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>

1 files changed, 5 insertions, 9 deletions

diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 0b5f0ead6b73..9309082e4937 100644
--- 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;