iwlegacy: add flush callback

Dump implementation of flush, which just wait until all TX queues
become empty.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Stanislaw Gruszka 2012-12-20 14:31:51 +01:00 • committed by John W. Linville
commit 70277f47b5
4 changed files with 39 additions and 0 deletions