On Mon, Nov 26, 2018 at 10:53:40PM +0100, Linus Walleij wrote: > The managed resources pretty much assume > that you tie resources to the device model and let kref inside the > kobject in struct device do all refcounting and that essentially > collides with the refcounting inside the regulator core, they both > want to control this now.
If a driver is handing ownership of an object over to something else then devm is always unsuitable. > I suspect maybe the lesser evil is to bite the bullet, invent > gpiod_get_from_of_node() which is the missing API (we currently > only have devm_gpiod_get_from_of_node()) and simply > fix up the converted regulator drivers to avoid devm_* > retrieveal in the same manner as wm8994 (the already > queued patch). This will make the regulator core own the > refcounting as it does today. You're always going to need unmanaged versions of functions for use with things like this I think.
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