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

[Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxxxxx>]

dillon      2007/06/03 04:47:10 PDT

DragonFly src repository

  Modified files:
    sys/platform/pc32/i386 busdma_machdep.c 
  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.
  
  Revision  Changes    Path
  1.19      +54 -4     src/sys/platform/pc32/i386/busdma_machdep.c


http://www.dragonflybsd.org/cvsweb/src/sys/platform/pc32/i386/busdma_machdep.c.diff?r1=1.18&r2=1.19&f=u