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Message-Id: <20200625023111.270458-1-jarkko.sakkinen@linux.intel.com>
Date: Thu, 25 Jun 2020 05:31:11 +0300
From: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To: linux-integrity@...r.kernel.org
Cc: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
Kylene Jo Hall <kjhall@...ibm.com>,
"Ferry Toth :" <ferry.toth@...inga.info>,
Peter Huewe <peterhuewe@....de>,
Jason Gunthorpe <jgg@...pe.ca>, Arnd Bergmann <arnd@...db.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Andrew Morton <akpm@...l.org>,
linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v2] 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: Kylene Jo Hall <kjhall@...ibm.com>
Reported-by: Ferry Toth: <ferry.toth@...inga.info>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
---
v2:
git diff -R HEAD~1 -- drivers/char/tpm/tpm2-space.c | patch -p1
git diff -R HEAD~1 -- include/linux/tpm.h | patch -p1
drivers/char/tpm/tpm_tis.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index e7df342a317d..c58ea10fc92f 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -238,7 +238,6 @@ static int tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
static struct pnp_device_id tpm_pnp_tbl[] = {
{"PNP0C31", 0}, /* TPM */
{"ATM1200", 0}, /* Atmel */
- {"IFX0102", 0}, /* Infineon */
{"BCM0101", 0}, /* Broadcom */
{"BCM0102", 0}, /* Broadcom */
{"NSC1200", 0}, /* National */
--
2.25.1
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