diff options
| author | Sudeep Holla <sudeep.holla@arm.com> | 2020-09-01 11:33:35 +0100 |
|---|---|---|
| committer | Jens Wiklander <jens.wiklander@linaro.org> | 2020-09-18 10:44:45 +0200 |
| commit | 8c05f50fe8452f9d3220efad77bef42c7b498193 (patch) | |
| tree | 7adb2df26c08b39293d3872017d6d62813dbaf90 /drivers/tee | |
| parent | ab3d8e1baaee4b167cc99120f640ee4de6d05d50 (diff) | |
| download | linux-8c05f50fe8452f9d3220efad77bef42c7b498193.tar.bz2 | |
tee: avoid explicit sysfs_create/delete_group by initialising dev->groups
If the dev->groups is initialised, the sysfs group is created as part
of device_add call. There is no need to call sysfs_create/delete_group
explicitly.
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Diffstat (limited to 'drivers/tee')
| -rw-r--r-- | drivers/tee/tee_core.c | 21 |
1 files changed, 4 insertions, 17 deletions
diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c index b4a8b362d78f..f77d64fafead 100644 --- a/drivers/tee/tee_core.c +++ b/drivers/tee/tee_core.c @@ -962,9 +962,7 @@ static struct attribute *tee_dev_attrs[] = { NULL }; -static const struct attribute_group tee_dev_group = { - .attrs = tee_dev_attrs, -}; +ATTRIBUTE_GROUPS(tee_dev); /** * tee_device_register() - Registers a TEE device @@ -984,6 +982,8 @@ int tee_device_register(struct tee_device *teedev) return -EINVAL; } + teedev->dev.groups = tee_dev_groups; + rc = cdev_device_add(&teedev->cdev, &teedev->dev); if (rc) { dev_err(&teedev->dev, @@ -993,19 +993,8 @@ int tee_device_register(struct tee_device *teedev) return rc; } - rc = sysfs_create_group(&teedev->dev.kobj, &tee_dev_group); - if (rc) { - dev_err(&teedev->dev, - "failed to create sysfs attributes, err=%d\n", rc); - goto err_sysfs_create_group; - } - teedev->flags |= TEE_DEVICE_FLAG_REGISTERED; return 0; - -err_sysfs_create_group: - cdev_device_del(&teedev->cdev, &teedev->dev); - return rc; } EXPORT_SYMBOL_GPL(tee_device_register); @@ -1048,10 +1037,8 @@ void tee_device_unregister(struct tee_device *teedev) if (!teedev) return; - if (teedev->flags & TEE_DEVICE_FLAG_REGISTERED) { - sysfs_remove_group(&teedev->dev.kobj, &tee_dev_group); + if (teedev->flags & TEE_DEVICE_FLAG_REGISTERED) cdev_device_del(&teedev->cdev, &teedev->dev); - } tee_device_put(teedev); wait_for_completion(&teedev->c_no_users); |