On Wed, 20 Jul 2011 13:10:55 +0200 Rafał Miłecki <zajec5 at gmail.com> wrote: > Sorry, for not explaining this well eno > ugh. I'm afraid of situation where b44 driver supports 64-bit DMA > device *without* handling this as such a device. A b44 or b43legacy device with 64bit DMA engine does not exist.