serial: 8250_dw: simplify optional reset handling

[karo-tx-linux.git] / drivers / tty / serial / 8250 / 8250_dw.c

diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index 6ee55a2d47bb429f73cf9d2b2711b109f6746a3d..e0215db44e6ee7e08166bf1fa09245d9aa9c2bfc 100644 (file)
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -525,12 +525,11 @@ static int dw8250_probe(struct platform_device *pdev)
        }
 
        data->rst = devm_reset_control_get_optional(dev, NULL);
-       if (IS_ERR(data->rst) && PTR_ERR(data->rst) == -EPROBE_DEFER) {
-               err = -EPROBE_DEFER;
+       if (IS_ERR(data->rst)) {
+               err = PTR_ERR(data->rst);
                goto err_pclk;
        }
-       if (!IS_ERR(data->rst))
-               reset_control_deassert(data->rst);
+       reset_control_deassert(data->rst);
 
        dw8250_quirks(p, data);
 
@@ -562,8 +561,7 @@ static int dw8250_probe(struct platform_device *pdev)
        return 0;
 
 err_reset:
-       if (!IS_ERR(data->rst))
-               reset_control_assert(data->rst);
+       reset_control_assert(data->rst);
 
 err_pclk:
        if (!IS_ERR(data->pclk))
@@ -584,8 +582,7 @@ static int dw8250_remove(struct platform_device *pdev)
 
        serial8250_unregister_port(data->line);
 
-       if (!IS_ERR(data->rst))
-               reset_control_assert(data->rst);
+       reset_control_assert(data->rst);
 
        if (!IS_ERR(data->pclk))
                clk_disable_unprepare(data->pclk);