[PATCH v2] pinctrl: implement pinctrl deferred probing

Mark Brown broonie at opensource.wolfsonmicro.com
Thu Apr 12 13:09:24 EDT 2012


On Wed, Apr 11, 2012 at 10:34:08AM +0200, Linus Walleij wrote:
> From: Linus Walleij <linus.walleij at linaro.org>
> 
> If drivers try to obtain pinctrl handles for a pin controller that
> has not yet registered to the subsystem, we need to be able to
> back out and retry with deferred probing. So let's return
> -EPROBE_DEFER whenever this location fails. Also downgrade the
> errors to info, maybe we will even set them to debug once the
> deferred probing is commonplace.

Reviwed-by: Mark Brown <broonie at opensource.wolfsonmicro.com>

Note that the probe deferral code already has info level logs every time
it does anything so you'll probably have a hint from that when it kicks
into action.
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