[PATCH v8 12/16] pwm: atmel: Simplify using devm_clk_get_prepared()

[Uwe Kleine-König]

With devm_clk_get_prepared() caring to unprepare the clock the error
path and remove callback can be simplified accordingly.

Acked-by: Nicolas Ferre <nicolas.ferre at microchip.com>
Reviewed-by: Alexandru Ardelean <aardelean at deviqon.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
---
 drivers/pwm/pwm-atmel.c | 16 ++--------------
 1 file changed, 2 insertions(+), 14 deletions(-)

diff --git a/drivers/pwm/pwm-atmel.c b/drivers/pwm/pwm-atmel.c
index 98b34ea9f38e..309c31e40ce4 100644
--- a/drivers/pwm/pwm-atmel.c
+++ b/drivers/pwm/pwm-atmel.c
@@ -480,16 +480,10 @@ static int atmel_pwm_probe(struct platform_device *pdev)
 	if (IS_ERR(atmel_pwm->base))
 		return PTR_ERR(atmel_pwm->base);
 
-	atmel_pwm->clk = devm_clk_get(&pdev->dev, NULL);
+	atmel_pwm->clk = devm_clk_get_prepared(&pdev->dev, NULL);
 	if (IS_ERR(atmel_pwm->clk))
 		return PTR_ERR(atmel_pwm->clk);
 
-	ret = clk_prepare(atmel_pwm->clk);
-	if (ret) {
-		dev_err(&pdev->dev, "failed to prepare PWM clock\n");
-		return ret;
-	}
-
 	atmel_pwm->chip.dev = &pdev->dev;
 	atmel_pwm->chip.ops = &atmel_pwm_ops;
 	atmel_pwm->chip.npwm = 4;
@@ -497,16 +491,12 @@ static int atmel_pwm_probe(struct platform_device *pdev)
 	ret = pwmchip_add(&atmel_pwm->chip);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "failed to add PWM chip %d\n", ret);
-		goto unprepare_clk;
+		return ret;
 	}
 
 	platform_set_drvdata(pdev, atmel_pwm);
 
 	return ret;
-
-unprepare_clk:
-	clk_unprepare(atmel_pwm->clk);
-	return ret;
 }
 
 static int atmel_pwm_remove(struct platform_device *pdev)
@@ -515,8 +505,6 @@ static int atmel_pwm_remove(struct platform_device *pdev)
 
 	pwmchip_remove(&atmel_pwm->chip);
 
-	clk_unprepare(atmel_pwm->clk);
-
 	return 0;
 }
 
-- 
2.35.1