From: Linus Walleij <linus.walleij@linaro.org>
Date: Tue, 10 Apr 2012 08:00:38 +0000 (+0200)
Subject: pinctrl: implement pinctrl deferred probing
X-Git-Tag: v3.5-rc1~176^2~35
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c05127c4e2c6e7d9949347a76fd05c337bcd5e84;p=pandora-kernel.git

pinctrl: implement pinctrl deferred probing

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.

Cc: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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