diff options
Diffstat (limited to 'drivers/char/tpm/tpm_tis.c')
| -rw-r--r-- | drivers/char/tpm/tpm_tis.c | 45 |
1 files changed, 23 insertions, 22 deletions
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index 2cf49b4168a..7fc2f108f49 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -726,6 +726,29 @@ out_err: tpm_remove_hardware(chip->dev); return rc; } + +static void tpm_tis_reenable_interrupts(struct tpm_chip *chip) +{ + u32 intmask; + + /* reenable interrupts that device may have lost or + BIOS/firmware may have disabled */ + iowrite8(chip->vendor.irq, chip->vendor.iobase + + TPM_INT_VECTOR(chip->vendor.locality)); + + intmask = + ioread32(chip->vendor.iobase + + TPM_INT_ENABLE(chip->vendor.locality)); + + intmask |= TPM_INTF_CMD_READY_INT + | TPM_INTF_LOCALITY_CHANGE_INT | TPM_INTF_DATA_AVAIL_INT + | TPM_INTF_STS_VALID_INT | TPM_GLOBAL_INT_ENABLE; + + iowrite32(intmask, + chip->vendor.iobase + TPM_INT_ENABLE(chip->vendor.locality)); +} + + #ifdef CONFIG_PNP static int __devinit tpm_tis_pnp_init(struct pnp_dev *pnp_dev, const struct pnp_device_id *pnp_id) @@ -752,28 +775,6 @@ static int tpm_tis_pnp_suspend(struct pnp_dev *dev, pm_message_t msg) return tpm_pm_suspend(&dev->dev, msg); } -static void tpm_tis_reenable_interrupts(struct tpm_chip *chip) -{ - u32 intmask; - - /* reenable interrupts that device may have lost or - BIOS/firmware may have disabled */ - iowrite8(chip->vendor.irq, chip->vendor.iobase + - TPM_INT_VECTOR(chip->vendor.locality)); - - intmask = - ioread32(chip->vendor.iobase + - TPM_INT_ENABLE(chip->vendor.locality)); - - intmask |= TPM_INTF_CMD_READY_INT - | TPM_INTF_LOCALITY_CHANGE_INT | TPM_INTF_DATA_AVAIL_INT - | TPM_INTF_STS_VALID_INT | TPM_GLOBAL_INT_ENABLE; - - iowrite32(intmask, - chip->vendor.iobase + TPM_INT_ENABLE(chip->vendor.locality)); -} - - static int tpm_tis_pnp_resume(struct pnp_dev *dev) { struct tpm_chip *chip = pnp_get_drvdata(dev); |