This is a note to let you know that I've just added the patch titled tpm_tis: Remove the HID IFX0102 to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: tpm_tis-remove-the-hid-ifx0102.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From e918e570415ced9898a51109000a3f39a6e03be5 Mon Sep 17 00:00:00 2001 From: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx> Date: Thu, 25 Jun 2020 05:31:11 +0300 Subject: tpm_tis: Remove the HID IFX0102 From: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx> commit e918e570415ced9898a51109000a3f39a6e03be5 upstream. 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@xxxxxxxxxxxxxxx Cc: Kylene Jo Hall <kjhall@xxxxxxxxxx> Reported-by: Ferry Toth: <ferry.toth@xxxxxxxxxxxx> Reviewed-by: Jerry Snitselaar <jsnitsel@xxxxxxxxxx> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/char/tpm/tpm_tis.c | 1 - 1 file changed, 1 deletion(-) --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -241,7 +241,6 @@ static int tpm_tis_pnp_init(struct pnp_d 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 */ Patches currently in stable-queue which might be from jarkko.sakkinen@xxxxxxxxxxxxxxx are queue-4.14/tpm_tis-remove-the-hid-ifx0102.patch