[PATCH] interconnect: Fix a GCC compiler warning

[zhong jiang]

Fix the following compile warning:

drivers/interconnect/core.c:26:23: warning: Âicc_debugfs_dir defined but not used [-Wunused-variable]
 static struct dentry *icc_debugfs_dir;

Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
---
 drivers/interconnect/core.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c
index 2740f1a..9ea9959 100644
--- a/drivers/interconnect/core.c
+++ b/drivers/interconnect/core.c
@@ -23,7 +23,10 @@
 static DEFINE_IDR(icc_idr);
 static LIST_HEAD(icc_provider_list);
 static DEFINE_MUTEX(icc_lock);
+
+#ifdef CONFIG_DEBUG_FS
 static struct dentry *icc_debugfs_dir;
+#endif
 
 /**
  * struct icc_req - constraints that are attached to each node
-- 
1.7.12.4