From 3275d0723a4cfad2199905623202edaa1ecba8c2 Mon Sep 17 00:00:00 2001
From: Toby Smith <toby@tismith.id.au>
Date: Wed, 30 Apr 2014 18:01:40 +1000
Subject: [PATCH] gpio: pca953x: return IRQ_NONE when appropriate

The irq handler should return IRQ_NONE or IRQ_HANDLED to report
if we have handled the interrupt.

Signed-off-by: Toby Smith <toby@tismith.id.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Reading git-format-patch failed