LWN: SFLC: OpenBSD Atheros Driver is Clean Nov 15, 2006, 16 :30 UTC (2 Talkback[s]) (5654 reads) (Other stories by John W. Linville)
"It is my pleasure to announce that the SFLC has assisted the ar5k developers in evaluating the development history of Reyk Floeter's OpenBSD reverse-engineered Atheros HAL, ar5k. SFLC's assessment leads to the conclusion that free software developers should not be worried about using/extending ar5k or porting ar5k to other platforms.
"In the past there were serious questions raised and even dire warnings made about ar5k's copyright status..."