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path: root/drivers/tty/serial/mxs-auart.c
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Diffstat (limited to 'drivers/tty/serial/mxs-auart.c')
-rw-r--r--drivers/tty/serial/mxs-auart.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index d8b6fee77a03..aa97fd845b4d 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -734,9 +734,12 @@ static void mxs_auart_reset(struct uart_port *u)
static int mxs_auart_startup(struct uart_port *u)
{
+ int ret;
struct mxs_auart_port *s = to_auart_port(u);
- clk_prepare_enable(s->clk);
+ ret = clk_prepare_enable(s->clk);
+ if (ret)
+ return ret;
writel(AUART_CTRL0_CLKGATE, u->membase + AUART_CTRL0_CLR);
@@ -957,7 +960,9 @@ auart_console_setup(struct console *co, char *options)
if (!s)
return -ENODEV;
- clk_prepare_enable(s->clk);
+ ret = clk_prepare_enable(s->clk);
+ if (ret)
+ return ret;
if (options)
uart_parse_options(options, &baud, &parity, &bits, &flow);