Author: adrian
Date: Thu Mar 31 08:32:53 2011
New Revision: 220187
URL: http://svn.freebsd.org/changeset/base/220187

Log:
  Document the ath glue changes.

Modified:
  head/UPDATING

Modified: head/UPDATING
==============================================================================
--- head/UPDATING       Thu Mar 31 08:14:51 2011        (r220186)
+++ head/UPDATING       Thu Mar 31 08:32:53 2011        (r220187)
@@ -22,6 +22,16 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 9.
        machines to maximize performance.  (To disable malloc debugging, run
        ln -s aj /etc/malloc.conf.)
 
+20110331:
+       ath(4) has been split into bus- and device- modules. if_ath contains
+       the HAL, the TX rate control and the network device code. if_ath_pci
+       contains the PCI bus glue. For Atheros MIPS embedded systems, if_ath_ahb
+       contains the AHB glue. Users need to load both if_ath_pci and if_ath
+       in order to use ath on everything else.
+
+       TO REPEAT: if_ath_ahb is not needed for normal users. Normal users only
+       need to load if_ath and if_ath_pci for ath(4) operation.
+
 20110218:
        GNU binutils 2.17.50 (as of 2007-07-03) has been merged to -HEAD.  This
        is the last available version under GPLv2.  It brings a number of new
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