static int tb_retimer_nvm_authenticate(struct tb_retimer *rt, bool auth_only)
{
+ u32 status;
int ret;
if (auth_only) {
return ret;
}
- return usb4_port_retimer_nvm_authenticate(rt->port, rt->index);
+ ret = usb4_port_retimer_nvm_authenticate(rt->port, rt->index);
+ if (ret)
+ return ret;
+
+ usleep_range(100, 150);
+
+ /*
+ * Check the status now if we still can access the retimer. It
+ * is expected that the below fails.
+ */
+ ret = usb4_port_retimer_nvm_authenticate_status(rt->port, rt->index,
+ &status);
+ if (!ret) {
+ rt->auth_status = status;
+ return status ? -EINVAL : 0;
+ }
+
+ return 0;
}
static ssize_t device_show(struct device *dev, struct device_attribute *attr,