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| author | David S. Miller <davem@davemloft.net> | 2009-12-05 15:22:26 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-12-05 15:22:26 -0800 |
| commit | 28b4d5cc17c20786848cdc07b7ea237a309776bb (patch) | |
| tree | bae406a4b17229dcce7c11be5073f7a67665e477 /drivers/char/tpm/tpm_tis.c | |
| parent | d29cecda036f251aee4947f47eea0fe9ed8cc931 (diff) | |
| parent | 96fa2b508d2d3fe040cf4ef2fffb955f0a537ea1 (diff) | |
| download | op-kernel-dev-28b4d5cc17c20786848cdc07b7ea237a309776bb.zip op-kernel-dev-28b4d5cc17c20786848cdc07b7ea237a309776bb.tar.gz | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
drivers/net/pcmcia/fmvj18x_cs.c
drivers/net/pcmcia/nmclan_cs.c
drivers/net/pcmcia/xirc2ps_cs.c
drivers/net/wireless/ray_cs.c
Diffstat (limited to 'drivers/char/tpm/tpm_tis.c')
| -rw-r--r-- | drivers/char/tpm/tpm_tis.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index 0b73e4e..2405f17 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -257,6 +257,10 @@ out: return size; } +static int itpm; +module_param(itpm, bool, 0444); +MODULE_PARM_DESC(itpm, "Force iTPM workarounds (found on some Lenovo laptops)"); + /* * If interrupts are used (signaled by an irq set in the vendor structure) * tpm.c can skip polling for the data to be available as the interrupt is @@ -293,7 +297,7 @@ static int tpm_tis_send(struct tpm_chip *chip, u8 *buf, size_t len) wait_for_stat(chip, TPM_STS_VALID, chip->vendor.timeout_c, &chip->vendor.int_queue); status = tpm_tis_status(chip); - if ((status & TPM_STS_DATA_EXPECT) == 0) { + if (!itpm && (status & TPM_STS_DATA_EXPECT) == 0) { rc = -EIO; goto out_err; } @@ -467,6 +471,10 @@ static int tpm_tis_init(struct device *dev, resource_size_t start, "1.2 TPM (device-id 0x%X, rev-id %d)\n", vendor >> 16, ioread8(chip->vendor.iobase + TPM_RID(0))); + if (itpm) + dev_info(dev, "Intel iTPM workaround enabled\n"); + + /* Figure out the capabilities */ intfcaps = ioread32(chip->vendor.iobase + @@ -629,6 +637,7 @@ static struct pnp_device_id tpm_pnp_tbl[] __devinitdata = { {"", 0}, /* User Specified */ {"", 0} /* Terminator */ }; +MODULE_DEVICE_TABLE(pnp, tpm_pnp_tbl); static __devexit void tpm_tis_pnp_remove(struct pnp_dev *dev) { |
