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linux/drivers/char/tpm
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Mario Limonciello cacc6e2293 tpm: Add a helper for checking hwrng enabled 
The same checks are repeated in three places to decide whether to use
hwrng.  Consolidate these into a helper.

Also this fixes a case that one of them was missing a check in the
cleanup path.

Fixes: 554b841d47 ("tpm: Disable RNG for all AMD fTPMs")
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-08-09 10:05:15 -07:00
..
eventlog tpm: remove unnecessary (void*) conversions 2023-04-24 16:15:52 +03:00
st33zp24 tpm: Switch i2c drivers back to use .probe() 2023-07-28 18:12:40 +00:00
Kconfig tpm: Add tpm_tis_i2c backend for tpm_tis_core 2022-08-03 23:56:20 +03:00
Makefile tpm: Add tpm_tis_i2c backend for tpm_tis_core 2022-08-03 23:56:20 +03:00
tpm1-cmd.c tpm: Add upgrade/reduced mode support for TPM1.2 modules 2022-08-03 23:56:19 +03:00
tpm2-cmd.c tpm: add vendor flag to command code validation 2023-02-13 10:11:20 +02:00
tpm2-space.c tpm: use try_get_ops() in tpm-space.c 2022-03-10 01:47:25 +02:00
tpm_atmel.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
tpm_atmel.h tpm: atmel: Add explicit include for of.h 2023-04-06 20:36:27 +02:00
tpm_crb.c tpm: Disable RNG for all AMD fTPMs 2023-08-07 17:55:54 +00:00
tpm_ftpm_tee.c tpm/tpm_ftpm_tee: Convert to platform remove callback returning void 2023-04-24 16:15:53 +03:00
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 tpm: Switch i2c drivers back to use .probe() 2023-07-28 18:12:40 +00:00
tpm_i2c_infineon.c tpm: Switch i2c drivers back to use .probe() 2023-07-28 18:12:40 +00:00
tpm_i2c_nuvoton.c tpm: Switch i2c drivers back to use .probe() 2023-07-28 18:12:40 +00:00
tpm_ibmvtpm.c tpm: ibmvtpm: Correct the return value in tpm_ibmvtpm_probe() 2022-05-23 18:47:49 +03:00
tpm_ibmvtpm.h tpm: ibmvtpm: Avoid error message when process gets signal while waiting 2021-08-23 19:55:42 +03:00
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 char: move from strlcpy with unused retval to strscpy 2022-10-05 00:25:56 +03:00
tpm_tis_core.c tpm_tis: Explicitly check for error code 2023-07-28 18:13:39 +00:00
tpm_tis_core.h tpm,tpm_tis: Disable interrupts after 1000 unhandled IRQs 2023-07-17 19:40:27 +00:00
tpm_tis_i2c_cr50.c tpm: Switch i2c drivers back to use .probe() 2023-07-28 18:12:40 +00:00
tpm_tis_i2c.c tpm: Switch i2c drivers back to use .probe() 2023-07-28 18:12:40 +00:00
tpm_tis_spi_cr50.c tpm: Remove read16/read32/write32 calls from tpm_tis_phy_ops 2022-05-23 18:47:49 +03:00
tpm_tis_spi_main.c tpm_tis_spi: Release chip select when flow control fails 2023-07-17 19:32:30 +00:00
tpm_tis_spi.h tpm: Remove read16/read32/write32 calls from tpm_tis_phy_ops 2022-05-23 18:47:49 +03:00
tpm_tis_synquacer.c tpm/tpm_tis_synquacer: Convert to platform remove callback returning void 2023-04-24 16:15:53 +03:00
tpm_tis.c tpm/tpm_tis: Disable interrupts for Lenovo P620 devices 2023-08-07 18:01:01 +00:00
tpm_vtpm_proxy.c tpm: tpm_vtpm_proxy: fix a race condition in /dev/vtpmx creation 2023-07-17 19:32:30 +00:00
tpm-chip.c tpm: Add a helper for checking hwrng enabled 2023-08-09 10:05:15 -07:00
tpm-dev-common.c timers: Get rid of del_singleshot_timer_sync() 2022-11-24 15:09:10 +01:00
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: Prevent hwrng from activating during resume 2023-05-16 02:43:12 +03:00
tpm-sysfs.c tpm: Add Upgrade/Reduced mode support for TPM2 modules 2022-01-09 00:18:47 +02:00
tpm.h This PR fixes a critical bug in my first pull request. I fixed the 2023-05-01 10:37:37 -07:00
tpmrm-dev.c tpm: Unify the mismatching TPM space buffer sizes 2020-07-24 09:26:23 +03:00
xen-tpmfront.c xen: make remove callback of xen driver void returned 2022-12-15 16:06:10 +01:00