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pwm: Clear chip_data in pwm_put()

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After a PWM is disposed by its user the per chip data becomes invalid.
Clear the data in common code instead of the device drivers to get
consistent behaviour. Before this patch only three of nine drivers
cleaned up here.

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
2019-03-25 10:49:33 +01:00
committed by Thierry Reding
parent 738a1cfec2
commit e926b12c61
4 changed files with 1 additions and 3 deletions
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1
drivers/pwm/pwm-berlin.c
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@@ -84,7 +84,6 @@ static void berlin_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm)
{
struct berlin_pwm_channel *channel = pwm_get_chip_data(pwm);
pwm_set_chip_data(pwm, NULL);
kfree(channel);
}