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

Thomas E. Spanjaard tgen at netphreax.net
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
Attachment:
signature.asc
-------------- next part --------------
A non-text attachment was scrubbed...
Name: pgp00001.pgp
Type: application/octet-stream
Size: 186 bytes
Desc: "Description: OpenPGP digital signature"
URL: <http://lists.dragonflybsd.org/pipermail/commits/attachments/20070605/a161e035/attachment-0018.obj>


More information about the Commits mailing list