char/tpm/tpm_tis_i2c_cr50.c

15  * - When reading from FIFO the full burstcnt must be read instead of just
455 	size_t burstcnt, cur, len, expected;
463 	rc = tpm_cr50_i2c_get_burst_and_status(chip, mask, &burstcnt, &status);
467 	if (burstcnt > buf_len || burstcnt < TPM_HEADER_SIZE) {
469 			"Unexpected burstcnt: %zu (max=%zu, min=%d)\n",
470 			burstcnt, buf_len, TPM_HEADER_SIZE);
475 	/* Read first chunk of burstcnt bytes */
476 	rc = tpm_cr50_i2c_read(chip, addr, buf, burstcnt);
491 	cur = burstcnt;
494 		rc = tpm_cr50_i2c_get_burst_and_status(chip, mask, &burstcnt, &status);
498 		len = min_t(size_t, burstcnt, expected - cur);
509 	rc = tpm_cr50_i2c_get_burst_and_status(chip, TPM_STS_VALID, &burstcnt, &status);
542 	size_t burstcnt, limit, sent = 0;
571 		rc = tpm_cr50_i2c_get_burst_and_status(chip, mask, &burstcnt, &status);
576 		 * Use burstcnt - 1 to account for the address byte
579 		limit = min_t(size_t, burstcnt - 1, len);
591 	rc = tpm_cr50_i2c_get_burst_and_status(chip, TPM_STS_VALID, &burstcnt, &status);