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serial: tegra: Remove unused variable 

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

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thierry Reding 2016-04-28 14:48:05 +02:00 committed by Greg Kroah-Hartman
parent 78bca84b95
commit 06c5e362ce
1 changed files with 0 additions and 2 deletions
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2
drivers/tty/serial/serial-tegra.c
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@ -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);