Hi, On Tue, Jan 22, 2019 at 11:24 AM Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> wrote: > > On Tue 22 Jan 10:58 PST 2019, Stephen Boyd wrote: > > > Quoting Bjorn Andersson (2019-01-21 21:51:03) > > > @@ -103,10 +138,30 @@ > > > no-map; > > > }; > > > > > > + venus_mem: memory@95800000 { > > > + reg = <0 0x95800000 0 0x500000>; > > > + no-map; > > > + }; > > > + > > > + cdsp_mem: memory@95d00000 { > > > + reg = <0 0x95d00000 0 0x800000>; > > > + no-map; > > > + }; > > > + > > > mba_region: memory@96500000 { > > > reg = <0 0x96500000 0 0x200000>; > > > no-map; > > > }; > > > + > > > + slpi_mem: memory@96700000 { > > > + reg = <0 0x96700000 0 0x1400000>; > > > + no-map; > > > + }; > > > + > > > + spss_mem: memory@97b00000 { > > > + reg = <0 0x97b00000 0 0x100000>; > > > + no-map; > > > + }; > > > }; > > > > > > > What's the plan if certain configurations don't use all these carveouts? > > Can we mark the reservation nodes as status = "disabled", or the reverse > > and mark them as status = "ok" in all boards, and then reclaim the > > memory for peripherals we don't care to use? > > > > The code path that picks these up does look for "status", so I suggest > that we leave them all enabled in the platform dtsi and then let the > device's reclaim them as needed. Does that mean we should add labels for all of the sub-nodes so that boards can easily mark them "disabled"? -Doug