Hung-Te Lin has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/42029 )
Change subject: drivers/vpd: Add a function that reads BIOS version from a VPD variable
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Patch Set 4:
like CB:32905 was trying.
The story from that patch looks like they want to find a away for OS to read firmware version easily, without accessing SMBIOS. And that does not sound like a correct approach.
If Vboot is used, we have reserved few FMAP sections for version info: RO_FRID, RW_FWID_A, RW_FWID_B, and the build procedure will set correct strings when creating the firmware image. That's a better way if you want to manage version data, not hacking with VPD.
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