From 5c21d008713918bcc4289e6ccb327b17b35dc4ef Mon Sep 17 00:00:00 2001
From: George Cherian <george.cherian@ti.com>
Date: Wed, 4 Sep 2013 12:33:01 +0530
Subject: [PATCH] gpio: pcf857x: change to devm_request_threaded_irq

Remove the request_irq and use devm_request_threaded_irq
also cleanup free_irq. devm_* takes care of that.

Signed-off-by: George Cherian <george.cherian@ti.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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