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linux/drivers/char/tpm
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James Bottomley 55707d531a tpm_tis: Add a check for invalid status 
Some TIS based TPMs can return 0xff to status reads if the locality
hasn't been properly requested.  Detect this condition by checking the
bits that the TIS spec specifies must return zero are clear and return
zero in that case.  Also drop a warning so the problem can be
identified in the calling path and fixed (usually a missing
try_get_ops()).

Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
2020-10-02 00:21:03 +03:00
..
eventlog
tpm: Add support for event log pointer found in TPM2 ACPI table
2020-07-24 09:29:21 +03:00
st33zp24
tpm/st33zp24: fix spelling mistake "drescription" -> "description"
2020-07-02 17:49:00 +03:00
Kconfig
tpm: tis: add support for MMIO TPM on SynQuacer
2020-10-02 00:21:02 +03:00
Makefile
tpm: tis: add support for MMIO TPM on SynQuacer
2020-10-02 00:21:02 +03:00
tpm1-cmd.c
tpm: provide a way to override the chip returned durations
2019-11-12 21:45:36 +02:00
tpm2-cmd.c
tpm: Export tpm2_get_cc_attrs_tbl for ibmvtpm driver as module
2020-04-21 00:06:13 +03:00
tpm2-space.c
tpm: Unify the mismatching TPM space buffer sizes
2020-07-24 09:26:23 +03:00
tpm_atmel.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
2019-06-05 17:37:17 +02:00
tpm_atmel.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
2019-06-05 17:37:17 +02:00
tpm_crb.c
tpm_crb: fix fTPM on AMD Zen+ CPUs
2019-11-12 21:45:37 +02:00
tpm_ftpm_tee.c
Enable multi-stage OP-TEE bus enumeration
2020-07-13 15:11:44 +02:00
tpm_ftpm_tee.h
tpm/tpm_ftpm_tee: A driver for firmware TPM running inside TEE
2019-09-02 17:08:35 +03:00
tpm_i2c_atmel.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13
2019-05-21 11:28:45 +02:00
tpm_i2c_infineon.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
2019-06-05 17:37:17 +02:00
tpm_i2c_nuvoton.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13
2019-05-21 11:28:45 +02:00
tpm_ibmvtpm.c
tpm: ibmvtpm: Wait for ready buffer before probing for TPM2 attributes
2020-07-02 17:49:00 +03:00
tpm_ibmvtpm.h
tpm: ibmvtpm: Wait for buffer to be set before proceeding
2020-03-15 20:12:52 +02:00
tpm_infineon.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
2019-06-05 17:37:17 +02:00
tpm_nsc.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
2019-06-05 17:37:17 +02:00
tpm_ppi.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
2019-06-05 17:37:17 +02:00
tpm_tis_core.c
tpm_tis: Add a check for invalid status
2020-10-02 00:21:03 +03:00
tpm_tis_core.h
tpm_tis: Add a check for invalid status
2020-10-02 00:21:03 +03:00
tpm_tis_spi_cr50.c
tpm: tpm_tis_spi_cr50: use new structure for SPI transfer delays
2020-03-13 03:53:16 +02:00
tpm_tis_spi_main.c
tpm_tis_spi: Prefer async probe
2020-07-02 17:49:00 +03:00
tpm_tis_spi.h
tpm: tpm_tis_spi: Support cr50 devices
2019-11-12 21:45:37 +02:00
tpm_tis_synquacer.c
tpm: tis: add support for MMIO TPM on SynQuacer
2020-10-02 00:21:02 +03:00
tpm_tis.c
Revert commit e918e570415c ("tpm_tis: Remove the HID IFX0102")
2020-07-07 04:25:17 +03:00
tpm_vtpm_proxy.c
compat_ioctl: move drivers to compat_ptr_ioctl
2019-10-23 17:23:43 +02:00
tpm-chip.c
tpm: Unify the mismatching TPM space buffer sizes
2020-07-24 09:26:23 +03:00
tpm-dev-common.c
tpm: Fix TIS locality timeout problems
2020-07-02 17:48:59 +03:00
tpm-dev.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
2019-06-05 17:37:17 +02:00
tpm-dev.h
tpm: Handle negative priv->response_len in tpm_common_read()
2020-01-08 18:11:09 +02:00
tpm-interface.c
tpm: fix wrong return value in tpm_pcr_extend
2020-04-21 00:06:13 +03:00
tpm-sysfs.c
tpm: use %*ph to print small buffer
2020-10-02 00:21:03 +03:00
tpm.h
tpm: Unify the mismatching TPM space buffer sizes
2020-07-24 09:26:23 +03:00
tpmrm-dev.c
tpm: Unify the mismatching TPM space buffer sizes
2020-07-24 09:26:23 +03:00
xen-tpmfront.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00