[PATCH -next] serial: 8250: Make symbol 'brcmuart_debugfs_root' static

[Zucheng Zheng]

symbol 'brcmuart_debugfs_root' is not used outside of 8250_bcm7271.c,
so this commit marks it static.

Signed-off-by: Zucheng Zheng <zhengzucheng@xxxxxxxxxx>
---
 drivers/tty/serial/8250/8250_bcm7271.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/8250/8250_bcm7271.c b/drivers/tty/serial/8250/8250_bcm7271.c
index 63883185fccd..ebba7f2e960c 100644
--- a/drivers/tty/serial/8250/8250_bcm7271.c
+++ b/drivers/tty/serial/8250/8250_bcm7271.c
@@ -239,7 +239,7 @@ struct brcmuart_priv {
 	u32		rx_abort;
 };
 
-struct dentry *brcmuart_debugfs_root;
+static struct dentry *brcmuart_debugfs_root;
 
 /*
  * Register access routines
-- 
2.17.1