TPM_I2C_ACCESS
case TPM_I2C_ACCESS:
return TPM_I2C_ACCESS;
rc = tpm_cr50_i2c_read(chip, TPM_I2C_ACCESS(loc), &buf, sizeof(buf));
u8 addr = TPM_I2C_ACCESS(loc);
rc = tpm_cr50_i2c_write(chip, TPM_I2C_ACCESS(loc), &buf, sizeof(buf));