diff options
Diffstat (limited to 'drivers/gpu/drm/drm_sysfs.c')
-rw-r--r-- | drivers/gpu/drm/drm_sysfs.c | 40 |
1 files changed, 33 insertions, 7 deletions
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c index 1a35ea53106b..bd2bca395792 100644 --- a/drivers/gpu/drm/drm_sysfs.c +++ b/drivers/gpu/drm/drm_sysfs.c | |||
@@ -489,6 +489,11 @@ void drm_sysfs_hotplug_event(struct drm_device *dev) | |||
489 | } | 489 | } |
490 | EXPORT_SYMBOL(drm_sysfs_hotplug_event); | 490 | EXPORT_SYMBOL(drm_sysfs_hotplug_event); |
491 | 491 | ||
492 | static void drm_sysfs_release(struct device *dev) | ||
493 | { | ||
494 | kfree(dev); | ||
495 | } | ||
496 | |||
492 | /** | 497 | /** |
493 | * drm_sysfs_device_add - adds a class device to sysfs for a character driver | 498 | * drm_sysfs_device_add - adds a class device to sysfs for a character driver |
494 | * @dev: DRM device to be added | 499 | * @dev: DRM device to be added |
@@ -501,6 +506,7 @@ EXPORT_SYMBOL(drm_sysfs_hotplug_event); | |||
501 | int drm_sysfs_device_add(struct drm_minor *minor) | 506 | int drm_sysfs_device_add(struct drm_minor *minor) |
502 | { | 507 | { |
503 | char *minor_str; | 508 | char *minor_str; |
509 | int r; | ||
504 | 510 | ||
505 | if (minor->type == DRM_MINOR_CONTROL) | 511 | if (minor->type == DRM_MINOR_CONTROL) |
506 | minor_str = "controlD%d"; | 512 | minor_str = "controlD%d"; |
@@ -509,14 +515,34 @@ int drm_sysfs_device_add(struct drm_minor *minor) | |||
509 | else | 515 | else |
510 | minor_str = "card%d"; | 516 | minor_str = "card%d"; |
511 | 517 | ||
512 | minor->kdev = device_create(drm_class, minor->dev->dev, | 518 | minor->kdev = kzalloc(sizeof(*minor->kdev), GFP_KERNEL); |
513 | MKDEV(DRM_MAJOR, minor->index), | 519 | if (!minor->dev) { |
514 | minor, minor_str, minor->index); | 520 | r = -ENOMEM; |
515 | if (IS_ERR(minor->kdev)) { | 521 | goto error; |
516 | DRM_ERROR("device create failed %ld\n", PTR_ERR(minor->kdev)); | ||
517 | return PTR_ERR(minor->kdev); | ||
518 | } | 522 | } |
523 | |||
524 | device_initialize(minor->kdev); | ||
525 | minor->kdev->devt = MKDEV(DRM_MAJOR, minor->index); | ||
526 | minor->kdev->class = drm_class; | ||
527 | minor->kdev->type = &drm_sysfs_device_minor; | ||
528 | minor->kdev->parent = minor->dev->dev; | ||
529 | minor->kdev->release = drm_sysfs_release; | ||
530 | dev_set_drvdata(minor->kdev, minor); | ||
531 | |||
532 | r = dev_set_name(minor->kdev, minor_str, minor->index); | ||
533 | if (r < 0) | ||
534 | goto error; | ||
535 | |||
536 | r = device_add(minor->kdev); | ||
537 | if (r < 0) | ||
538 | goto error; | ||
539 | |||
519 | return 0; | 540 | return 0; |
541 | |||
542 | error: | ||
543 | DRM_ERROR("device create failed %d\n", r); | ||
544 | put_device(minor->kdev); | ||
545 | return r; | ||
520 | } | 546 | } |
521 | 547 | ||
522 | /** | 548 | /** |
@@ -529,7 +555,7 @@ int drm_sysfs_device_add(struct drm_minor *minor) | |||
529 | void drm_sysfs_device_remove(struct drm_minor *minor) | 555 | void drm_sysfs_device_remove(struct drm_minor *minor) |
530 | { | 556 | { |
531 | if (minor->kdev) | 557 | if (minor->kdev) |
532 | device_destroy(drm_class, MKDEV(DRM_MAJOR, minor->index)); | 558 | device_unregister(minor->kdev); |
533 | minor->kdev = NULL; | 559 | minor->kdev = NULL; |
534 | } | 560 | } |
535 | 561 | ||