imx_shutdown() calls imx_disable_dma if .dma_is_enabled. So after imx_shudown() completes, .dma_is_enabled is zero. For this reason .dma_is_enabled is also zero when imx_startup() is called. So the check for this variable being zero can be dropped. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> --- drivers/tty/serial/imx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index a794c94812ca..cb093730df32 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -1250,7 +1250,7 @@ static int imx_startup(struct uart_port *port) writel(USR1_RTSD | USR1_DTRD, sport->port.membase + USR1); writel(USR2_ORE, sport->port.membase + USR2); - if (dma_is_inited && !sport->dma_is_enabled) + if (dma_is_inited) imx_enable_dma(sport); temp = readl(sport->port.membase + UCR1) & ~UCR1_RRDYEN; -- 2.15.1 -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
