Author: adrian
Date: Thu May 25 05:01:44 2017
New Revision: 318858
URL: https://svnweb.freebsd.org/changeset/base/318858

Log:
  Bump UPDATING to cover the ath shuffle.

Modified:
  head/UPDATING

Modified: head/UPDATING
==============================================================================
--- head/UPDATING       Thu May 25 04:26:26 2017        (r318857)
+++ head/UPDATING       Thu May 25 05:01:44 2017        (r318858)
@@ -51,6 +51,31 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 12
 
 ****************************** SPECIAL WARNING: ******************************
 
+20170524:
+       The ath(4) and ath_hal(4) modules now build piecemeal to allow for
+       smaller runtime footprint builds.  This is useful for embedded systems
+       which only require one chipset support.
+
+       If you load it as a module, make sure this is in /boot/loader.conf:
+
+       if_ath_load="YES"
+
+       This will load the HAL, all chip/RF backends and if_ath_pci.
+       If you have if_ath_pci in /boot/loader.conf, ensure it is after
+       if_ath or it will not load any HAL chipset support.
+
+       If you want to selectively load things (eg on ye cheape ARM/MIPS
+       platforms where RAM is at a premium) you should:
+
+       * load ath_hal
+       * load the chip modules in question
+       * load ath_rate, ath_dfs
+       * load ath_main
+       * load if_ath_pci and/or if_ath_ahb depending upon your particular
+         bus bind type - this is where probe/attach is done.
+
+       For further comments/feedback, poke adrian@ .
+
 20170523:
        The "ino64" 64-bit inode project has been committed, which extends
        a number of types to 64 bits.  Upgrading in place requires care and
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