Messages in this thread Patch in this message | | | From | Uwe Kleine-König <> | Subject | [PATCH v2 3/3] pwm: atmel: Simplify using devm_clk_get_prepared() | Date | Mon, 1 Mar 2021 12:08:21 +0100 |
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From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
With devm_clk_get_prepared() caring to unprepare the clock the error path and remove callback can be simplified accordingly.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> --- drivers/pwm/pwm-atmel.c | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-)
diff --git a/drivers/pwm/pwm-atmel.c b/drivers/pwm/pwm-atmel.c index 5813339b597b..d65e23da2582 100644 --- a/drivers/pwm/pwm-atmel.c +++ b/drivers/pwm/pwm-atmel.c @@ -415,16 +415,10 @@ 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.of_xlate = of_pwm_xlate_with_flags; @@ -435,23 +429,18 @@ 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) { struct atmel_pwm_chip *atmel_pwm = platform_get_drvdata(pdev); - clk_unprepare(atmel_pwm->clk); mutex_destroy(&atmel_pwm->isr_lock); return pwmchip_remove(&atmel_pwm->chip); -- 2.30.0
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