From: Linus Walleij <linus.walleij@linaro.org>
Date: Tue, 20 Nov 2012 13:25:07 +0000 (+0100)
Subject: pinctrl: add function to retrieve range from pin
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~94^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9afbefb227792a3c195085d662050dcca748f521;p=pandora-kernel.git

pinctrl: add function to retrieve range from pin

This adds a function to the pinctrl core to retrieve the GPIO
range associated with a certain pin for a certain controller.
This is needed when a pinctrl driver want to look up the
corresponding struct gpio_chip for a certain pin. As the
GPIO drivers can now create these ranges themselves, the
pinctrl driver no longer knows about all its associated GPIO
chips.

Reviewed-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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