38 	struct pwm_export *export = child_to_pwm_export(child);  in child_to_pwm_device()  local
40 	return export->pwm;  in child_to_pwm_device()
186 	struct pwm_export *export = child_to_pwm_export(child);  in pwm_export_release()  local
188 	kfree(export);  in pwm_export_release()
193 	struct pwm_export *export;  in pwm_export_child()  local
199 	export = kzalloc(sizeof(*export), GFP_KERNEL);  in pwm_export_child()
200 	if (!export) {  in pwm_export_child()
205 	export->pwm = pwm;  in pwm_export_child()
207 	export->child.release = pwm_export_release;  in pwm_export_child()
208 	export->child.parent = parent;  in pwm_export_child()
209 	export->child.devt = MKDEV(0, 0);  in pwm_export_child()
210 	export->child.groups = pwm_groups;  in pwm_export_child()
211 	dev_set_name(&export->child, "pwm%u", pwm->hwpwm);  in pwm_export_child()
213 	ret = device_register(&export->child);  in pwm_export_child()
216 		kfree(export);  in pwm_export_child()
273 static DEVICE_ATTR_WO(export);