[U-Boot] [PATCH 1/3] tpm: Add casts for proper compilation

[Wolfgang Denk]

Dear Simon,

In message <CAPnjgZ2p-Re5Hp13st-Q2CuP49azyZZxwNRZSAfhr_iUSGbNJQ at mail.gmail.com> you wrote:
> 
> >> I accept that it has sat there for a while without a board config to
> >> use it. But I would very much like to keep this code and see no sense
> >> in removing it now that it is actually in use.
> >
> > Feel free to re-add it when there are any real users.
> >
> > I've posted a removal patch.
> 
> Can you please explain what you mean by 'real users'? Are you looking
> for an entire verified boot implementation before you will accept the
> TPM driver?

What exactly is this driver good for?  Which function does it provide
that can be used on any board in mainline?  It looks to me that it's
just sitting there, and does nothing good to anybody.

I don't know if there are any other legitimate uses for a TPM driver
in U-Boot, but if there are, none appear to be implemented by any
mainline board, so why should we have this driver in mainline?

Best regards,

Wolfgang Denk

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