linux-kernel - Re: [PATCH v7 18/21] tpm1: rename tpm1_pcr_read_dev to tpm1_pcr

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Message-ID: <alpine.DEB.2.21.1810232143580.3433@jsakkine-mobl1>
Date:   Tue, 23 Oct 2018 21:44:12 +0300 (EEST)
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Tomas Winkler <tomas.winkler@...el.com>
cc:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Nayna Jain <nayna@...ux.vnet.ibm.com>,
        Alexander Usyskin <alexander.usyskin@...el.com>,
        Tadeusz Struk <tadeusz.struk@...el.com>,
        linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 18/21] tpm1: rename tpm1_pcr_read_dev to
 tpm1_pcr_read()

On Fri, 19 Oct 2018, Tomas Winkler wrote:
> Rename tpm1_pcr_read_dev to tpm1_pcr_read() to match
> the counterpart tpm2_pcr_read().
>
> Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>
> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
> ---
> V4: New in the series
> V5: Resend.
> V6: Resend.
> V7: Fix typo tmp->tpm
>
> drivers/char/tpm/tpm-interface.c | 2 +-
> drivers/char/tpm/tpm-sysfs.c     | 2 +-
> drivers/char/tpm/tpm.h           | 2 +-
> drivers/char/tpm/tpm1-cmd.c      | 4 ++--
> 4 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
> index 8e1d2bc2df82..acd647476ae1 100644
> --- a/drivers/char/tpm/tpm-interface.c
> +++ b/drivers/char/tpm/tpm-interface.c
> @@ -466,7 +466,7 @@ int tpm_pcr_read(struct tpm_chip *chip, int pcr_idx, u8 *res_buf)
> 	if (chip->flags & TPM_CHIP_FLAG_TPM2)
> 		rc = tpm2_pcr_read(chip, pcr_idx, res_buf);
> 	else
> -		rc = tpm1_pcr_read_dev(chip, pcr_idx, res_buf);
> +		rc = tpm1_pcr_read(chip, pcr_idx, res_buf);
>
> 	tpm_put_ops(chip);
> 	return rc;
> diff --git a/drivers/char/tpm/tpm-sysfs.c b/drivers/char/tpm/tpm-sysfs.c
> index 861acafd8f29..96fc7433c57d 100644
> --- a/drivers/char/tpm/tpm-sysfs.c
> +++ b/drivers/char/tpm/tpm-sysfs.c
> @@ -114,7 +114,7 @@ static ssize_t pcrs_show(struct device *dev, struct device_attribute *attr,
>
> 	num_pcrs = be32_to_cpu(cap.num_pcrs);
> 	for (i = 0; i < num_pcrs; i++) {
> -		rc = tpm1_pcr_read_dev(chip, i, digest);
> +		rc = tpm1_pcr_read(chip, i, digest);
> 		if (rc)
> 			break;
> 		str += sprintf(str, "PCR-%02d: ", i);
> diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
> index 51d147675b1f..bf2ef1eeda50 100644
> --- a/drivers/char/tpm/tpm.h
> +++ b/drivers/char/tpm/tpm.h
> @@ -525,7 +525,7 @@ int tpm1_get_timeouts(struct tpm_chip *chip);
> unsigned long tpm1_calc_ordinal_duration(struct tpm_chip *chip, u32 ordinal);
> int tpm1_pcr_extend(struct tpm_chip *chip, int pcr_idx, const u8 *hash,
> 		    const char *log_msg);
> -int tpm1_pcr_read_dev(struct tpm_chip *chip, int pcr_idx, u8 *res_buf);
> +int tpm1_pcr_read(struct tpm_chip *chip, int pcr_idx, u8 *res_buf);
> ssize_t tpm1_getcap(struct tpm_chip *chip, u32 subcap_id, cap_t *cap,
> 		    const char *desc, size_t min_cap_length);
> int tpm1_get_random(struct tpm_chip *chip, u8 *out, size_t max);
> diff --git a/drivers/char/tpm/tpm1-cmd.c b/drivers/char/tpm/tpm1-cmd.c
> index d30f336518f6..05b772477bac 100644
> --- a/drivers/char/tpm/tpm1-cmd.c
> +++ b/drivers/char/tpm/tpm1-cmd.c
> @@ -572,7 +572,7 @@ int tpm1_get_random(struct tpm_chip *chip, u8 *dest, size_t max)
> }
>
> #define TPM_ORD_PCRREAD 21
> -int tpm1_pcr_read_dev(struct tpm_chip *chip, int pcr_idx, u8 *res_buf)
> +int tpm1_pcr_read(struct tpm_chip *chip, int pcr_idx, u8 *res_buf)
> {
> 	struct tpm_buf buf;
> 	int rc;
> @@ -660,7 +660,7 @@ int tpm1_do_selftest(struct tpm_chip *chip)
>
> 	do {
> 		/* Attempt to read a PCR value */
> -		rc = tpm1_pcr_read_dev(chip, 0, dummy);
> +		rc = tpm1_pcr_read(chip, 0, dummy);
>
> 		/* Some buggy TPMs will not respond to tpm_tis_ready() for
> 		 * around 300ms while the self test is ongoing, keep trying
>

Tested-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>

/Jarkko