char/tpm/tpm_tis_i2c_cr50.c

155 	int rc;
158 		rc = __i2c_transfer(adapter, msg, 1);
159 		if (rc == 1)
163 				 try + 1, TPM_CR50_I2C_MAX_RETRIES, rc);
200 	int rc;
208 	rc = tpm_cr50_i2c_transfer_message(&chip->dev, client->adapter, &msg_reg_addr);
209 	if (rc < 0)
213 	rc = tpm_cr50_i2c_wait_tpm_ready(chip);
214 	if (rc < 0)
218 	rc = tpm_cr50_i2c_transfer_message(&chip->dev, client->adapter, &msg_response);
224 	if (rc < 0)
225 		return rc;
255 	int rc;
270 	rc = tpm_cr50_i2c_transfer_message(&chip->dev, client->adapter, &msg);
271 	if (rc < 0)
281 	if (rc < 0)
282 		return rc;
299 	int rc;
301 	rc = tpm_cr50_i2c_read(chip, TPM_I2C_ACCESS(0), &buf, sizeof(buf));
302 	if (rc < 0)
303 		return rc;
343 	int rc;
348 	rc = tpm_cr50_i2c_write(chip, TPM_I2C_ACCESS(0), &buf, sizeof(buf));
349 	if (rc < 0)
350 		return rc;
458 	int rc;
463 	rc = tpm_cr50_i2c_get_burst_and_status(chip, mask, &burstcnt, &status);
464 	if (rc < 0)
471 		rc = -EIO;
476 	rc = tpm_cr50_i2c_read(chip, addr, buf, burstcnt);
477 	if (rc < 0) {
486 		rc = -E2BIG;
494 		rc = tpm_cr50_i2c_get_burst_and_status(chip, mask, &burstcnt, &status);
495 		if (rc < 0)
499 		rc = tpm_cr50_i2c_read(chip, addr, buf + cur, len);
500 		if (rc < 0) {
509 	rc = tpm_cr50_i2c_get_burst_and_status(chip, TPM_STS_VALID, &burstcnt, &status);
510 	if (rc < 0)
514 		rc = -EIO;
527 	return rc;
546 	int rc;
548 	rc = tpm_cr50_request_locality(chip);
549 	if (rc < 0)
550 		return rc;
556 			rc = -ETIMEDOUT;
571 		rc = tpm_cr50_i2c_get_burst_and_status(chip, mask, &burstcnt, &status);
572 		if (rc < 0)
580 		rc = tpm_cr50_i2c_write(chip, TPM_I2C_DATA_FIFO(0), &buf[sent], limit);
581 		if (rc < 0) {
591 	rc = tpm_cr50_i2c_get_burst_and_status(chip, TPM_STS_VALID, &burstcnt, &status);
592 	if (rc < 0)
596 		rc = -EIO;
601 	rc = tpm_cr50_i2c_write(chip, TPM_I2C_STS(0), tpm_go,
603 	if (rc < 0) {
615 	return rc;
686 	int rc;
714 		rc = devm_request_irq(dev, client->irq, tpm_cr50_i2c_int_handler,
718 		if (rc < 0) {
720 			return rc;
729 	rc = tpm_cr50_request_locality(chip);
730 	if (rc < 0) {
732 		return rc;
736 	rc = tpm_cr50_i2c_read(chip, TPM_I2C_DID_VID(0), buf, sizeof(buf));
737 	if (rc < 0) {
740 		return rc;