From e918e570415ced9898a51109000a3f39a6e03be5 Mon Sep 17 00:00:00 2001 From: Jarkko Sakkinen Date: Thu, 25 Jun 2020 05:31:11 +0300 Subject: [PATCH] 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: stable@vger.kernel.org Cc: Kylene Jo Hall Reported-by: Ferry Toth: Reviewed-by: Jerry Snitselaar Signed-off-by: Jarkko Sakkinen --- 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 */