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CVS commit: src/sys/dev/isa

Module Name:    src
Committed By:   dyoung
Date:           Tue Aug 18 16:52:43 UTC 2009

Modified Files:
        src/sys/dev/isa: isa.c isadma.c isadmavar.h

Log Message:
Let us safely detach the ISA bus and devices attaching to the ISA

1 Add isadetach() for detaching the ISA bus, and add some helper
  routines that release resources held for ISA DMA.

2 In isachilddetached(), forget references to child devices.

While I am here, change ISA_DMA_DRQ_ISFREE(...) == 0 to the simpler
expression, !ISA_DMA_DRQ_ISFREE(...).

To generate a diff of this commit:
cvs rdiff -u -r1.135 -r1.136 src/sys/dev/isa/isa.c
cvs rdiff -u -r1.61 -r1.62 src/sys/dev/isa/isadma.c
cvs rdiff -u -r1.24 -r1.25 src/sys/dev/isa/isadmavar.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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