diff options
| -rw-r--r-- | drivers/tty/serial/mxs-auart.c | 9 |
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); |