From: Chen Jun chenjun102@huawei.com
stable inclusion from linux-4.19.226 commit f155b0fbde518857ee2d42f1fbfda6bdf0123363
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[ Upstream commit 0ef333f5ba7f24f5d8478425c163d3097f1c7afd ]
Locality is not appropriately requested before writing the int mask. Add the missing boilerplate.
Fixes: e6aef069b6e9 ("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 Signed-off-by: Yongqiang Liu liuyongqiang13@huawei.com Signed-off-by: Laibin Qiu qiulaibin@huawei.com --- drivers/char/tpm/tpm_tis_core.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c index 0aade05f47fa..a8e8289e0b35 100644 --- a/drivers/char/tpm/tpm_tis_core.c +++ b/drivers/char/tpm/tpm_tis_core.c @@ -918,7 +918,15 @@ 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 | TPM_INTF_DATA_AVAIL_INT | TPM_INTF_STS_VALID_INT; 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); + release_locality(chip, 0);
rc = tpm2_probe(chip); if (rc)