39 	struct pwm_export *export = child_to_pwm_export(child);  in child_to_pwm_device()  local
41 	return export->pwm;  in child_to_pwm_device()
60 	struct pwm_export *export = child_to_pwm_export(child);  in period_store()  local
61 	struct pwm_device *pwm = export->pwm;  in period_store()
70 	mutex_lock(&export->lock);  in period_store()
74 	mutex_unlock(&export->lock);  in period_store()
95 	struct pwm_export *export = child_to_pwm_export(child);  in duty_cycle_store()  local
96 	struct pwm_device *pwm = export->pwm;  in duty_cycle_store()
105 	mutex_lock(&export->lock);  in duty_cycle_store()
109 	mutex_unlock(&export->lock);  in duty_cycle_store()
130 	struct pwm_export *export = child_to_pwm_export(child);  in enable_store()  local
131 	struct pwm_device *pwm = export->pwm;  in enable_store()
139 	mutex_lock(&export->lock);  in enable_store()
158 	mutex_unlock(&export->lock);  in enable_store()
189 	struct pwm_export *export = child_to_pwm_export(child);  in polarity_store()  local
190 	struct pwm_device *pwm = export->pwm;  in polarity_store()
202 	mutex_lock(&export->lock);  in polarity_store()
206 	mutex_unlock(&export->lock);  in polarity_store()
244 	struct pwm_export *export = child_to_pwm_export(child);  in pwm_export_release()  local
246 	kfree(export);  in pwm_export_release()
251 	struct pwm_export *export;  in pwm_export_child()  local
257 	export = kzalloc(sizeof(*export), GFP_KERNEL);  in pwm_export_child()
258 	if (!export) {  in pwm_export_child()
263 	export->pwm = pwm;  in pwm_export_child()
264 	mutex_init(&export->lock);  in pwm_export_child()
266 	export->child.release = pwm_export_release;  in pwm_export_child()
267 	export->child.parent = parent;  in pwm_export_child()
268 	export->child.devt = MKDEV(0, 0);  in pwm_export_child()
269 	export->child.groups = pwm_groups;  in pwm_export_child()
270 	dev_set_name(&export->child, "pwm%u", pwm->hwpwm);  in pwm_export_child()
272 	ret = device_register(&export->child);  in pwm_export_child()
275 		put_device(&export->child);  in pwm_export_child()
276 		export = NULL;  in pwm_export_child()
333 static DEVICE_ATTR_WO(export);
396 			 "device_create failed for pwm_chip sysfs export\n");  in pwmchip_sysfs_export()