forcedeth: add clock gating feature <resend>

This patch adds new logic to support a clock gating feature found on the
latest set of chipsets. The clock gating is performed on the tx/rx
engines when the link is disconnected. Clock gating helps in reducing
power consumption.

* modified based on comments from netdev

Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ayaz Abdulla 2009-05-01 01:41:50 +00:00 • committed by David S. Miller
commit 88d7d8b00c