greybus: gbuf: clean up logic of who owns what "part" of the gbuf

Started documenting the gbuf and how a greybus driver and a host
controller driver needs to interact with it, and the rest of the greybus
system.  It's crude documentation, but better than nothing for now...
This commit is contained in:
Greg Kroah-Hartman 2014-09-21 17:34:28 -07:00
commit 3e7736e5c1
3 changed files with 140 additions and 67 deletions