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Merge branch 'for-current' of https://github.com/PeterHuewe/linux-tpmdd
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… into for-linus
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James Morris committed Mar 9, 2015
2 parents 9eccca0 + 19913b6 commit 4d08a36
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Showing 3 changed files with 22 additions and 28 deletions.
34 changes: 14 additions & 20 deletions drivers/char/tpm/tpm-chip.c
Original file line number Diff line number Diff line change
Expand Up @@ -140,24 +140,24 @@ static int tpm_dev_add_device(struct tpm_chip *chip)
{
int rc;

rc = device_add(&chip->dev);
rc = cdev_add(&chip->cdev, chip->dev.devt, 1);
if (rc) {
dev_err(&chip->dev,
"unable to device_register() %s, major %d, minor %d, err=%d\n",
"unable to cdev_add() %s, major %d, minor %d, err=%d\n",
chip->devname, MAJOR(chip->dev.devt),
MINOR(chip->dev.devt), rc);

device_unregister(&chip->dev);
return rc;
}

rc = cdev_add(&chip->cdev, chip->dev.devt, 1);
rc = device_add(&chip->dev);
if (rc) {
dev_err(&chip->dev,
"unable to cdev_add() %s, major %d, minor %d, err=%d\n",
"unable to device_register() %s, major %d, minor %d, err=%d\n",
chip->devname, MAJOR(chip->dev.devt),
MINOR(chip->dev.devt), rc);

device_unregister(&chip->dev);
return rc;
}

Expand All @@ -174,27 +174,17 @@ static void tpm_dev_del_device(struct tpm_chip *chip)
* tpm_chip_register() - create a character device for the TPM chip
* @chip: TPM chip to use.
*
* Creates a character device for the TPM chip and adds sysfs interfaces for
* the device, PPI and TCPA. As the last step this function adds the
* chip to the list of TPM chips available for use.
* Creates a character device for the TPM chip and adds sysfs attributes for
* the device. As the last step this function adds the chip to the list of TPM
* chips available for in-kernel use.
*
* NOTE: This function should be only called after the chip initialization
* is complete.
*
* Called from tpm_<specific>.c probe function only for devices
* the driver has determined it should claim. Prior to calling
* this function the specific probe function has called pci_enable_device
* upon errant exit from this function specific probe function should call
* pci_disable_device
* This function should be only called after the chip initialization is
* complete.
*/
int tpm_chip_register(struct tpm_chip *chip)
{
int rc;

rc = tpm_dev_add_device(chip);
if (rc)
return rc;

/* Populate sysfs for TPM1 devices. */
if (!(chip->flags & TPM_CHIP_FLAG_TPM2)) {
rc = tpm_sysfs_add_device(chip);
Expand All @@ -208,6 +198,10 @@ int tpm_chip_register(struct tpm_chip *chip)
chip->bios_dir = tpm_bios_log_setup(chip->devname);
}

rc = tpm_dev_add_device(chip);
if (rc)
return rc;

/* Make the chip available. */
spin_lock(&driver_lock);
list_add_rcu(&chip->list, &tpm_chip_list);
Expand Down
10 changes: 5 additions & 5 deletions drivers/char/tpm/tpm_ibmvtpm.c
Original file line number Diff line number Diff line change
Expand Up @@ -124,7 +124,7 @@ static int tpm_ibmvtpm_send(struct tpm_chip *chip, u8 *buf, size_t count)
{
struct ibmvtpm_dev *ibmvtpm;
struct ibmvtpm_crq crq;
u64 *word = (u64 *) &crq;
__be64 *word = (__be64 *)&crq;
int rc;

ibmvtpm = (struct ibmvtpm_dev *)TPM_VPRIV(chip);
Expand All @@ -145,11 +145,11 @@ static int tpm_ibmvtpm_send(struct tpm_chip *chip, u8 *buf, size_t count)
memcpy((void *)ibmvtpm->rtce_buf, (void *)buf, count);
crq.valid = (u8)IBMVTPM_VALID_CMD;
crq.msg = (u8)VTPM_TPM_COMMAND;
crq.len = (u16)count;
crq.data = ibmvtpm->rtce_dma_handle;
crq.len = cpu_to_be16(count);
crq.data = cpu_to_be32(ibmvtpm->rtce_dma_handle);

rc = ibmvtpm_send_crq(ibmvtpm->vdev, cpu_to_be64(word[0]),
cpu_to_be64(word[1]));
rc = ibmvtpm_send_crq(ibmvtpm->vdev, be64_to_cpu(word[0]),
be64_to_cpu(word[1]));
if (rc != H_SUCCESS) {
dev_err(ibmvtpm->dev, "tpm_ibmvtpm_send failed rc=%d\n", rc);
rc = 0;
Expand Down
6 changes: 3 additions & 3 deletions drivers/char/tpm/tpm_ibmvtpm.h
Original file line number Diff line number Diff line change
Expand Up @@ -22,9 +22,9 @@
struct ibmvtpm_crq {
u8 valid;
u8 msg;
u16 len;
u32 data;
u64 reserved;
__be16 len;
__be32 data;
__be64 reserved;
} __attribute__((packed, aligned(8)));

struct ibmvtpm_crq_queue {
Expand Down

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