watchdog: ath79_wdt: convert to use devm_clk_get

Use the managed version of clk_get. This allows to
simplify the probe/remove functions a bit.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/watchdog/ath79_wdt.c b/drivers/watchdog/ath79_wdt.c
index 38a999e60c0d..dcd18ec1821b 100644
--- a/drivers/watchdog/ath79_wdt.c
+++ b/drivers/watchdog/ath79_wdt.c
@@ -229,13 +229,13 @@ static int ath79_wdt_probe(struct platform_device *pdev)
         u32 ctrl;
         int err;
 
-        wdt_clk = clk_get(&pdev->dev, "wdt");
+        wdt_clk = devm_clk_get(&pdev->dev, "wdt");
         if (IS_ERR(wdt_clk))
                 return PTR_ERR(wdt_clk);
 
         err = clk_enable(wdt_clk);
         if (err)
-                goto err_clk_put;
+                return err;
 
         wdt_freq = clk_get_rate(wdt_clk);
         if (!wdt_freq) {
@@ -265,8 +265,6 @@ static int ath79_wdt_probe(struct platform_device *pdev)
 
 err_clk_disable:
         clk_disable(wdt_clk);
-err_clk_put:
-        clk_put(wdt_clk);
         return err;
 }
 
@@ -274,7 +272,6 @@ static int ath79_wdt_remove(struct platform_device *pdev)
 {
         misc_deregister(&ath79_wdt_miscdev);
         clk_disable(wdt_clk);
-        clk_put(wdt_clk);
         return 0;
 }