From 05f0939f76659260763d31890cb962e8d6060038 Mon Sep 17 00:00:00 2001
From: Christophe Ricard <christophe.ricard@gmail.com>
Date: Sat, 6 Jun 2015 13:16:51 +0200
Subject: [PATCH] NFC: st21nfcb: disable irq when st21nfcb is disabled

When st21nfcb is disabled, the irq line may remain active
while no data are available, flooding the system with
irrelevant i2c transaction.

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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