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authorKent Yoder <key@linux.vnet.ibm.com>2012-12-05 11:36:20 -0600
committerKent Yoder <key@linux.vnet.ibm.com>2013-02-05 09:38:23 -0600
commit775585e47cd6b5eddf814d53b117b56a1a171553 (patch)
tree5b874d4d54ebfef37714ac0687662c6c4177fbe1 /drivers/char
parent251a7b08213af82e40e4a70cac056e245853c410 (diff)
downloadop-kernel-dev-775585e47cd6b5eddf814d53b117b56a1a171553.zip
op-kernel-dev-775585e47cd6b5eddf814d53b117b56a1a171553.tar.gz
tpm: rename vendor data to priv and provide an accessor
"data" was too generic a name for what's being used as a generic private pointer by vendor-specific code. Rename it to "priv" and provide a #define for users. Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/tpm/tpm.h4
-rw-r--r--drivers/char/tpm/tpm_ibmvtpm.c8
2 files changed, 7 insertions, 5 deletions
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 04b4547..cbee631 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -101,12 +101,14 @@ struct tpm_vendor_specific {
bool timeout_adjusted;
unsigned long duration[3]; /* jiffies */
bool duration_adjusted;
- void *data;
+ void *priv;
wait_queue_head_t read_queue;
wait_queue_head_t int_queue;
};
+#define TPM_VPRIV(c) (c)->vendor.priv
+
#define TPM_VID_INTEL 0x8086
struct tpm_chip {
diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c
index 9978609..6cd99bc 100644
--- a/drivers/char/tpm/tpm_ibmvtpm.c
+++ b/drivers/char/tpm/tpm_ibmvtpm.c
@@ -64,7 +64,7 @@ static struct ibmvtpm_dev *ibmvtpm_get_data(const struct device *dev)
{
struct tpm_chip *chip = dev_get_drvdata(dev);
if (chip)
- return (struct ibmvtpm_dev *)chip->vendor.data;
+ return (struct ibmvtpm_dev *)TPM_VPRIV(chip);
return NULL;
}
@@ -83,7 +83,7 @@ static int tpm_ibmvtpm_recv(struct tpm_chip *chip, u8 *buf, size_t count)
u16 len;
int sig;
- ibmvtpm = (struct ibmvtpm_dev *)chip->vendor.data;
+ ibmvtpm = (struct ibmvtpm_dev *)TPM_VPRIV(chip);
if (!ibmvtpm->rtce_buf) {
dev_err(ibmvtpm->dev, "ibmvtpm device is not ready\n");
@@ -127,7 +127,7 @@ static int tpm_ibmvtpm_send(struct tpm_chip *chip, u8 *buf, size_t count)
u64 *word = (u64 *) &crq;
int rc;
- ibmvtpm = (struct ibmvtpm_dev *)chip->vendor.data;
+ ibmvtpm = (struct ibmvtpm_dev *)TPM_VPRIV(chip);
if (!ibmvtpm->rtce_buf) {
dev_err(ibmvtpm->dev, "ibmvtpm device is not ready\n");
@@ -647,7 +647,7 @@ static int tpm_ibmvtpm_probe(struct vio_dev *vio_dev,
ibmvtpm->dev = dev;
ibmvtpm->vdev = vio_dev;
- chip->vendor.data = (void *)ibmvtpm;
+ TPM_VPRIV(chip) = (void *)ibmvtpm;
spin_lock_init(&ibmvtpm->rtce_lock);
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