Hi, Where are the __synch_fetch() functions (or macros?) defined? I can't find them and neither can sparse: drivers/staging/line6/pcm.c:92:13: error: undefined identifier '__sync_fetch_and_or' drivers/staging/line6/pcm.c:137:25: error: undefined identifier '__sync_fetch_and_and' drivers/staging/line6/pcm.c:164:25: error: undefined identifier '__sync_fetch_and_and' drivers/staging/line6/pcm.c:175:13: error: undefined identifier '__sync_fetch_and_and' thanks, --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel