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path: root/drivers/char/tpm/tpm.c
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Diffstat (limited to 'drivers/char/tpm/tpm.c')
-rw-r--r--drivers/char/tpm/tpm.c65
1 files changed, 30 insertions, 35 deletions
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 328f2a97916..75f949b5317 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -64,7 +64,7 @@ static ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf,
if (count == 0)
return -ENODATA;
if (count > bufsiz) {
- dev_err(&chip->pci_dev->dev,
+ dev_err(chip->dev,
"invalid count value %x %zx \n", count, bufsiz);
return -E2BIG;
}
@@ -72,7 +72,7 @@ static ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf,
down(&chip->tpm_mutex);
if ((rc = chip->vendor->send(chip, (u8 *) buf, count)) < 0) {
- dev_err(&chip->pci_dev->dev,
+ dev_err(chip->dev,
"tpm_transmit: tpm_send: error %zd\n", rc);
goto out;
}
@@ -86,7 +86,7 @@ static ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf,
}
if ((status == chip->vendor->req_canceled)) {
- dev_err(&chip->pci_dev->dev, "Operation Canceled\n");
+ dev_err(chip->dev, "Operation Canceled\n");
rc = -ECANCELED;
goto out;
}
@@ -97,14 +97,14 @@ static ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf,
chip->vendor->cancel(chip);
- dev_err(&chip->pci_dev->dev, "Operation Timed out\n");
+ dev_err(chip->dev, "Operation Timed out\n");
rc = -ETIME;
goto out;
out_recv:
rc = chip->vendor->recv(chip, (u8 *) buf, bufsiz);
if (rc < 0)
- dev_err(&chip->pci_dev->dev,
+ dev_err(chip->dev,
"tpm_transmit: tpm_recv: error %zd\n", rc);
out:
up(&chip->tpm_mutex);
@@ -139,15 +139,14 @@ ssize_t tpm_show_pcrs(struct device *dev, struct device_attribute *attr,
__be32 index;
char *str = buf;
- struct tpm_chip *chip =
- pci_get_drvdata(to_pci_dev(dev));
+ struct tpm_chip *chip = dev_get_drvdata(dev);
if (chip == NULL)
return -ENODEV;
memcpy(data, cap_pcr, sizeof(cap_pcr));
if ((len = tpm_transmit(chip, data, sizeof(data)))
< CAP_PCR_RESULT_SIZE) {
- dev_dbg(&chip->pci_dev->dev, "A TPM error (%d) occurred "
+ dev_dbg(chip->dev, "A TPM error (%d) occurred "
"attempting to determine the number of PCRS\n",
be32_to_cpu(*((__be32 *) (data + 6))));
return 0;
@@ -161,7 +160,7 @@ ssize_t tpm_show_pcrs(struct device *dev, struct device_attribute *attr,
memcpy(data + 10, &index, 4);
if ((len = tpm_transmit(chip, data, sizeof(data)))
< READ_PCR_RESULT_SIZE){
- dev_dbg(&chip->pci_dev->dev, "A TPM error (%d) occurred"
+ dev_dbg(chip->dev, "A TPM error (%d) occurred"
" attempting to read PCR %d of %d\n",
be32_to_cpu(*((__be32 *) (data + 6))), i, num_pcrs);
goto out;
@@ -191,8 +190,7 @@ ssize_t tpm_show_pubek(struct device *dev, struct device_attribute *attr,
int i, rc;
char *str = buf;
- struct tpm_chip *chip =
- pci_get_drvdata(to_pci_dev(dev));
+ struct tpm_chip *chip = dev_get_drvdata(dev);
if (chip == NULL)
return -ENODEV;
@@ -205,7 +203,7 @@ ssize_t tpm_show_pubek(struct device *dev, struct device_attribute *attr,
if ((len = tpm_transmit(chip, data, READ_PUBEK_RESULT_SIZE)) <
READ_PUBEK_RESULT_SIZE) {
- dev_dbg(&chip->pci_dev->dev, "A TPM error (%d) occurred "
+ dev_dbg(chip->dev, "A TPM error (%d) occurred "
"attempting to read the PUBEK\n",
be32_to_cpu(*((__be32 *) (data + 6))));
rc = 0;
@@ -274,8 +272,7 @@ ssize_t tpm_show_caps(struct device *dev, struct device_attribute *attr,
ssize_t len;
char *str = buf;
- struct tpm_chip *chip =
- pci_get_drvdata(to_pci_dev(dev));
+ struct tpm_chip *chip = dev_get_drvdata(dev);
