K 10
svn:author
V 6
adrian
K 8
svn:date
V 27
2011-09-08T12:19:58.052713Z
K 7
svn:log
V 749
Add txq stop debugging; always memzero the 11n descriptors before chaining.

* To help me trace down some ath txq device timeout issues, print out some
  TXQ state before the TXQ is halted.

* Always memzero the descriptor in ar5416ChainTxDesc(). It was being called
  for the non-first descriptor in a (sub) frame.
  Problem is, I'm calling this function first, and THEN setting up the first
  descriptor, because of the way that ar5416ChainTxDesc() overwrites
  some fields that ar5416SetupFirstTxDesc() sets up.

  It's quite possible that ar5416SetupFirstTxDesc() should be called first;
  and ar5416ChainTxDesc() should be modified to merge in these changes
  rather than overwrite them. If I decide this, I'll revert this part of the
  patch.

END