diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-11-11 16:22:27 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-11-11 16:22:27 -0300 |
commit | 29f5b648fa0b31ad614c78468b9279e5fa96397a (patch) | |
tree | 385e76324c4e95e90b16889937e7c24e6f7d4f4a /drivers/pwm/sysfs.c | |
parent | 1eae9639aac0f8de4d284f567ec722a822b52513 (diff) |
Linux-libre 4.8.7-gnupck-4.8.7-gnu
Diffstat (limited to 'drivers/pwm/sysfs.c')
-rw-r--r-- | drivers/pwm/sysfs.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/pwm/sysfs.c b/drivers/pwm/sysfs.c index 18ed72559..0296d8178 100644 --- a/drivers/pwm/sysfs.c +++ b/drivers/pwm/sysfs.c @@ -409,6 +409,24 @@ void pwmchip_sysfs_unexport(struct pwm_chip *chip) } } +void pwmchip_sysfs_unexport_children(struct pwm_chip *chip) +{ + struct device *parent; + unsigned int i; + + parent = class_find_device(&pwm_class, NULL, chip, + pwmchip_sysfs_match); + if (!parent) + return; + + for (i = 0; i < chip->npwm; i++) { + struct pwm_device *pwm = &chip->pwms[i]; + + if (test_bit(PWMF_EXPORTED, &pwm->flags)) + pwm_unexport_child(parent, pwm); + } +} + static int __init pwm_sysfs_init(void) { return class_register(&pwm_class); |