diff options
Diffstat (limited to 'drivers/tty/serial/mxs-auart.c')
| -rw-r--r-- | drivers/tty/serial/mxs-auart.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c index eb54e5c77ead..770454e0dfa3 100644 --- a/drivers/tty/serial/mxs-auart.c +++ b/drivers/tty/serial/mxs-auart.c @@ -1317,7 +1317,7 @@ static void mxs_auart_break_ctl(struct uart_port *u, int ctl) mxs_clr(AUART_LINECTRL_BRK, s, REG_LINECTRL); } -static struct uart_ops mxs_auart_ops = { +static const struct uart_ops mxs_auart_ops = { .tx_empty = mxs_auart_tx_empty, .start_tx = mxs_auart_start_tx, .stop_tx = mxs_auart_stop_tx, @@ -1510,10 +1510,7 @@ static int mxs_get_clks(struct mxs_auart_port *s, if (!is_asm9260_auart(s)) { s->clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(s->clk)) - return PTR_ERR(s->clk); - - return 0; + return PTR_ERR_OR_ZERO(s->clk); } s->clk = devm_clk_get(s->dev, "mod"); @@ -1537,16 +1534,20 @@ static int mxs_get_clks(struct mxs_auart_port *s, err = clk_set_rate(s->clk, clk_get_rate(s->clk_ahb)); if (err) { dev_err(s->dev, "Failed to set rate!\n"); - return err; + goto disable_clk_ahb; } err = clk_prepare_enable(s->clk); if (err) { dev_err(s->dev, "Failed to enable clk!\n"); - return err; + goto disable_clk_ahb; } return 0; + +disable_clk_ahb: + clk_disable_unprepare(s->clk_ahb); + return err; } /* |