ret = uclass_first_device(UCLASS_TPM, &dev);
if (ret)
return ret;
err = tpm_xfer(dev, command, tpm_command_size(command),
response, &response_length);
ret = uclass_first_device(UCLASS_TPM, &dev);
if (ret)
return ret;
err = tpm_xfer(dev, command, tpm_command_size(command),
response, &response_length);