From 73f0718e74e25ac7381450a7a21257b8f26f43f0 Mon Sep 17 00:00:00 2001
From: Rob Ward <robert.ward114@googlemail.com>
Date: Sun, 7 Dec 2014 15:40:33 +0000
Subject: [PATCH] drivers: char: mem: Make /dev/mem an optional device

Adds Kconfig option CONFIG_DEVMEM that allows the
/dev/mem device to be disabled.

Option defaults to /dev/mem enabled.

Signed-off-by: Rob Ward <robert.ward114@googlemail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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