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/freebsd-10.1-release/sys/dev/buslogic/
H A Dbt_isa.cdiff 45796 Sun Apr 18 17:08:28 MDT 1999 peter Make the bt isa driver work..
- fix cut/paste problem. :-)
- don't forget to call isa_dmacascade()
- reset the port after we release resources.

That last one is a trap to watch out for.. The isa bus driver uses the
same port/irq/mem/etc variables for the initial probe hints as it does
for allocation/deallocation tracking. Releasing a resource clears the
variable and then you loose the hint during attach.. (ouch!)

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