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Re: [PATCH] tpm_tis: use default timeout value if chip reports it as zero

From Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH] tpm_tis: use default timeout value if chip reports it as zero
Date 2017-01-16 15:00 +0100
Message-ID <t0fZf-186-7@gated-at.bofh.it> (permalink)
References <sZhJM-5Ws-15@gated-at.bofh.it> <t0c5j-6Xo-5@gated-at.bofh.it> <t0fPB-14g-27@gated-at.bofh.it>
Organization Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo

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On Mon, Jan 16, 2017 at 03:46:12PM +0200, Jarkko Sakkinen wrote:
> On Mon, Jan 16, 2017 at 11:42:02AM +0200, Jarkko Sakkinen wrote:
> > On Fri, Jan 13, 2017 at 10:37:00PM +0100, Maciej S. Szmigiero wrote:
> > > Since commit 1107d065fdf1 ("tpm_tis: Introduce intermediate layer for TPM
> > > access") Atmel 3203 TPM on ThinkPad X61S (TPM firmware version 13.9) no
> > > longer works.
> > > The initialization proceeds fine until we get and start using chip-reported
> > > timeouts - and the chip reports C and D timeouts of zero.
> > > 
> > > It turns out that until commit 8e54caf407b98e ("tpm: Provide a generic
> > > means to override the chip returned timeouts") we had actually let default
> > > timeout values remain in this case, so let's bring back this behavior to
> > > make chips like Atmel 3203 work again.
> > > 
> > > Use a common code that was introduced by that commit so a warning is
> > > printed in this case and /sys/class/tpm/tpm*/timeouts correctly says the
> > > timeouts aren't chip-original.
> > > 
> > > Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
> > > 
> > > Fixes: 1107d065fdf1 ("tpm_tis: Introduce intermediate layer for TPM access")
> > > Cc: stable@vger.kernel.org
> > 
> > Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
> 
> It's now applied to my master branch so if someone wants to
> test it, it should be fairly easy.
> 
> /Jarkko

And I decided to squash the rename commit to it.

/Jarkko

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Thread

[PATCH] tpm_tis: use default timeout value if chip reports it as zero "Maciej S. Szmigiero" <mail@maciej.szmigiero.name> - 2017-01-13 22:40 +0100
  Re: [PATCH] tpm_tis: use default timeout value if chip reports it as  zero Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-01-16 10:50 +0100
    Re: [PATCH] tpm_tis: use default timeout value if chip reports it as  zero Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-01-16 14:50 +0100
      Re: [PATCH] tpm_tis: use default timeout value if chip reports it as  zero Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-01-16 15:00 +0100
        Re: [PATCH] tpm_tis: use default timeout value if chip reports it as  zero "Maciej S. Szmigiero" <mail@maciej.szmigiero.name> - 2017-01-16 16:00 +0100
          Re: [PATCH] tpm_tis: use default timeout value if chip reports it as  zero Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-01-16 17:50 +0100
            Re: [PATCH] tpm_tis: use default timeout value if chip reports it as  zero "Maciej S. Szmigiero" <mail@maciej.szmigiero.name> - 2017-01-23 18:30 +0100
              Re: [PATCH] tpm_tis: use default timeout value if chip reports it as  zero Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-01-24 13:10 +0100
                Re: [PATCH] tpm_tis: use default timeout value if chip reports it as  zero "Maciej S. Szmigiero" <mail@maciej.szmigiero.name> - 2017-01-24 14:50 +0100
                Re: [PATCH] tpm_tis: use default timeout value if chip reports it as  zero Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-01-25 21:10 +0100
                Re: [PATCH] tpm_tis: use default timeout value if chip reports it as  zero "Maciej S. Szmigiero" <mail@maciej.szmigiero.name> - 2017-01-25 22:30 +0100
                Re: [PATCH] tpm_tis: use default timeout value if chip reports it as  zero Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-01-26 00:00 +0100
                Re: [PATCH] tpm_tis: use default timeout value if chip reports it as  zero "Maciej S. Szmigiero" <mail@maciej.szmigiero.name> - 2017-01-26 00:30 +0100

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