On Fri, 2010-06-04 at 11:55 -0300, Rajiv Andrade wrote: > What's happening here is that this TPM seems to not be setting a proper > status flag after a command is sent to it, so the device driver keeps > waiting for such status flag to be set and then timeouts the attempt. > > The TPM has three timeout values, and the longest one is by default > 2min, given the TPM can take a good amount of time to perform asymmetric > operations. If the command being sent to the TPM isn't recognized by the > device driver, it assumes the timeout should be the maximum. [...] Blocking for up to 2 minutes in a probe function is totally unacceptable, let alone the current 6 minutes. If you really think the time-out needs to be that high, then this initialisation should be moved to a work item that is scheduled by the probe function. Ben. -- Ben Hutchings Once a job is fouled up, anything done to improve it makes it worse.
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