In <87vgq3w6tz.wl@alicia.a-r.org>
ur@a-r.org wrote:

> One thing need to consider is that when BUS_DMA_NOWAIT is specified,
> we can't guarantee to allocate linear DMA VA space.

Hmm, I see the problem. Is it possive to prepare some fallback mechanism?
Non-linear buffer causes much overhead on asc driver.
---
Izumi Tsutsui
tsutsui@ceres.dti.ne.jp