>>>>> "Jason" == Jason R Thorpe <thorpej@zembu.com> writes:

  Jason> Not even that is completely safe.

  Jason> The Right Thing To Do would be to implement the framework described in
  Jason> bus_dma(9).  This is particularly important for when you get the broadband
  Jason> adapter working, which as I understand it, is a SHB->PCI bridge with a
  Jason> PCI Ethernet chip on the other side.


But any such "framework" should go into the SH3 core somewhere
(shb.c?), if it doesn't already exist there, right?  I'm not talking
about DMA services for maple bus _units_ (there is no such thing), but
only about getting some DMA memory space for the bus driver itself
(fixed size).


  // Marcus