diff options
Diffstat (limited to 'drivers/char/tpm/xen-tpmfront.c')
| -rw-r--r-- | drivers/char/tpm/xen-tpmfront.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/char/tpm/xen-tpmfront.c b/drivers/char/tpm/xen-tpmfront.c index 441b44e54226..c3b4f5a5ac10 100644 --- a/drivers/char/tpm/xen-tpmfront.c +++ b/drivers/char/tpm/xen-tpmfront.c @@ -175,9 +175,9 @@ static int setup_chip(struct device *dev, struct tpm_private *priv) { struct tpm_chip *chip; - chip = tpm_register_hardware(dev, &tpm_vtpm); - if (!chip) - return -ENODEV; + chip = tpmm_chip_alloc(dev, &tpm_vtpm); + if (IS_ERR(chip)) + return PTR_ERR(chip); init_waitqueue_head(&chip->vendor.read_queue); @@ -286,6 +286,7 @@ static int tpmfront_probe(struct xenbus_device *dev, const struct xenbus_device_id *id) { struct tpm_private *priv; + struct tpm_chip *chip; int rv; priv = kzalloc(sizeof(*priv), GFP_KERNEL); @@ -302,21 +303,22 @@ static int tpmfront_probe(struct xenbus_device *dev, rv = setup_ring(dev, priv); if (rv) { - tpm_remove_hardware(&dev->dev); + chip = dev_get_drvdata(&dev->dev); + tpm_chip_unregister(chip); ring_free(priv); return rv; } tpm_get_timeouts(priv->chip); - return rv; + return tpm_chip_register(priv->chip); } static int tpmfront_remove(struct xenbus_device *dev) { struct tpm_chip *chip = dev_get_drvdata(&dev->dev); struct tpm_private *priv = TPM_VPRIV(chip); - tpm_remove_hardware(&dev->dev); + tpm_chip_unregister(chip); ring_free(priv); TPM_VPRIV(chip) = NULL; return 0; |