Attention is currently required from: Michał Żygowski.
Sergii Dmytruk has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/80453?usp=email )
Change subject: drivers/crb: Check for PTT before attempting to initialize CRB TPM ......................................................................
Patch Set 1:
(1 comment)
Commit Message:
https://review.coreboot.org/c/coreboot/+/80453/comment/c37854ee_1b6d7a76 : PS1, Line 9: We can assume that platforms, which select HAVE_INTEL_PTT, will not : have any other CRB TPM than PTT.
Probably the dTPM could use CRB interface if it supports CRB besides FIFO. […]
Now I see this assumption is already in the code, you just made the function return sooner if PTT is off. I initially thought this changed behaviour to ignore some TPMs which weren't ignored before.