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authorIngo Molnar <mingo@kernel.org>2015-02-26 12:24:50 +0100
committerIngo Molnar <mingo@kernel.org>2015-02-26 12:24:50 +0100
commite9e4e44309f866b115d08ab4a54834008c50a8a4 (patch)
treeae9f91e682a4d6592ef263f30a4a0b1a862b7987 /drivers/char/tpm/xen-tpmfront.c
parent8a26ce4e544659256349551283414df504889a59 (diff)
parentc517d838eb7d07bbe9507871fab3931deccff539 (diff)
Merge tag 'v4.0-rc1' into perf/core, to refresh the tree
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/char/tpm/xen-tpmfront.c')
-rw-r--r--drivers/char/tpm/xen-tpmfront.c14
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;