tee: optee: don't fail probe because of optee-rng

Fixes optee-rng driver bind sequence in optee driver to print a warning
message but not report an error status when a optee-rng service driver
fails to be bound as the optee driver itself is still fully functional.

Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>

diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c
index 9240277..604fd14 100644 (file)
--- a/drivers/tee/optee/core.c
+++ b/drivers/tee/optee/core.c
@@ -834,7 +834,7 @@ static int optee_probe(struct udevice *dev)
                 */
                ret = device_bind_driver(dev, "optee-rng", "optee-rng", NULL);
                if (ret)
-                       return ret;
+                       dev_warn(dev, "ftpm_tee failed to bind: %d\n", ret);
        }
 
        return 0;