[alsa-devel] USB transfer_buffer allocations on 64bit systems
oliver at neukum.org
Thu Apr 8 08:09:11 CEST 2010
Am Mittwoch, 7. April 2010 17:35:51 schrieb Daniel Mack:
> > Alan, any objection to just using usb_buffer_alloc() for every driver?
> > Or is that too much overhead?
> FWIW, most drivers I've seen in the past hours use a wild mix of
> kmalloc(), kzalloc(), kcalloc() and usb_buffer_alloc(). That should
> really be unified.
kmalloc() & friends != usb_buffer_alloc(). They do different things.
It makes no sense to unify them. If you really need an ordinary
buffer DMA will surely work on, this needs a third primitive.
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