tpm: Remove useless priv field in struct tpm_vendor_specific
Remove useless priv field in struct tpm_vendor_specific and take benefit
of chip->dev.driver_data. As priv is the latest field available in
struct tpm_vendor_specific, remove any reference to that structure.
Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
diff --git a/drivers/char/tpm/xen-tpmfront.c b/drivers/char/tpm/xen-tpmfront.c
index 1b28f96..62028f4 100644
--- a/drivers/char/tpm/xen-tpmfront.c
+++ b/drivers/char/tpm/xen-tpmfront.c
@@ -41,7 +41,7 @@
static u8 vtpm_status(struct tpm_chip *chip)
{
- struct tpm_private *priv = TPM_VPRIV(chip);
+ struct tpm_private *priv = dev_get_drvdata(&chip->dev);
switch (priv->shr->state) {
case VTPM_STATE_IDLE:
return VTPM_STATUS_IDLE | VTPM_STATUS_CANCELED;
@@ -62,7 +62,7 @@
static void vtpm_cancel(struct tpm_chip *chip)
{
- struct tpm_private *priv = TPM_VPRIV(chip);
+ struct tpm_private *priv = dev_get_drvdata(&chip->dev);
priv->shr->state = VTPM_STATE_CANCEL;
wmb();
notify_remote_via_evtchn(priv->evtchn);
@@ -75,7 +75,7 @@
static int vtpm_send(struct tpm_chip *chip, u8 *buf, size_t count)
{
- struct tpm_private *priv = TPM_VPRIV(chip);
+ struct tpm_private *priv = dev_get_drvdata(&chip->dev);
struct vtpm_shared_page *shr = priv->shr;
unsigned int offset = shr_data_offset(shr);
@@ -117,7 +117,7 @@
static int vtpm_recv(struct tpm_chip *chip, u8 *buf, size_t count)
{
- struct tpm_private *priv = TPM_VPRIV(chip);
+ struct tpm_private *priv = dev_get_drvdata(&chip->dev);
struct vtpm_shared_page *shr = priv->shr;
unsigned int offset = shr_data_offset(shr);
size_t length = shr->length;
@@ -184,7 +184,7 @@
init_waitqueue_head(&priv->read_queue);
priv->chip = chip;
- TPM_VPRIV(chip) = priv;
+ dev_set_drvdata(&chip->dev, priv);
return 0;
}
@@ -320,10 +320,10 @@
static int tpmfront_remove(struct xenbus_device *dev)
{
struct tpm_chip *chip = dev_get_drvdata(&dev->dev);
- struct tpm_private *priv = TPM_VPRIV(chip);
+ struct tpm_private *priv = dev_get_drvdata(&chip->dev);
tpm_chip_unregister(chip);
ring_free(priv);
- TPM_VPRIV(chip) = NULL;
+ dev_set_drvdata(&chip->dev, NULL);
return 0;
}