pwm: Convert pwm-tegra to use devm_clk_get()

Also return proper error in tegra_pwm_remove() if pwmchip_remove()
fails.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>

1 files changed, 2 insertions, 6 deletions

diff --git a/drivers/pwm/pwm-tegra.c b/drivers/pwm/pwm-tegra.c
index 472b74e8221a..02ce18d5e49a 100644
--- a/drivers/pwm/pwm-tegra.c
+++ b/drivers/pwm/pwm-tegra.c
@@ -194,7 +194,7 @@ static int tegra_pwm_probe(struct platform_device *pdev)
 
         platform_set_drvdata(pdev, pwm);
 
-        pwm->clk = clk_get(&pdev->dev, NULL);
+        pwm->clk = devm_clk_get(&pdev->dev, NULL);
         if (IS_ERR(pwm->clk))
                 return PTR_ERR(pwm->clk);
 
@@ -206,7 +206,6 @@ static int tegra_pwm_probe(struct platform_device *pdev)
         ret = pwmchip_add(&pwm->chip);
         if (ret < 0) {
                 dev_err(&pdev->dev, "pwmchip_add() failed: %d\n", ret);
-                clk_put(pwm->clk);
                 return ret;
         }
 
@@ -233,10 +232,7 @@ static int __devexit tegra_pwm_remove(struct platform_device *pdev)
                 clk_disable_unprepare(pc->clk);
         }
 
-        pwmchip_remove(&pc->chip);
-        clk_put(pc->clk);
-
-        return 0;
+        return pwmchip_remove(&pc->chip);
 }
 
 #ifdef CONFIG_OF