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| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2021-03-27 22:24:28 +0100 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@gmail.com> | 2021-04-09 14:44:37 +0200 |
| commit | d58a484e7cf00412b8f7c17cd60caaa9fb4c2b42 (patch) | |
| tree | 34783b4cb5f1666be1149f897eb0c36844e9f24b /drivers/pwm | |
| parent | 819e82460ac858cdca38f748829979602a7708ee (diff) | |
| download | linux-stable-d58a484e7cf00412b8f7c17cd60caaa9fb4c2b42.tar.gz linux-stable-d58a484e7cf00412b8f7c17cd60caaa9fb4c2b42.tar.bz2 linux-stable-d58a484e7cf00412b8f7c17cd60caaa9fb4c2b42.zip | |
pwm: lpc18xx-sct: Free resources only after pwmchip_remove()
Before pwmchip_remove() returns the PWM is expected to be functional. So
remove the pwmchip before disabling the clock.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm')
| -rw-r--r-- | drivers/pwm/pwm-lpc18xx-sct.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pwm/pwm-lpc18xx-sct.c b/drivers/pwm/pwm-lpc18xx-sct.c index 3f8e54ec28c6..b643ac61a2e7 100644 --- a/drivers/pwm/pwm-lpc18xx-sct.c +++ b/drivers/pwm/pwm-lpc18xx-sct.c @@ -441,13 +441,15 @@ static int lpc18xx_pwm_remove(struct platform_device *pdev) struct lpc18xx_pwm_chip *lpc18xx_pwm = platform_get_drvdata(pdev); u32 val; + pwmchip_remove(&lpc18xx_pwm->chip); + val = lpc18xx_pwm_readl(lpc18xx_pwm, LPC18XX_PWM_CTRL); lpc18xx_pwm_writel(lpc18xx_pwm, LPC18XX_PWM_CTRL, val | LPC18XX_PWM_CTRL_HALT); clk_disable_unprepare(lpc18xx_pwm->pwm_clk); - return pwmchip_remove(&lpc18xx_pwm->chip); + return 0; } static struct platform_driver lpc18xx_pwm_driver = { |