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| author |   Winkler, Tomas <tomas.winkler@intel.com> | 2016-09-12 16:04:20 +0300 |
|---|---|---|
| committer |   Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2016-11-28 01:31:30 +0200 |
| commit | c58bd34cec4c05f8e3362a79ae94de9f405c39b5 (patch) | |
| tree | fef2ef1dbaaba3783a665cfbbd6253c3e9cafbe5 /drivers/char | |
| parent | tmp/tpm_crb: fix Intel PTT hw bug during idle state (diff) | |
| download | wireguard-linux-c58bd34cec4c05f8e3362a79ae94de9f405c39b5.tar.xz wireguard-linux-c58bd34cec4c05f8e3362a79ae94de9f405c39b5.zip | |
tpm/tpm_crb: open code the crb_init into acpi_add
This is preparation step for implementing tpm crb
runtime pm. We need to have tpm chip allocated
and populated before we access the runtime handlers.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/tpm/tpm_crb.c | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c index ff0d505ecffd..f579f1ac4688 100644 --- a/drivers/char/tpm/tpm_crb.c +++ b/drivers/char/tpm/tpm_crb.c @@ -262,21 +262,6 @@ static const struct tpm_class_ops tpm_crb = { .req_complete_val = CRB_DRV_STS_COMPLETE, }; -static int crb_init(struct acpi_device *device, struct crb_priv *priv) -{ - struct tpm_chip *chip; - - chip = tpmm_chip_alloc(&device->dev, &tpm_crb); - if (IS_ERR(chip)) - return PTR_ERR(chip); - - dev_set_drvdata(&chip->dev, priv); - chip->acpi_dev_handle = device->handle; - chip->flags = TPM_CHIP_FLAG_TPM2; - - return tpm_chip_register(chip); -} - static int crb_check_resource(struct acpi_resource *ares, void *data) { struct resource *io_res = data; @@ -398,6 +383,7 @@ static int crb_acpi_add(struct acpi_device *device) { struct acpi_table_tpm2 *buf; struct crb_priv *priv; + struct tpm_chip *chip; struct device *dev = &device->dev; acpi_status status; u32 sm; @@ -435,11 +421,19 @@ static int crb_acpi_add(struct acpi_device *device) if (rc) return rc; + chip = tpmm_chip_alloc(dev, &tpm_crb); + if (IS_ERR(chip)) + return PTR_ERR(chip); + + dev_set_drvdata(&chip->dev, priv); + chip->acpi_dev_handle = device->handle; + chip->flags = TPM_CHIP_FLAG_TPM2; + rc = crb_cmd_ready(dev, priv); if (rc) return rc; - rc = crb_init(device, priv); + rc = tpm_chip_register(chip); if (rc) crb_go_idle(dev, priv); |