On 6 August 2015 at 22:19, Rob Herring <robherring2@xxxxxxxxx> wrote: > On Thu, Aug 6, 2015 at 9:11 AM, Tomeu Vizoso <tomeu.vizoso@xxxxxxxxxxxxx> wrote: >> Delay matches of platform devices with OF nodes until late_initcall, >> when we are sure that all built-in drivers have been registered already. >> This is needed to prevent deferred probes because of some drivers not >> having registered yet. >> >> The reason why only platform devices are delayed is that some other >> devices are expected to be probed earlier than late_initcall, for >> example, the system PNP driver needs to probe its devices in >> fs_initcall. >> >> Additionally, only platform devices with OF nodes are delayed because >> some machines may depend on oter platform devices being registered at >> specific times. > > How do we know that these probes occur before the unused clocks and > regulators are turned off? Just getting lucky (as is deferred probe)? > Can we do this one level earlier so we have a level left to do things > after probe. Those are already late_initcall_sync so I guess we're fine. Thanks, Tomeu > Rob > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html