Re: [PATCH 2/4] tmp/tpm_crb: fix Intel PTT hw bug during idle state

[Jarkko Sakkinen]

On Sat, Oct 08, 2016 at 10:42:03AM -0600, Jason Gunthorpe wrote:
> On Sat, Oct 08, 2016 at 07:00:06PM +0300, Jarkko Sakkinen wrote:
> 
> > Rather you it would be better not to use cmdReady/goIdle at all if
> > kernel is not compiled with CONFIG_PM.
> 
> It would be best practice to ensure the tpm is powered up no matter
> how the kernel is compiled.. The firmware may have left it in idle or
> something
> 
> FWIW, I broadly agree there is no need to put the device into idle on
> the error paths. It probably wasn't idle when the driver attached to
> it.

I'll keep the current commit because it's anyway tested code.

If I want to change this I'll send a separate patch for review.

> Jason

/Jarkko