diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2023-07-18 19:55:45 +0200 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@gmail.com> | 2023-10-13 10:07:17 +0200 |
| commit | 6dbf23f5cfff789ee7c75a79709f06bcb3c6fc20 (patch) | |
| tree | b88e3aceb026c68db85fb261cb0dba6d38081cc8 /drivers/pwm | |
| parent | pwm: Drop pwm_[sg]et_chip_data() (diff) | |
| download | linux-6dbf23f5cfff789ee7c75a79709f06bcb3c6fc20.tar.xz linux-6dbf23f5cfff789ee7c75a79709f06bcb3c6fc20.zip | |
pwm: berlin: Simplify using devm functions
With devm_clk_get_enabled() the call to clk_disable_unprepare() can be
dropped from the error path and the remove callback. With
devm_pwmchip_add() pwmchip_remove() can be dropped. Then the remove
callback is empty and can go away, too.
Link: https://lore.kernel.org/r/20230718175545.3946935-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm')
| -rw-r--r-- | drivers/pwm/pwm-berlin.c | 25 |
1 files changed, 4 insertions, 21 deletions
diff --git a/drivers/pwm/pwm-berlin.c b/drivers/pwm/pwm-berlin.c index 832cb5995d18..ba2d79991769 100644 --- a/drivers/pwm/pwm-berlin.c +++ b/drivers/pwm/pwm-berlin.c @@ -209,39 +209,23 @@ static int berlin_pwm_probe(struct platform_device *pdev) if (IS_ERR(bpc->base)) return PTR_ERR(bpc->base); - bpc->clk = devm_clk_get(&pdev->dev, NULL); + bpc->clk = devm_clk_get_enabled(&pdev->dev, NULL); if (IS_ERR(bpc->clk)) return PTR_ERR(bpc->clk); - ret = clk_prepare_enable(bpc->clk); - if (ret) - return ret; - bpc->chip.dev = &pdev->dev; bpc->chip.ops = &berlin_pwm_ops; bpc->chip.npwm = BERLIN_PWM_NUMPWMS; - ret = pwmchip_add(&bpc->chip); - if (ret < 0) { - dev_err(&pdev->dev, "failed to add PWM chip: %d\n", ret); - clk_disable_unprepare(bpc->clk); - return ret; - } + ret = devm_pwmchip_add(&pdev->dev, &bpc->chip); + if (ret < 0) + return dev_err_probe(&pdev->dev, ret, "failed to add PWM chip\n"); platform_set_drvdata(pdev, bpc); return 0; } -static void berlin_pwm_remove(struct platform_device *pdev) -{ - struct berlin_pwm_chip *bpc = platform_get_drvdata(pdev); - - pwmchip_remove(&bpc->chip); - - clk_disable_unprepare(bpc->clk); -} - #ifdef CONFIG_PM_SLEEP static int berlin_pwm_suspend(struct device *dev) { @@ -290,7 +274,6 @@ static SIMPLE_DEV_PM_OPS(berlin_pwm_pm_ops, berlin_pwm_suspend, static struct platform_driver berlin_pwm_driver = { .probe = berlin_pwm_probe, - .remove_new = berlin_pwm_remove, .driver = { .name = "berlin-pwm", .of_match_table = berlin_pwm_match, |