[Skiboot] [PATCH v3 3/6] slw: Add Power9 idle states to power-mgt dt node

[Michael Neuling]

> > > +	{
> > > +		.name = "stop11",
> > > +		.latency_ns = 10000000,
> > > +		.residency_ns = 100000000,
> > > +		.flags = 1*IDLE_DEC_STOP \
> > > +		       | 1*IDLE_TB_STOP  \
> > > +		       | 1*IDLE_LOSE_USER_CONTEXT \
> > > +		       | 1*IDLE_LOSE_HYP_CONTEXT \
> > > +		       | 1*IDLE_LOSE_FULL_CONTEXT \
> > > +		       | 1*OPAL_PM_STOP_INST_DEEP,
> > > +		.pm_ctrl_reg_val = 0xB,
> > > +		.pm_ctrl_reg_mask = 0xF },
> > Why 0, 1, 2, 4, 8 and 11?  Why don't we use any of the others?
> > 
> These are the key idle states that we want to exploit initially.

OK, can put a comment a long those lines so we'll know why we did this in
the future.

Mikey