From 04553e925baaa815025c6fd3cdc301a794fa2c74 Mon Sep 17 00:00:00 2001
From: Roland Stigge <stigge@antcom.de>
Date: Sun, 28 Oct 2012 08:34:59 -0700
Subject: [PATCH] leds: leds-gpio: Defer probing in case of deferred gpio
 probing

This patch makes leds-gpio's probe() return -EPROBE_DEFER if any of the gpios
to register are deferred themselves. This makes a change of
gpio_leds_create_of()'s return value necessary: Instead of returning NULL on
error, we now use ERR_PTR() error coding.

Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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