diff options
| -rw-r--r-- | drivers/tty/serial/imx.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index fce8e4b01460..708b9852a575 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -1451,8 +1451,10 @@ static int imx_uart_startup(struct uart_port *port) imx_uart_writel(sport, ucr4 & ~UCR4_DREN, UCR4); /* Can we enable the DMA support? */ - if (!uart_console(port) && imx_uart_dma_init(sport) == 0) + if (!uart_console(port) && imx_uart_dma_init(sport) == 0) { + lockdep_set_subclass(&port->lock, 1); dma_is_inited = 1; + } uart_port_lock_irqsave(&sport->port, &flags); |