On Friday 04 May 2012 18:14:16 John Baldwin wrote: > On Friday, May 04, 2012 11:38:47 am Hans Petter Selasky wrote: > > Author: hselasky > > Date: Fri May 4 15:38:47 2012 > > New Revision: 235007 > > URL: http://svn.freebsd.org/changeset/base/235007 > > > > Log: > > MFC r233662, r233677 and r233678: > > > > Writing zero to BAR actually does not disable it and > > it is even harmful as hselasky found out. Historically, > > this code was originated from (OLDCARD) CardBus driver and later leaked > > into PCI driver when CardBus was newbus'ified and refactored with PCI > > driver. However, it is not really necessary even for CardBus. > > FYI, I've got one bug report on HEAD where these changes broke a machine's > ATA controller.
Have you considered adding code to disable the I/O or memory range instead of writing 0 to the bar in this case? --HPS _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
