[coreboot-gerrit] Change in coreboot[master]: chromeos: stop sharing write protect GPIO with depthcharge

[Joel Kitching (Code Review)]

Joel Kitching has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/39318 )

Change subject: chromeos: stop sharing write protect GPIO with depthcharge
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Patch Set 1:
> Patch Set 1:
>
> Out of curiosity, that means that current coreboot wouldn’t work with an older depthcharge payload?

Yes, that's correct.  See the comment about what happens when the GPIO isn't defined here:
https://chromium-review.googlesource.com/c/chromiumos/platform/depthcharge/+...

But that's normal for Chrome OS firmware -- incompatible changes in ToT are very common.
We use branches to keep each board running on a consistent set of firmware.