[PATCH] serial: tegra: Remove unused variable

[Thierry Reding]

From: Thierry Reding <tred...@nvidia.com>

The local mcr variable is never used in the tegra_uart_set_mctrl()
function, so it should be removed.

Signed-off-by: Thierry Reding <tred...@nvidia.com>
---
 drivers/tty/serial/serial-tegra.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/tty/serial/serial-tegra.c 
b/drivers/tty/serial/serial-tegra.c
index 1d6fc60ed013..1dba6719db8d 100644
--- a/drivers/tty/serial/serial-tegra.c
+++ b/drivers/tty/serial/serial-tegra.c
@@ -206,10 +206,8 @@ static void set_dtr(struct tegra_uart_port *tup, bool 
active)
 static void tegra_uart_set_mctrl(struct uart_port *u, unsigned int mctrl)
 {
        struct tegra_uart_port *tup = to_tegra_uport(u);
-       unsigned long mcr;
        int dtr_enable;
 
-       mcr = tup->mcr_shadow;
        tup->rts_active = !!(mctrl & TIOCM_RTS);
        set_rts(tup, tup->rts_active);
 
-- 
2.8.0