On 08/07/2015 10:11 AM, Tomeu Vizoso wrote: > 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. I wouldn't be so sure :( FYI: http://git.ti.com/ti-linux-kernel/ti-linux-kernel/commit/763d643bbfc0f445c6685c541fcae3c370e4314a -- regards, -grygorii -- 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
