18 	struct device child;  member
24 static struct pwm_export *child_to_pwm_export(struct device *child)  in child_to_pwm_export()  argument
26 	return container_of(child, struct pwm_export, child);  in child_to_pwm_export()
29 static struct pwm_device *child_to_pwm_device(struct device *child)  in child_to_pwm_device()  argument
31 	struct pwm_export *export = child_to_pwm_export(child);  in child_to_pwm_device()
36 static ssize_t period_show(struct device *child,  in period_show()  argument
40 	const struct pwm_device *pwm = child_to_pwm_device(child);  in period_show()
48 static ssize_t period_store(struct device *child,  in period_store()  argument
52 	struct pwm_export *export = child_to_pwm_export(child);  in period_store()
71 static ssize_t duty_cycle_show(struct device *child,  in duty_cycle_show()  argument
75 	const struct pwm_device *pwm = child_to_pwm_device(child);  in duty_cycle_show()
83 static ssize_t duty_cycle_store(struct device *child,  in duty_cycle_store()  argument
87 	struct pwm_export *export = child_to_pwm_export(child);  in duty_cycle_store()
106 static ssize_t enable_show(struct device *child,  in enable_show()  argument
110 	const struct pwm_device *pwm = child_to_pwm_device(child);  in enable_show()
118 static ssize_t enable_store(struct device *child,  in enable_store()  argument
122 	struct pwm_export *export = child_to_pwm_export(child);  in enable_store()
154 static ssize_t polarity_show(struct device *child,  in polarity_show()  argument
158 	const struct pwm_device *pwm = child_to_pwm_device(child);  in polarity_show()
177 static ssize_t polarity_store(struct device *child,  in polarity_store()  argument
181 	struct pwm_export *export = child_to_pwm_export(child);  in polarity_store()
203 static ssize_t capture_show(struct device *child,  in capture_show()  argument
207 	struct pwm_device *pwm = child_to_pwm_device(child);  in capture_show()
234 static void pwm_export_release(struct device *child)  in pwm_export_release()  argument
236 	struct pwm_export *export = child_to_pwm_export(child);  in pwm_export_release()
259 	export->child.release = pwm_export_release;  in pwm_export_child()
260 	export->child.parent = parent;  in pwm_export_child()
261 	export->child.devt = MKDEV(0, 0);  in pwm_export_child()
262 	export->child.groups = pwm_groups;  in pwm_export_child()
263 	dev_set_name(&export->child, "pwm%u", pwm->hwpwm);  in pwm_export_child()
265 	ret = device_register(&export->child);  in pwm_export_child()
268 		put_device(&export->child);  in pwm_export_child()
280 static int pwm_unexport_match(struct device *child, void *data)  in pwm_unexport_match()  argument
282 	return child_to_pwm_device(child) == data;  in pwm_unexport_match()
287 	struct device *child;  in pwm_unexport_child()  local
293 	child = device_find_child(parent, pwm, pwm_unexport_match);  in pwm_unexport_child()
294 	if (!child)  in pwm_unexport_child()
303 	put_device(child);  in pwm_unexport_child()
304 	device_unregister(child);  in pwm_unexport_child()
381 	struct device *child;  in pwm_class_get_state()  local
387 	child = device_find_child(parent, pwm, pwm_unexport_match);  in pwm_class_get_state()
388 	if (!child)  in pwm_class_get_state()
391 	export = child_to_pwm_export(child);  in pwm_class_get_state()
392 	put_device(child);	/* for device_find_child() */  in pwm_class_get_state()