char/tpm/tpm-chip.c

15  * TPM chip management routines.
26 #include "tpm.h"
32 	.name = "tpm",
98  * tpm_chip_start() - power on the TPM
99  * @chip:	a TPM chip to use
131  * tpm_chip_stop() - power off the TPM
132  * @chip:	a TPM chip to use
199  * tpm_default_chip() - find a TPM chip and get a reference to it
226  * tpm_find_get_ops() - find and reserve a TPM chip
229  * Finds a TPM chip and reserves its class device and operations. The chip must
231  * This function is for internal use only. It supports existing TPM callers
263  * @dev: the character device for the TPM chip
282  * tpm_class_shutdown() - prepare the TPM device for loss of power.
286  * TPM 2.0 spec. Then, calls bus- and device- specific shutdown code.
336 		dev_err(pdev, "No available tpm device numbers\n");  in tpm_chip_alloc()
354 	rc = dev_set_name(&chip->dev, "tpm%d", chip->dev_num);  in tpm_chip_alloc()
488  * parent dev directory to selected names within the tpm chip directory. Old
505 	/* All the names from tpm-sysfs */  in tpm_add_legacy_sysfs()
522 	/* Give back zero bytes, as TPM chip has not yet fully resumed: */  in tpm_hwrng_read()
546 		 "tpm-rng-%d", chip->dev_num);  in tpm_add_hwrng()
570  * tpm_chip_bootstrap() - Boostrap TPM chip after power on
571  * @chip: TPM chip to use.
573  * Initialize TPM chip after power on. This a one-shot function: subsequent
606  * tpm_chip_register() - create a character device for the TPM chip
607  * @chip: TPM chip to use.
609  * Creates a character device for the TPM chip and adds sysfs attributes for
610  * the device. As the last step this function adds the chip to the list of TPM
657  * tpm_chip_unregister() - release the TPM driver
658  * @chip: TPM chip to use.
660  * Takes the chip first away from the list of available TPM chips and then