Am Donnerstag, 28. Juli 2011, 20:41:18 schrieb David Herrmann:
> On Thu, Jul 28, 2011 at 8:05 PM, Oliver Neukum <oneukum@xxxxxxx> wrote:
> > Am Donnerstag, 28. Juli 2011, 18:08:23 schrieb David Herrmann:
> >> +static void wiiproto_req_drm(struct wiimote_data *wdata, __u8 drm)
> >> +{
> >> + __u8 cmd[3];
> >
> > Are you sure these buffers nned not be safe for DMA?
>
> wiimote_queue() allocates a buffer for every request. This should be
> fine for DMA then. All wiimote_req_*() functions work the same way.
>
Yes, that's safe.
Regards
Oliver
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