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tpm: add request_locality before write TPM_INT_ENABLE

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[ Upstream commit 0ef333f5ba ]

Locality is not appropriately requested before writing the int mask.
Add the missing boilerplate.

Fixes: e6aef069b6 ("tpm_tis: convert to using locality callbacks")
Signed-off-by: Chen Jun <chenjun102@huawei.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chen Jun 2021-10-13 06:25:56 +00:00 committed by Greg Kroah-Hartman
parent 20edf903a3
commit fb46223c9f
1 changed files with 8 additions and 0 deletions
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8
drivers/char/tpm/tpm_tis_core.c
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@ -994,7 +994,15 @@ int tpm_tis_core_init(struct device *dev, struct tpm_tis_data *priv, int irq,
intmask |= TPM_INTF_CMD_READY_INT | TPM_INTF_LOCALITY_CHANGE_INT | intmask |= TPM_INTF_CMD_READY_INT | TPM_INTF_LOCALITY_CHANGE_INT |
TPM_INTF_DATA_AVAIL_INT | TPM_INTF_STS_VALID_INT; TPM_INTF_DATA_AVAIL_INT | TPM_INTF_STS_VALID_INT;
intmask &= ~TPM_GLOBAL_INT_ENABLE; intmask &= ~TPM_GLOBAL_INT_ENABLE;
rc = request_locality(chip, 0);
if (rc < 0) {
rc = -ENODEV;
goto out_err;
}
tpm_tis_write32(priv, TPM_INT_ENABLE(priv->locality), intmask); tpm_tis_write32(priv, TPM_INT_ENABLE(priv->locality), intmask);
release_locality(chip, 0);
rc = tpm_chip_start(chip); rc = tpm_chip_start(chip);
if (rc) if (rc)