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()
176 	struct pwm_export *export = child_to_pwm_export(child);  in pwm_export_release()  local
178 	kfree(export);  in pwm_export_release()
183 	struct pwm_export *export;  in pwm_export_child()  local
189 	export = kzalloc(sizeof(*export), GFP_KERNEL);  in pwm_export_child()
190 	if (!export) {  in pwm_export_child()
195 	export->pwm = pwm;  in pwm_export_child()
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()
206 		kfree(export);  in pwm_export_child()
263 static DEVICE_ATTR(export, 0200, NULL, pwm_export_store);