file(struct sysdev_class *c,
128} 126}
129EXPORT_SYMBOL_GPL(sysdev_class_remove_file); 127EXPORT_SYMBOL_GPL(sysdev_class_remove_file);
130 128
131/* 129static struct kset *system_kset;
132 * declare system_subsys
133 */
134static decl_subsys(system, &ktype_sysdev_class, NULL);
135 130
136int sysdev_class_register(struct sysdev_class * cls) 131int sysdev_class_register(struct sysdev_class * cls)
137{ 132{
138 pr_debug("Registering sysdev class '%s'\n", 133 pr_debug("Registering sysdev class '%s'\n",
139 kobject_name(&cls->kset.kobj)); 134 kobject_name(&cls->kset.kobj));
140 INIT_LIST_HEAD(&cls->drivers); 135 INIT_LIST_HEAD(&cls->drivers);
141 cls->kset.kobj.parent = &system_subsys.kobj; 136 cls->kset.kobj.parent = &system_kset->kobj;
142 cls->kset.kobj.kset = &system_subsys; 137 cls->kset.kobj.ktype = &ktype_sysdev_class;
138 cls->kset.kobj.kset = system_kset;
139 kobject_set_name(&cls->kset.kobj, cls->name);
143 return kset_register(&cls->kset); 140 return kset_register(&cls->kset);
144} 141}
145 142
@@ -228,20 +225,15 @@ int sysdev_register(struct sys_device * sysdev)
228 if (!cls) 225 if (!cls)
229 return -EINVAL; 226 return -EINVAL;
230 227
228 pr_debug("Registering sys device '%s'\n", kobject_name(&sysdev->kobj));
229
231 /* Make sure the kset is set */ 230 /* Make sure the kset is set */
232 sysdev->kobj.kset = &cls->kset; 231 sysdev->kobj.kset = &cls->kset;
233 232
234 /* But make sure we point to the right type for sysfs translation */
235 sysdev->kobj.ktype = &ktype_sysdev;
236 error = kobject_set_name(&sysdev->kobj, "%s%d",
237 kobject_name(&cls->kset.kobj), sysdev->id);
238 if (error)
239 return error;
240
241 pr_debug("Registering sys device '%s'\n", kobject_name(&sysdev->kobj));
242
243 /* Register the object */ 233 /* Register the object */
244 error = kobject_register(&sysdev->kobj); 234 error = kobject_init_and_add(&sysdev->kobj, &ktype_sysdev, NULL,
235 "%s%d", kobject_name(&cls->kset.kobj),
236 sysdev->id);
245 237
246 if (!error) { 238 if (!error) {
247 struct sysdev_driver * drv; 239 struct sysdev_driver * drv;
@@ -258,6 +250,7 @@ int sysdev_register(struct sys_device * sysdev)
258 } 250 }
259 mutex_unlock(&sysdev_drivers_lock); 251 mutex_unlock(&sysdev_drivers_lock);
260 } 252 }
253 kobject_uevent(&sysdev->kobj, KOBJ_ADD);
261 return error; 254 return error;
262} 255}
263 256
@@ -272,7 +265,7 @@ void sysdev_unregister(struct sys_device * sysdev)
272 } 265 }
273 mutex_unlock(&sysdev_drivers_lock); 266 mutex_unlock(&sysdev_drivers_lock);
274 267
275 kobject_unregister(&sysdev->kobj); 268 kobject_put(&sysdev->kobj);
276} 269}
277 270
278 271
@@ -298,8 +291,7 @@ void sysdev_shutdown(void)
298 pr_debug("Shutting Down System Devices\n"); 291 pr_debug("Shutting Down System Devices\n");
299 292
300 mutex_lock(&sysdev_drivers_lock); 293 mutex_lock(&sysdev_drivers_lock);
301 list_for_each_entry_reverse(cls, &system_subsys.list, 294 list_for_each_entry_reverse(cls, &system_kset->list, kset.kobj.entry) {
302 kset.kobj.entry) {
303 struct sys_device * sysdev; 295 struct sys_device * sysdev;
304 296
305 pr_debug("Shutting down type '%s':\n", 297 pr_debug("Shutting down type '%s':\n",
@@ -361,9 +353,7 @@ int sysdev_suspend(pm_message_t state)
361 353
362 pr_debug("Suspending System Devices\n"); 354 pr_debug("Suspending System Devices\n");
363 355
364 list_for_each_entry_reverse(cls, &system_subsys.list, 356 list_for_each_entry_reverse(cls, &system_kset->list, kset.kobj.entry) {
365 kset.kobj.entry) {
366
367 pr_debug("Suspending type '%s':\n", 357 pr_debug("Suspending type '%s':\n",
368 kobject_name(&cls->kset.kobj)); 358 kobject_name(&cls->kset.kobj));
369 359
@@ -414,8 +404,7 @@ aux_driver:
414 } 404 }
415 405
416 /* resume other classes */ 406 /* resume other classes */
417 list_for_each_entry_continue(cls, &system_subsys.list, 407 list_for_each_entry_continue(cls, &system_kset->list, kset.kobj.entry) {
418 kset.kobj.entry) {
419 list_for_each_entry(err_dev, &cls->kset.list, kobj.entry) { 408 list_for_each_entry(err_dev, &cls->kset.list, kobj.entry) {
420 pr_debug(" %s\n", kobject_name(&err_dev->kobj)); 409 pr_debug(" %s\n", kobject_name(&err_dev->kobj));
421 __sysdev_resume(err_dev); 410 __sysdev_resume(err_dev);
@@ -440,7 +429,7 @@ int sysdev_resume(void)
440 429
441 pr_debug("Resuming System Devices\n"); 430 pr_debug("Resuming System Devices\n");
442 431
443 list_for_each_entry(cls, &system_subsys.list, kset.kobj.entry) { 432 list_for_each_entry(cls, &system_kset->list, kset.kobj.entry) {
444 struct sys_device * sysdev; 433 struct sys_device * sysdev;
445 434
446 pr_debug("Resuming type '%s':\n", 435 pr_debug("Resuming type '%s':\n",
@@ -458,8 +447,10 @@ int sysdev_resume(void)
458 447
459int __init system_bus_init(void) 448int __init system_bus_init(void)
460{ 449{
461 system_subsys.kobj.parent = &devices_subsys.kobj; 450 system_kset = kset_create_and_add("system", NULL, &devices_kset->kobj);
462 return subsystem_register(&system_subsys); 451 if (!system_kset)
452 return -ENOMEM;
453 return 0;
463} 454}
464 455
465EXPORT_SYMBOL_GPL(sysdev_register); 456EXPORT_SYMBOL_GPL(sysdev_register);