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-rw-r--r--drivers/tee/tee_core.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c
index 0eb342de0b..5ddfd5d9ac 100644
--- a/drivers/tee/tee_core.c
+++ b/drivers/tee/tee_core.c
@@ -40,7 +40,10 @@ static const uuid_t tee_client_uuid_ns = UUID_INIT(0x58ac9ca0, 0x2086, 0x4683,
static DECLARE_BITMAP(dev_mask, TEE_NUM_DEVICES);
static DEFINE_SPINLOCK(driver_lock);
-static struct class *tee_class;
+static const struct class tee_class = {
+ .name = "tee",
+};
+
static dev_t tee_devt;
struct tee_context *teedev_open(struct tee_device *teedev)
@@ -919,7 +922,7 @@ struct tee_device *tee_device_alloc(const struct tee_desc *teedesc,
teedesc->flags & TEE_DESC_PRIVILEGED ? "priv" : "",
teedev->id - offs);
- teedev->dev.class = tee_class;
+ teedev->dev.class = &tee_class;
teedev->dev.release = tee_release_device;
teedev->dev.parent = dev;
@@ -1112,7 +1115,7 @@ tee_client_open_context(struct tee_context *start,
dev = &start->teedev->dev;
do {
- dev = class_find_device(tee_class, dev, &match_data, match_dev);
+ dev = class_find_device(&tee_class, dev, &match_data, match_dev);
if (!dev) {
ctx = ERR_PTR(-ENOENT);
break;
@@ -1226,10 +1229,10 @@ static int __init tee_init(void)
{
int rc;
- tee_class = class_create("tee");
- if (IS_ERR(tee_class)) {
+ rc = class_register(&tee_class);
+ if (rc) {
pr_err("couldn't create class\n");
- return PTR_ERR(tee_class);
+ return rc;
}
rc = alloc_chrdev_region(&tee_devt, 0, TEE_NUM_DEVICES, "tee");
@@ -1249,8 +1252,7 @@ static int __init tee_init(void)
out_unreg_chrdev:
unregister_chrdev_region(tee_devt, TEE_NUM_DEVICES);
out_unreg_class:
- class_destroy(tee_class);
- tee_class = NULL;
+ class_unregister(&tee_class);
return rc;
}
@@ -1259,8 +1261,7 @@ static void __exit tee_exit(void)
{
bus_unregister(&tee_bus_type);
unregister_chrdev_region(tee_devt, TEE_NUM_DEVICES);
- class_destroy(tee_class);
- tee_class = NULL;
+ class_unregister(&tee_class);
}
subsys_initcall(tee_init);