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pwm: tiehrpwm: Unprepare clock only after the PWM was unregistered

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The driver is supposed to stay functional until pwmchip_remove()
returns. So disable clocks only after that.

pwmchip_remove() always returns 0, so the return code can be ignored
which keeps ehrpwm_pwm_remove() a bit simpler and eventually allows to
make pwmchip_remove() return void.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Uwe Kleine-König 2021-07-07 18:27:56 +02:00 • committed by Thierry Reding
parent 84ea61f65d
commit 1a0c97b646
1 changed files with 3 additions and 1 deletions
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4
drivers/pwm/pwm-tiehrpwm.c
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@ -485,11 +485,13 @@ static int ehrpwm_pwm_remove(struct platform_device *pdev)
{ {
struct ehrpwm_pwm_chip *pc = platform_get_drvdata(pdev); struct ehrpwm_pwm_chip *pc = platform_get_drvdata(pdev);
pwmchip_remove(&pc->chip);
clk_unprepare(pc->tbclk); clk_unprepare(pc->tbclk);
pm_runtime_disable(&pdev->dev); pm_runtime_disable(&pdev->dev);
return pwmchip_remove(&pc->chip); return 0;
} }
#ifdef CONFIG_PM_SLEEP #ifdef CONFIG_PM_SLEEP