From 611e12ea0f121a31d9e9c4ce2a18a77abc2f28d6 Mon Sep 17 00:00:00 2001
From: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Date: Mon, 27 Jul 2015 17:30:49 +0300
Subject: [PATCH] i2c: core: manage i2c bus device refcount in
 i2c_[get|put]_adapter

In addition to module_get()/module_put() add get_device()/put_device()
calls into i2c_get_adapter()/i2c_put_adapter() exported
interfaces. This is done to lock I2C bus device, if it is in use by a
client.

Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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