viafb: Add a simple interrupt management infrastructure

The viafb device shares a single interrupt control register among several
distinct subunits.  This adds a simple layer for management of that
register.

Cc: ScottFang@viatech.com.cn
Cc: JosephChan@via.com.tw
Cc: Harald Welte <laforge@gnumonks.org>
Acked-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Jonathan Corbet 2010-04-23 09:46:59 -06:00
commit 94dd1a856b
2 changed files with 107 additions and 1 deletions