b43legacy: Clean up beacon IRQ

This patch ports commit c97a4ccc1f "b43: Fix beacon BH update" to
b43legacy. It fixes beacon updating in the bottomhalf. In case the device
is busy, we will defer to later in the IRQ handler.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Acked-by: Michael Buesch <mb@bu3sch.de>
Tested-by: David Ellingsworth <david@identd.dyndns.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Larry Finger 2009-04-11 11:26:01 -05:00 • committed by John W. Linville
commit 2d1f96dd90
4 changed files with 121 additions and 51 deletions