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Re: [PATCH] char/tpm: Check return code of wait_for_tpm_stat

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On Tue, Oct 11, 2016 at 03:01:01PM +0300, Jarkko Sakkinen wrote:
> From: Peter Huewe <peterhuewe@gmx.de>
> 
> In some weird cases it might be possible that the TPM does not set
> STS.VALID within the given timeout time (or ever) but sets STS.EXPECT
> (STS=0x0C) In this case the driver gets stuck in the while loop of
> tpm_tis_send_data and loops endlessly.

Doesn't that exchange mean the TPM has lost synchronization with the
driver? Or maybe it crashed executing a command or something..

Please indicate what hardware is broken like this.. Or how did you get
it to do this?

Jason

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[PATCH] char/tpm: Check return code of wait_for_tpm_stat Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2016-10-11 14:10 +0200
  Re: [PATCH] char/tpm: Check return code of wait_for_tpm_stat Jason Gunthorpe <jgunthorpe@obsidianresearch.com> - 2016-10-11 19:20 +0200
    Re: [PATCH] char/tpm: Check return code of wait_for_tpm_stat Peter Huewe <peterhuewe@gmx.de> - 2016-10-11 20:30 +0200
      Re: [PATCH] char/tpm: Check return code of wait_for_tpm_stat Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2016-10-12 14:20 +0200

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