diff options
Diffstat (limited to 'drivers/pwm/pwm-bcm-iproc.c')
-rw-r--r-- | drivers/pwm/pwm-bcm-iproc.c | 38 |
1 files changed, 9 insertions, 29 deletions
diff --git a/drivers/pwm/pwm-bcm-iproc.c b/drivers/pwm/pwm-bcm-iproc.c index 7d70b6f186..7582540256 100644 --- a/drivers/pwm/pwm-bcm-iproc.c +++ b/drivers/pwm/pwm-bcm-iproc.c @@ -183,7 +183,6 @@ static int iproc_pwmc_apply(struct pwm_chip *chip, struct pwm_device *pwm, static const struct pwm_ops iproc_pwm_ops = { .apply = iproc_pwmc_apply, .get_state = iproc_pwmc_get_state, - .owner = THIS_MODULE, }; static int iproc_pwmc_probe(struct platform_device *pdev) @@ -207,18 +206,10 @@ static int iproc_pwmc_probe(struct platform_device *pdev) if (IS_ERR(ip->base)) return PTR_ERR(ip->base); - ip->clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(ip->clk)) { - dev_err(&pdev->dev, "failed to get clock: %ld\n", - PTR_ERR(ip->clk)); - return PTR_ERR(ip->clk); - } - - ret = clk_prepare_enable(ip->clk); - if (ret < 0) { - dev_err(&pdev->dev, "failed to enable clock: %d\n", ret); - return ret; - } + ip->clk = devm_clk_get_enabled(&pdev->dev, NULL); + if (IS_ERR(ip->clk)) + return dev_err_probe(&pdev->dev, PTR_ERR(ip->clk), + "failed to get clock\n"); /* Set full drive and normal polarity for all channels */ value = readl(ip->base + IPROC_PWM_CTRL_OFFSET); @@ -230,22 +221,12 @@ static int iproc_pwmc_probe(struct platform_device *pdev) writel(value, ip->base + IPROC_PWM_CTRL_OFFSET); - ret = pwmchip_add(&ip->chip); - if (ret < 0) { - dev_err(&pdev->dev, "failed to add PWM chip: %d\n", ret); - clk_disable_unprepare(ip->clk); - } - - return ret; -} - -static void iproc_pwmc_remove(struct platform_device *pdev) -{ - struct iproc_pwmc *ip = platform_get_drvdata(pdev); + ret = devm_pwmchip_add(&pdev->dev, &ip->chip); + if (ret < 0) + return dev_err_probe(&pdev->dev, ret, + "failed to add PWM chip\n"); - pwmchip_remove(&ip->chip); - - clk_disable_unprepare(ip->clk); + return 0; } static const struct of_device_id bcm_iproc_pwmc_dt[] = { @@ -260,7 +241,6 @@ static struct platform_driver iproc_pwmc_driver = { .of_match_table = bcm_iproc_pwmc_dt, }, .probe = iproc_pwmc_probe, - .remove_new = iproc_pwmc_remove, }; module_platform_driver(iproc_pwmc_driver); |