int tpm_pm_suspend(struct pci_dev *pci_dev, u32 pm_state)
int tpm_pm_suspend(struct pci_dev *pci_dev, pm_message_t pm_state)
int tpm_pm_suspend(struct pci_dev *pci_dev, u32 pm_state){	struct tpm_chip *chip = pci_get_drvdata(pci_dev);	if (chip == NULL)		return -ENODEV;	tpm_transmit(chip, savestate, sizeof(savestate));	return 0;}