[PATCHv3 2/3] optee: use uuid for sysfs driver entry

[Maxim Uvarov]

Optee device names for sysfs needed to be unique
and it's better if they will mean something. UUID for name
looks like good solution:
/sys/bus/tee/devices/optee-clnt-<uuid>

Signed-off-by: Maxim Uvarov <maxim.uva...@linaro.org>
---
 drivers/tee/optee/device.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/tee/optee/device.c b/drivers/tee/optee/device.c
index d4931dad07aa..aab917605e74 100644
--- a/drivers/tee/optee/device.c
+++ b/drivers/tee/optee/device.c
@@ -65,7 +65,7 @@ static int get_devices(struct tee_context *ctx, u32 session,
        return 0;
 }
 
-static int optee_register_device(const uuid_t *device_uuid, u32 device_id)
+static int optee_register_device(const uuid_t *device_uuid)
 {
        struct tee_client_device *optee_device = NULL;
        int rc;
@@ -75,7 +75,7 @@ static int optee_register_device(const uuid_t *device_uuid, 
u32 device_id)
                return -ENOMEM;
 
        optee_device->dev.bus = &tee_bus_type;
-       dev_set_name(&optee_device->dev, "optee-clnt%u", device_id);
+       dev_set_name(&optee_device->dev, "optee-clnt-%pUl", device_uuid);
        uuid_copy(&optee_device->id.uuid, device_uuid);
 
        rc = device_register(&optee_device->dev);
@@ -144,7 +144,7 @@ static int __optee_enumerate_devices(u32 func)
        num_devices = shm_size / sizeof(uuid_t);
 
        for (idx = 0; idx < num_devices; idx++) {
-               rc = optee_register_device(&device_uuid[idx], idx);
+               rc = optee_register_device(&device_uuid[idx]);
                if (rc)
                        goto out_shm;
        }
-- 
2.17.1