linux-kernel - Re: [PATCH v2] tpm_tis: Remove the HID IFX0102

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Message-ID: <20200702233823.GH31291@linux.intel.com>
Date:   Fri, 3 Jul 2020 02:38:23 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     linux-integrity@...r.kernel.org,
        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>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] tpm_tis: Remove the HID IFX0102

On Tue, Jun 30, 2020 at 12:15:15PM -0700, Jerry Snitselaar wrote:
> On Fri Jun 26 20, Jarkko Sakkinen wrote:
> > On Thu, Jun 25, 2020 at 02:19:23PM -0700, Jerry Snitselaar wrote:
> > > On Fri Jun 26 20, Jarkko Sakkinen wrote:
> > > > On Wed, Jun 24, 2020 at 11:21:50PM -0700, Jerry Snitselaar wrote:
> > > > > 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 <kjhall@...ibm.com>
> > > > > > Reported-by: Ferry Toth: <ferry.toth@...inga.info>
> > > > > > Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
> > > > >
> > > > > Reviewed-by: Jerry Snitselaar <jsnitsel@...hat.com>
> > > >
> > > > Bugzilla has an example of similar behavior with v4.15. I'll apply this
> > > > asap.
> > > >
> > > > /Jarkko
> > > >
> > > 
> > > Any idea what happened to git.infradead.org? It was offline the other day,
> > > and at the moment not all repos from before seem to be there.
> > 
> > Now the kernel tree is back online.
> > 
> > /Jarkko
> > 
> 
> Hi Jarkko, I still see your linux-tpmdd repository as not being online:
> 
> git remote show tpmdd
> fatal: remote error: access denied or repository not exported: /users/jjs/linux-tpmdd.git
> 
> Regards,
> Jerry

It's now fixed and back online again.

/Jarkko