Messages in this thread | | | Date | Mon, 10 Dec 2012 23:07:52 +0900 | From | Mark Brown <> | Subject | Re: [PATCH 01/12] regulator: gpio-regulator: Demote GPIO Regulator driver to start later |
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On Mon, Dec 10, 2012 at 08:55:50AM +0000, Lee Jones wrote:
> The normal course of action would be to defer the MMCI driver too, > but these IOS level-shifter regulators aren't present on all > platforms, so deferring until one is found would be incorrect.
> So the best solution is to demote the GPIO Regulator driver, so > it starts later than the TC35892 GPIO controller, which is also > configured to start at subsys_initcall() time, but before deferred > probing time, which starts at late_initcall(), after many of the > drivers requiring these regulators would have already started.
This really isn't a good solution, especially not for a system that's DT based - on a DT system we can tell if there should be a GPIO present so we should be able to defer only when there's something that might provide the GPIO later on.
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