Re: [PATCH v2] tpm_tis: Use timeouts returned from TPM

From: Jiri Slaby
Date: Sat Feb 26 2011 - 08:49:52 EST

On 02/26/2011 02:48 PM, Stefan Berger wrote:
> On 02/26/2011 06:45 AM, Jiri Slaby wrote:
>> On 02/22/2011 08:41 PM, Stefan Berger wrote:
>>> Below patch applies to the tip of the git tree.
>>> v2:
>>> - adjusting all timeouts for TPM devices reporting too low timeout
>>> numbers
>>> - also displaying in sysfs whether the timeouts are 'original' or
>>> 'adjusted'
>>> The current TPM TIS driver in git discards the timeout values returned
>>> from the TPM. The check of the response packet needs to consider that
>>> the return_code field is 0 on success and the size of the expected
>>> packet is equivalent to the header size + u32 length indicator for the
>>> TPM_GetCapability() result + 3 timeout indicators of type u32.
>>> Since some TPMs seem to return timeouts in msec rather than usec,
>>> I am now adjusting all the timeouts rather than just the one for short
>>> durations.
>>> I am also adding a sysfs entry 'timeouts' showing the timeouts that are
>>> being used.
>> It works:
> 'It' means also 'suspend' works?


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