Hi,
we had some fun discussion a while back about the license headers we use in our tree. Asking legal experts, they proposed we go for keeping the usual GPL license header intact, only stripping the FSF address (which gave the most churn on licenses in our tree, and as you can see in the commit below, we didn't even do a good job on keeping those current, or uniform).
The rationale is that there are tools and work flows that expect license markers to be in some kind of 'normal form', and that's the one that exists for the GPL.
Just like they typically have no opinion about firmware development matters (although lawyers are a weird bunch, some even write great graphics card drivers!), I have little to say about their opinion on license matters, so my proposal is to follow expert advice.
http://review.coreboot.org/#/c/9233/ is my work in progress towards that goal. It's not complete yet, and I'd love to have some automated verification in our 'lint' tool set to make sure that no FSF addresses creep in once we exorcised them.
I deliberately kept util/kconfig as-is to keep changes compared to its upstream to a minimum.
Patrick
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Patrick Georgi