[coreboot-gerrit] Change in coreboot[master]: soc/intel/cnl: Allow enabling/disabling Chap device

[Michael Niewöhner (Code Review)]

Michael Niewöhner has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/44740 )

Change subject: soc/intel/cnl: Allow enabling/disabling Chap device
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Patch Set 14:

(1 comment)

https://review.coreboot.org/c/coreboot/+/44740/13//COMMIT_MSG 
Commit Message:

https://review.coreboot.org/c/coreboot/+/44740/13//COMMIT_MSG@12 
PS13, Line 12: The purpose of this device is not clear
> https://www.intel. […]

so, I haven't yet read the whole patent. when would one need that device? should it be on always, when supported? or does it even need user space software / drivers / whatever?

what I got is, that it can be used for performance monitoring