if (chip == NULL)
return -ENODEV;
@@ -339,21 +336,21 @@ int tpm_open(struct inode *inode, struct file *file)
}
if (chip->num_opens) {
- dev_dbg(&chip->pci_dev->dev,
+ dev_dbg(chip->dev,
"Another process owns this TPM\n");
rc = -EBUSY;
goto err_out;
}
chip->num_opens++;
- pci_dev_get(chip->pci_dev);
+ get_device(chip->dev);
spin_unlock(&driver_lock);
chip->data_buffer = kmalloc(TPM_BUFSIZE * sizeof(u8), GFP_KERNEL);
if (chip->data_buffer == NULL) {
chip->num_opens--;
- pci_dev_put(chip->pci_dev);
+ put_device(chip->dev);
return -ENOMEM;
}
@@ -378,7 +375,7 @@ int tpm_release(struct inode *inode, struct file *file)
chip->num_opens--;
del_singleshot_timer_sync(&chip->user_read_timer);
atomic_set(&chip->data_pending, 0);
- pci_dev_put(chip->pci_dev);
+ put_device(chip->dev);
kfree(chip->data_buffer);
spin_unlock(&driver_lock);
return 0;
@@ -447,12 +444,12 @@ ssize_t tpm_read(struct file * file, char __user * buf,
EXPORT_SYMBOL_GPL(tpm_read);
-void __devexit tpm_remove(struct pci_dev *pci_dev)
+void tpm_remove_hardware(struct device *dev)
{
- struct tpm_chip *chip = pci_get_drvdata(pci_dev);
+ struct tpm_chip *chip = dev_get_drvdata(dev);
if (chip == NULL) {
- dev_err(&pci_dev->dev, "No device data found\n");
+ dev_err(dev, "No device data found\n");
return;
}
@@ -462,22 +459,20 @@ void __devexit tpm_remove(struct pci_dev *pci_dev)
spin_unlock(&driver_lock);
- pci_set_drvdata(pci_dev, NULL);
+ dev_set_drvdata(dev, NULL);
misc_deregister(&chip->vendor->miscdev);
kfree(chip->vendor->miscdev.name);
- sysfs_remove_group(&pci_dev->dev.kobj, chip->vendor->attr_group);
-
- pci_disable_device(pci_dev);
+ sysfs_remove_group(&dev->kobj, chip->vendor->attr_group);
dev_mask[chip->dev_num / TPM_NUM_MASK_ENTRIES ] &= !(1 << (chip->dev_num % TPM_NUM_MASK_ENTRIES));
kfree(chip);
- pci_dev_put(pci_dev);
+ put_device(dev);
}
-EXPORT_SYMBOL_GPL(tpm_remove);
+EXPORT_SYMBOL_GPL(tpm_remove_hardware);
static u8 savestate[] = {
0, 193, /* TPM_TAG_RQU_COMMAND */
@@ -524,7 +519,7 @@ EXPORT_SYMBOL_GPL(tpm_pm_resume);
* upon errant exit from this function specific probe function should call
* pci_disable_device
*/
-int tpm_register_hardware(struct pci_dev *pci_dev,
+int tpm_register_hardware(struct device *dev,
struct tpm_vendor_specific *entry)
{
#define DEVNAME_SIZE 7
@@ -563,7 +558,7 @@ int tpm_register_hardware(struct pci_dev *pci_dev,
dev_num_search_complete:
if (chip->dev_num < 0) {
- dev_err(&pci_dev->dev,
+ dev_err(dev,
"No available tpm device numbers\n");
kfree(chip);
return -ENODEV;
@@ -576,15 +571,15 @@ dev_num_search_complete:
scnprintf(devname, DEVNAME_SIZE, "%s%d", "tpm", chip->dev_num);
chip->vendor->miscdev.name = devname;
- chip->vendor->miscdev.dev = &(pci_dev->dev);
- chip->pci_dev = pci_dev_get(pci_dev);
+ chip->vendor->miscdev.dev = dev;
+ chip->dev = get_device(dev);
if (misc_register(&chip->vendor->miscdev)) {
- dev_err(&chip->pci_dev->dev,
+ dev_err(chip->dev,
"unable to misc_register %s, minor %d\n",
chip->vendor->miscdev.name,
chip->vendor->miscdev.minor);
- pci_dev_put(pci_dev);
+ put_device(dev);
kfree(chip);
dev_mask[i] &= !(1 << j);
return -ENODEV;
@@ -592,13 +587,13 @@ dev_num_search_complete:
spin_lock(&driver_lock);
- pci_set_drvdata(pci_dev, chip);
+ dev_set_drvdata(dev, chip);
list_add(&chip->list, &tpm_chip_list);
spin_unlock(&driver_lock);
- sysfs_create_group(&pci_dev->dev.kobj, chip->vendor->attr_group);
+ sysfs_create_group(&dev->kobj, chip->vendor->attr_group);
return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-27 04:49:30 +0000