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[70.163.223.149]) by smtp.gmail.com with ESMTPSA id y16sm5202042qkb.116.2020.06.24.23.21.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Jun 2020 23:21:51 -0700 (PDT) Date: Wed, 24 Jun 2020 23:21:50 -0700 From: Jerry Snitselaar To: Jarkko Sakkinen Cc: linux-integrity@vger.kernel.org, Kylene Jo Hall , "Ferry Toth :" , Peter Huewe , Jason Gunthorpe , Arnd Bergmann , Greg Kroah-Hartman , Andrew Morton , open list Subject: Re: [PATCH v2] tpm_tis: Remove the HID IFX0102 Message-ID: <20200625062150.idm6j3vm2neyt4sh@cantor> Reply-To: Jerry Snitselaar Mail-Followup-To: Jarkko Sakkinen , linux-integrity@vger.kernel.org, Kylene Jo Hall , "Ferry Toth :" , Peter Huewe , Jason Gunthorpe , Arnd Bergmann , Greg Kroah-Hartman , Andrew Morton , open list References: <20200625023111.270458-1-jarkko.sakkinen@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Disposition: inline In-Reply-To: <20200625023111.270458-1-jarkko.sakkinen@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu Jun 25 20, Jarkko Sakkinen wrote: >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: Kylene Jo Hall >Reported-by: Ferry Toth: >Signed-off-by: Jarkko Sakkinen Reviewed-by: Jerry Snitselaar