diff options
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/tegra_hsuart.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/tty/serial/tegra_hsuart.c b/drivers/tty/serial/tegra_hsuart.c index f94dc24b5229..fecc3cf46f4d 100644 --- a/drivers/tty/serial/tegra_hsuart.c +++ b/drivers/tty/serial/tegra_hsuart.c @@ -847,6 +847,7 @@ static int tegra_startup(struct uart_port *u) struct tegra_uart_port *t = container_of(u, struct tegra_uart_port, uport); int ret = 0; + struct tegra_uart_platform_data *pdata; t = container_of(u, struct tegra_uart_port, uport); sprintf(t->port_name, "tegra_uart_%d", u->line); @@ -889,6 +890,9 @@ static int tegra_startup(struct uart_port *u) if (ret) goto fail; + pdata = u->dev->platform_data; + if (pdata->is_loopback) + t->mcr_shadow |= UART_MCR_LOOP; dev_dbg(u->dev, "Requesting IRQ %d\n", u->irq); msleep(1); |