From e5445ee6a62329f6eb28b8ebd8ff4c4659ca0209 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@ingics.com>
Date: Tue, 25 Sep 2012 11:54:36 +0800
Subject: [PATCH] memory: emif: Add ifdef CONFIG_DEBUG_FS guard for
 emif_debugfs_[init|exit]

Add ifdef CONFIG_DEBUG_FS guard for emif_debugfs_[init|exit], and adds stub
functions for the case CONFIG_DEBUG_FS is not set.

When CONFIG_DEBUG_FS is enabled, debugfs_create_dir and debugfs_create_file
return NULL on failure, fix it.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by : Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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