serial: mxs-auart: Use devm_clk_get()

By using devm_clk_get() we can have a shorter and cleaner code.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 0b5f0ea..9309082 100644 (file)
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -1246,15 +1246,14 @@ static int mxs_auart_probe(struct platform_device *pdev)
                s->devtype = pdev->id_entry->driver_data;
        }
 
-       s->clk = clk_get(&pdev->dev, NULL);
+       s->clk = devm_clk_get(&pdev->dev, NULL);
        if (IS_ERR(s->clk))
                return PTR_ERR(s->clk);
 
        r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (!r) {
-               ret = -ENXIO;
-               goto out_free_clk;
-       }
+       if (!r)
+               return -ENXIO;
+
 
        s->port.mapbase = r->start;
        s->port.membase = ioremap(r->start, resource_size(r));
@@ -1271,7 +1270,7 @@ static int mxs_auart_probe(struct platform_device *pdev)
        s->port.irq = s->irq;
        ret = request_irq(s->irq, mxs_auart_irq_handle, 0, dev_name(&pdev->dev), s);
        if (ret)
-               goto out_free_clk;
+               return ret;
 
        platform_set_drvdata(pdev, s);
 
@@ -1306,8 +1305,6 @@ out_free_gpio_irq:
 out_free_irq:
        auart_port[pdev->id] = NULL;
        free_irq(s->irq, s);
-out_free_clk:
-       clk_put(s->clk);
        return ret;
 }
 
@@ -1320,7 +1317,6 @@ static int mxs_auart_remove(struct platform_device *pdev)
        auart_port[pdev->id] = NULL;
 
        mxs_auart_free_gpio_irq(s);
-       clk_put(s->clk);
        free_irq(s->irq, s);
 
        return 0;