diff options
Diffstat (limited to 'drivers/char/tpm/tpm_infineon.c')
| -rw-r--r-- | drivers/char/tpm/tpm_infineon.c | 47 |
1 files changed, 10 insertions, 37 deletions
diff --git a/drivers/char/tpm/tpm_infineon.c b/drivers/char/tpm/tpm_infineon.c index 6d492132ad2b..6c488e635fdd 100644 --- a/drivers/char/tpm/tpm_infineon.c +++ b/drivers/char/tpm/tpm_infineon.c @@ -591,27 +591,8 @@ static void tpm_inf_pnp_remove(struct pnp_dev *dev) } } -static int tpm_inf_pnp_suspend(struct pnp_dev *dev, pm_message_t pm_state) -{ - struct tpm_chip *chip = pnp_get_drvdata(dev); - int rc; - if (chip) { - u8 savestate[] = { - 0, 193, /* TPM_TAG_RQU_COMMAND */ - 0, 0, 0, 10, /* blob length (in bytes) */ - 0, 0, 0, 152 /* TPM_ORD_SaveState */ - }; - dev_info(&dev->dev, "saving TPM state\n"); - rc = tpm_inf_send(chip, savestate, sizeof(savestate)); - if (rc < 0) { - dev_err(&dev->dev, "error while saving TPM state\n"); - return rc; - } - } - return 0; -} - -static int tpm_inf_pnp_resume(struct pnp_dev *dev) +#ifdef CONFIG_PM_SLEEP +static int tpm_inf_resume(struct device *dev) { /* Re-configure TPM after suspending */ tpm_config_out(ENABLE_REGISTER_PAIR, TPM_INF_ADDR); @@ -625,30 +606,22 @@ static int tpm_inf_pnp_resume(struct pnp_dev *dev) tpm_config_out(DISABLE_REGISTER_PAIR, TPM_INF_ADDR); /* disable RESET, LP and IRQC */ tpm_data_out(RESET_LP_IRQC_DISABLE, CMD); - return tpm_pm_resume(&dev->dev); + return tpm_pm_resume(dev); } +#endif +static SIMPLE_DEV_PM_OPS(tpm_inf_pm, tpm_pm_suspend, tpm_inf_resume); static struct pnp_driver tpm_inf_pnp_driver = { .name = "tpm_inf_pnp", .id_table = tpm_inf_pnp_tbl, .probe = tpm_inf_pnp_probe, - .suspend = tpm_inf_pnp_suspend, - .resume = tpm_inf_pnp_resume, - .remove = tpm_inf_pnp_remove + .remove = tpm_inf_pnp_remove, + .driver = { + .pm = &tpm_inf_pm, + } }; -static int __init init_inf(void) -{ - return pnp_register_driver(&tpm_inf_pnp_driver); -} - -static void __exit cleanup_inf(void) -{ - pnp_unregister_driver(&tpm_inf_pnp_driver); -} - -module_init(init_inf); -module_exit(cleanup_inf); +module_pnp_driver(tpm_inf_pnp_driver); MODULE_AUTHOR("Marcel Selhorst <tpmdd@sirrix.com>"); MODULE_DESCRIPTION("Driver for Infineon TPM SLD 9630 TT 1.1 / SLB 9635 TT 1.2"); |