diff options
Diffstat (limited to 'drivers/char/tpm/tpm_nsc.c')
| -rw-r--r-- | drivers/char/tpm/tpm_nsc.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/char/tpm/tpm_nsc.c b/drivers/char/tpm/tpm_nsc.c index 3dbbe9686c76..4c8bc06c7d95 100644 --- a/drivers/char/tpm/tpm_nsc.c +++ b/drivers/char/tpm/tpm_nsc.c @@ -250,7 +250,7 @@ static struct attribute * nsc_attrs[] = { static struct attribute_group nsc_attr_grp = { .attrs = nsc_attrs }; -static struct tpm_vendor_specific tpm_nsc = { +static const struct tpm_vendor_specific tpm_nsc = { .recv = tpm_nsc_recv, .send = tpm_nsc_send, .cancel = tpm_nsc_cancel, @@ -286,7 +286,8 @@ static int __init init_nsc(void) int rc = 0; int lo, hi; int nscAddrBase = TPM_ADDR; - + struct tpm_chip *chip; + unsigned long base; /* verify that it is a National part (SID) */ if (tpm_read_index(TPM_ADDR, NSC_SID_INDEX) != 0xEF) { @@ -300,7 +301,7 @@ static int __init init_nsc(void) hi = tpm_read_index(nscAddrBase, TPM_NSC_BASE0_HI); lo = tpm_read_index(nscAddrBase, TPM_NSC_BASE0_LO); - tpm_nsc.base = (hi<<8) | lo; + base = (hi<<8) | lo; /* enable the DPM module */ tpm_write_index(nscAddrBase, NSC_LDC_INDEX, 0x01); @@ -320,13 +321,15 @@ static int __init init_nsc(void) if ((rc = platform_device_register(pdev)) < 0) goto err_free_dev; - if (request_region(tpm_nsc.base, 2, "tpm_nsc0") == NULL ) { + if (request_region(base, 2, "tpm_nsc0") == NULL ) { rc = -EBUSY; goto err_unreg_dev; } - if ((rc = tpm_register_hardware(&pdev->dev, &tpm_nsc)) < 0) + if (!(chip = tpm_register_hardware(&pdev->dev, &tpm_nsc))) { + rc = -ENODEV; goto err_rel_reg; + } dev_dbg(&pdev->dev, "NSC TPM detected\n"); dev_dbg(&pdev->dev, @@ -361,10 +364,12 @@ static int __init init_nsc(void) "NSC TPM revision %d\n", tpm_read_index(nscAddrBase, 0x27) & 0x1F); + chip->vendor.base = base; + return 0; err_rel_reg: - release_region(tpm_nsc.base, 2); + release_region(base, 2); err_unreg_dev: platform_device_unregister(pdev); err_free_dev: |