334 	ssize_t rc;  in tpm_transmit()  local
353 	rc = chip->ops->send(chip, (u8 *) buf, count);  in tpm_transmit()
354 	if (rc < 0) {  in tpm_transmit()
356 			"tpm_transmit: tpm_send: error %zd\n", rc);  in tpm_transmit()
375 			rc = -ECANCELED;  in tpm_transmit()
385 	rc = -ETIME;  in tpm_transmit()
389 	rc = chip->ops->recv(chip, (u8 *) buf, bufsiz);  in tpm_transmit()
390 	if (rc < 0)  in tpm_transmit()
392 			"tpm_transmit: tpm_recv: error %zd\n", rc);  in tpm_transmit()
395 	return rc;  in tpm_transmit()
437 	int rc;  in tpm_getcap()  local
455 	rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE, desc);  in tpm_getcap()
456 	if (!rc)  in tpm_getcap()
458 	return rc;  in tpm_getcap()
464 	ssize_t rc;  in tpm_gen_interrupt()  local
471 	rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE,  in tpm_gen_interrupt()
502 	ssize_t rc;  in tpm_get_timeouts()  local
508 	rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE, NULL);  in tpm_get_timeouts()
510 	if (rc == TPM_ERR_INVALID_POSTINIT) {  in tpm_get_timeouts()
515 			return rc;  in tpm_get_timeouts()
521 		rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE,  in tpm_get_timeouts()
524 	if (rc) {  in tpm_get_timeouts()
527 			rc);  in tpm_get_timeouts()
583 	rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE,  in tpm_get_timeouts()
585 	if (rc)  in tpm_get_timeouts()
586 		return rc;  in tpm_get_timeouts()
635 	int rc;  in tpm_continue_selftest()  local
639 	rc = tpm_transmit_cmd(chip, &cmd, CONTINUE_SELFTEST_RESULT_SIZE,  in tpm_continue_selftest()
641 	return rc;  in tpm_continue_selftest()
654 	int rc;  in tpm_pcr_read_dev()  local
659 	rc = tpm_transmit_cmd(chip, &cmd, READ_PCR_RESULT_SIZE,  in tpm_pcr_read_dev()
662 	if (rc == 0)  in tpm_pcr_read_dev()
665 	return rc;  in tpm_pcr_read_dev()
682 	int rc;  in tpm_pcr_read()  local
688 		rc = tpm2_pcr_read(chip, pcr_idx, res_buf);  in tpm_pcr_read()
690 		rc = tpm_pcr_read_dev(chip, pcr_idx, res_buf);  in tpm_pcr_read()
692 	return rc;  in tpm_pcr_read()
717 	int rc;  in tpm_pcr_extend()  local
725 		rc = tpm2_pcr_extend(chip, pcr_idx, hash);  in tpm_pcr_extend()
727 		return rc;  in tpm_pcr_extend()
733 	rc = tpm_transmit_cmd(chip, &cmd, EXTEND_PCR_RESULT_SIZE,  in tpm_pcr_extend()
737 	return rc;  in tpm_pcr_extend()
751 	int rc;  in tpm_do_selftest()  local
761 	rc = tpm_continue_selftest(chip);  in tpm_do_selftest()
765 	if (rc)  in tpm_do_selftest()
766 		return rc;  in tpm_do_selftest()
772 		rc = tpm_transmit(chip, (u8 *) &cmd, READ_PCR_RESULT_SIZE);  in tpm_do_selftest()
776 		if (rc == -ETIME) {  in tpm_do_selftest()
782 		if (rc < TPM_HEADER_SIZE)  in tpm_do_selftest()
785 		rc = be32_to_cpu(cmd.header.out.return_code);  in tpm_do_selftest()
786 		if (rc == TPM_ERR_DISABLED || rc == TPM_ERR_DEACTIVATED) {  in tpm_do_selftest()
788 				 "TPM is disabled/deactivated (0x%X)\n", rc);  in tpm_do_selftest()
795 		if (rc != TPM_WARN_DOING_SELFTEST)  in tpm_do_selftest()
796 			return rc;  in tpm_do_selftest()
800 	return rc;  in tpm_do_selftest()
807 	int rc;  in tpm_send()  local
813 	rc = tpm_transmit_cmd(chip, cmd, buflen, "attempting tpm_cmd");  in tpm_send()
816 	return rc;  in tpm_send()
839 	long rc;  in wait_for_tpm_stat()  local
855 		rc = wait_event_interruptible_timeout(*queue,  in wait_for_tpm_stat()
859 		if (rc > 0) {  in wait_for_tpm_stat()
864 		if (rc == -ERESTARTSYS && freezing(current)) {  in wait_for_tpm_stat()
897 	int rc, try;  in tpm_pm_suspend()  local
915 		rc = tpm_transmit_cmd(chip, &cmd, EXTEND_PCR_RESULT_SIZE,  in tpm_pm_suspend()
922 		rc = tpm_transmit_cmd(chip, &cmd, SAVESTATE_RESULT_SIZE, NULL);  in tpm_pm_suspend()
934 		if (rc != TPM_WARN_RETRY)  in tpm_pm_suspend()
939 	if (rc)  in tpm_pm_suspend()
941 			"Error (%d) sending savestate before suspend\n", rc);  in tpm_pm_suspend()
946 	return rc;  in tpm_pm_suspend()
1026 	int rc;  in tpm_init()  local
1034 	rc = alloc_chrdev_region(&tpm_devt, 0, TPM_NUM_DEVICES, "tpm");  in tpm_init()
1035 	if (rc < 0) {  in tpm_init()
1038 		return rc;  in tpm_init()