tpm: tpm_i2c_nuvoton: use correct command duration for TPM 2.x
tpm_i2c_nuvoton calculated commands duration using TPM 1.x values via tpm_calc_ordinal_duration() also for TPM 2.x chips. Call tpm2_calc_ordinal_duration() for retrieving ordinal duration for TPM 2.X chips. Cc: stable@vger.kernel.org Cc: Nayna Jain <nayna@linux.vnet.ibm.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Reviewed-by: Nayna Jain <nayna@linux.ibm.com> Tested-by: Nayna Jain <nayna@linux.ibm.com> (For TPM 2.0) Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
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26b76320a8
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2ba5780ce3
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@ -369,6 +369,7 @@ static int i2c_nuvoton_send(struct tpm_chip *chip, u8 *buf, size_t len)
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struct device *dev = chip->dev.parent;
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struct i2c_client *client = to_i2c_client(dev);
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u32 ordinal;
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unsigned long duration;
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size_t count = 0;
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int burst_count, bytes2write, retries, rc = -EIO;
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@ -455,10 +456,12 @@ static int i2c_nuvoton_send(struct tpm_chip *chip, u8 *buf, size_t len)
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return rc;
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}
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ordinal = be32_to_cpu(*((__be32 *) (buf + 6)));
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rc = i2c_nuvoton_wait_for_data_avail(chip,
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tpm_calc_ordinal_duration(chip,
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ordinal),
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&priv->read_queue);
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if (chip->flags & TPM_CHIP_FLAG_TPM2)
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duration = tpm2_calc_ordinal_duration(chip, ordinal);
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else
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duration = tpm_calc_ordinal_duration(chip, ordinal);
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rc = i2c_nuvoton_wait_for_data_avail(chip, duration, &priv->read_queue);
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if (rc) {
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dev_err(dev, "%s() timeout command duration\n", __func__);
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i2c_nuvoton_ready(chip);
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