On Wed, Sep 14, 2011 at 02:23:54PM +0530, Santosh wrote:

As mentioned earlier, you need to save only once since non of the L2
configuration values will change. So 'save ones' and 'restore always
when context lost' should be the right way to go about it.

Might as well arrange for the save to be at initialization time -
there's no point saving the configuration at every suspend.