27 	struct device child;  member
31 static struct pwm_export *child_to_pwm_export(struct device *child)  in child_to_pwm_export()  argument
33 	return container_of(child, struct pwm_export, child);  in child_to_pwm_export()
36 static struct pwm_device *child_to_pwm_device(struct device *child)  in child_to_pwm_device()  argument
38 	struct pwm_export *export = child_to_pwm_export(child);  in child_to_pwm_device()
43 static ssize_t pwm_period_show(struct device *child,  in pwm_period_show()  argument
47 	const struct pwm_device *pwm = child_to_pwm_device(child);  in pwm_period_show()
52 static ssize_t pwm_period_store(struct device *child,  in pwm_period_store()  argument
56 	struct pwm_device *pwm = child_to_pwm_device(child);  in pwm_period_store()
69 static ssize_t pwm_duty_cycle_show(struct device *child,  in pwm_duty_cycle_show()  argument
73 	const struct pwm_device *pwm = child_to_pwm_device(child);  in pwm_duty_cycle_show()
78 static ssize_t pwm_duty_cycle_store(struct device *child,  in pwm_duty_cycle_store()  argument
82 	struct pwm_device *pwm = child_to_pwm_device(child);  in pwm_duty_cycle_store()
95 static ssize_t pwm_enable_show(struct device *child,  in pwm_enable_show()  argument
99 	const struct pwm_device *pwm = child_to_pwm_device(child);  in pwm_enable_show()
105 static ssize_t pwm_enable_store(struct device *child,  in pwm_enable_store()  argument
109 	struct pwm_device *pwm = child_to_pwm_device(child);  in pwm_enable_store()
131 static ssize_t pwm_polarity_show(struct device *child,  in pwm_polarity_show()  argument
135 	const struct pwm_device *pwm = child_to_pwm_device(child);  in pwm_polarity_show()
140 static ssize_t pwm_polarity_store(struct device *child,  in pwm_polarity_store()  argument
144 	struct pwm_device *pwm = child_to_pwm_device(child);  in pwm_polarity_store()
174 static void pwm_export_release(struct device *child)  in pwm_export_release()  argument
176 	struct pwm_export *export = child_to_pwm_export(child);  in pwm_export_release()
197 	export->child.release = pwm_export_release;  in pwm_export_child()
198 	export->child.parent = parent;  in pwm_export_child()
199 	export->child.devt = MKDEV(0, 0);  in pwm_export_child()
200 	export->child.groups = pwm_groups;  in pwm_export_child()
201 	dev_set_name(&export->child, "pwm%u", pwm->hwpwm);  in pwm_export_child()
203 	ret = device_register(&export->child);  in pwm_export_child()
213 static int pwm_unexport_match(struct device *child, void *data)  in pwm_unexport_match()  argument
215 	return child_to_pwm_device(child) == data;  in pwm_unexport_match()
220 	struct device *child;  in pwm_unexport_child()  local
225 	child = device_find_child(parent, pwm, pwm_unexport_match);  in pwm_unexport_child()
226 	if (!child)  in pwm_unexport_child()
230 	put_device(child);  in pwm_unexport_child()
231 	device_unregister(child);  in pwm_unexport_child()