]> Git Repo - linux.git/commit
tpm_tis: Remove the HID IFX0102
authorJarkko Sakkinen <[email protected]>
Thu, 25 Jun 2020 02:31:11 +0000 (05:31 +0300)
committerJarkko Sakkinen <[email protected]>
Thu, 2 Jul 2020 14:49:00 +0000 (17:49 +0300)
commite918e570415ced9898a51109000a3f39a6e03be5
treec2a5dcfc4787d5a4a813d4206dcc448c7f0f9b0f
parent7187bf7f6297a8cfc74512a4493e06028626482d
tpm_tis: Remove the HID IFX0102

Acer C720 running Linux v5.3 reports this in klog:

tpm_tis: 1.2 TPM (device-id 0xB, rev-id 16)
tpm tpm0: tpm_try_transmit: send(): error -5
tpm tpm0: A TPM error (-5) occurred attempting to determine the timeouts
tpm_tis tpm_tis: Could not get TPM timeouts and durations
tpm_tis 00:08: 1.2 TPM (device-id 0xB, rev-id 16)
tpm tpm0: tpm_try_transmit: send(): error -5
tpm tpm0: A TPM error (-5) occurred attempting to determine the timeouts
tpm_tis 00:08: Could not get TPM timeouts and durations
ima: No TPM chip found, activating TPM-bypass!
tpm_inf_pnp 00:08: Found TPM with ID IFX0102

% git --no-pager grep IFX0102 drivers/char/tpm
drivers/char/tpm/tpm_infineon.c: {"IFX0102", 0},
drivers/char/tpm/tpm_tis.c: {"IFX0102", 0}, /* Infineon */

Obviously IFX0102 was added to the HID table for the TCG TIS driver by
mistake.

Fixes: 93e1b7d42e1e ("[PATCH] tpm: add HID module parameter")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=203877
Cc: [email protected]
Cc: Kylene Jo Hall <[email protected]>
Reported-by: Ferry Toth: <[email protected]>
Reviewed-by: Jerry Snitselaar <[email protected]>
Signed-off-by: Jarkko Sakkinen <[email protected]>
drivers/char/tpm/tpm_tis.c
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