diff options
| author | John W. Linville <linville@tuxdriver.com> | 2012-02-15 16:24:37 -0500 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-02-15 16:24:37 -0500 |
| commit | ca994a36f585432458ead9133fcfe05440edbb7b (patch) | |
| tree | be05512153a9cd5cbe1f1234bc09fd9cd388ec58 /drivers/char/tpm | |
| parent | 12325280dfeba18164f9c47e226a40ab34e23ee7 (diff) | |
| parent | 2504a6423b9ab4c36df78227055995644de19edb (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Conflicts:
net/mac80211/debugfs_sta.c
net/mac80211/sta_info.h
Diffstat (limited to 'drivers/char/tpm')
| -rw-r--r-- | drivers/char/tpm/tpm.c | 9 | ||||
| -rw-r--r-- | drivers/char/tpm/tpm.h | 3 | ||||
| -rw-r--r-- | drivers/char/tpm/tpm_tis.c | 6 |
3 files changed, 15 insertions, 3 deletions
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index 6a8771f47a55..32362cf35b8d 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -846,6 +846,15 @@ int tpm_do_selftest(struct tpm_chip *chip) do { rc = __tpm_pcr_read(chip, 0, digest); + if (rc == TPM_ERR_DISABLED || rc == TPM_ERR_DEACTIVATED) { + dev_info(chip->dev, + "TPM is disabled/deactivated (0x%X)\n", rc); + /* TPM is disabled and/or deactivated; driver can + * proceed and TPM does handle commands for + * suspend/resume correctly + */ + return 0; + } if (rc != TPM_WARN_DOING_SELFTEST) return rc; msleep(delay_msec); diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index 8c1df302fbb6..010547138281 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -39,6 +39,9 @@ enum tpm_addr { }; #define TPM_WARN_DOING_SELFTEST 0x802 +#define TPM_ERR_DEACTIVATED 0x6 +#define TPM_ERR_DISABLED 0x7 + #define TPM_HEADER_SIZE 10 extern ssize_t tpm_show_pubek(struct device *, struct device_attribute *attr, char *); diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index 10cc44ceb5d1..a1748621111b 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -255,7 +255,7 @@ out: return size; } -static int itpm; +static bool itpm; module_param(itpm, bool, 0444); MODULE_PARM_DESC(itpm, "Force iTPM workarounds (found on some Lenovo laptops)"); @@ -500,7 +500,7 @@ static irqreturn_t tis_int_handler(int dummy, void *dev_id) return IRQ_HANDLED; } -static int interrupts = 1; +static bool interrupts = 1; module_param(interrupts, bool, 0444); MODULE_PARM_DESC(interrupts, "Enable interrupts"); @@ -828,7 +828,7 @@ static struct platform_driver tis_drv = { static struct platform_device *pdev; -static int force; +static bool force; module_param(force, bool, 0444); MODULE_PARM_DESC(force, "Force device probe rather than using ACPI entry"); static int __init init_tis(void) |