[PATCH v4 20/22] driver core: Allow deferring probes until late init

[Mark Brown]

On Mon, Sep 07, 2015 at 02:23:45PM +0200, Tomeu Vizoso wrote:
> Add a field to struct device that instructs the device-driver core to
> defer the probe of this device until the late_initcall level.
> 
> By letting all built-in drivers to register before starting to probe, we
> can avoid any deferred probes by probing dependencies on demand.

Is this not going to resut in massive churn as we go through and set
this flag for a massive proportion of drivers?  Could we mitigate this
by having a first pass at setting this per subsystem or something so
that we get a good proportion of drivers with changes in core code?
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