From 8754fccbae661a0020923cffd63e21de36d51e2e Mon Sep 17 00:00:00 2001
From: Roland Stigge <stigge@antcom.de>
Date: Thu, 15 Nov 2012 14:59:40 +0100
Subject: [PATCH] gpio: gpio-max710x: Support device tree probing

For probing via device tree, we need to support the case without platform_data.
In this case, chip.base is set to -1 for automatic numbering.

Signed-off-by: Roland Stigge <stigge@antcom.de>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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