cvs commit: src/sys/platform/pc32/i386 busdma_machdep.c

Tue Jun 5 02:35:45 PDT 2007

Simon 'corecode' Schubert wrote:
Matthew Dillon wrote:
  Log:
  Implement boundary and maximum segment size handling in 
bus_dmamap_load().
  This fixes NATA's UDMA device support.  The UDMA dma controller is 
limited
  to a transfer size of 65536 bytes and address incrementation might not
  carry over to bit 16.
Good catch!  Well hidden though.
Indeed, I was staring myself blind on interrupts...

Cheers,
--
        Thomas E. Spanjaard
        tgen at netphreax.net
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