31 	struct pwm_export *export = child_to_pwm_export(child);  in child_to_pwm_device()  local
33 	return export->pwm;  in child_to_pwm_device()
52 	struct pwm_export *export = child_to_pwm_export(child);  in period_store()  local
53 	struct pwm_device *pwm = export->pwm;  in period_store()
62 	mutex_lock(&export->lock);  in period_store()
66 	mutex_unlock(&export->lock);  in period_store()
87 	struct pwm_export *export = child_to_pwm_export(child);  in duty_cycle_store()  local
88 	struct pwm_device *pwm = export->pwm;  in duty_cycle_store()
97 	mutex_lock(&export->lock);  in duty_cycle_store()
101 	mutex_unlock(&export->lock);  in duty_cycle_store()
123 	struct pwm_export *export = child_to_pwm_export(child);  in oneshot_count_store()  local
124 	struct pwm_device *pwm = export->pwm;  in oneshot_count_store()
133 	mutex_lock(&export->lock);  in oneshot_count_store()
137 	mutex_unlock(&export->lock);  in oneshot_count_store()
159 	struct pwm_export *export = child_to_pwm_export(child);  in enable_store()  local
160 	struct pwm_device *pwm = export->pwm;  in enable_store()
168 	mutex_lock(&export->lock);  in enable_store()
187 	mutex_unlock(&export->lock);  in enable_store()
218 	struct pwm_export *export = child_to_pwm_export(child);  in polarity_store()  local
219 	struct pwm_device *pwm = export->pwm;  in polarity_store()
231 	mutex_lock(&export->lock);  in polarity_store()
235 	mutex_unlock(&export->lock);  in polarity_store()
304 	struct pwm_export *export = child_to_pwm_export(child);  in pwm_export_release()  local
306 	kfree(export);  in pwm_export_release()
311 	struct pwm_export *export;  in pwm_export_child()  local
318 	export = kzalloc(sizeof(*export), GFP_KERNEL);  in pwm_export_child()
319 	if (!export) {  in pwm_export_child()
324 	export->pwm = pwm;  in pwm_export_child()
325 	mutex_init(&export->lock);  in pwm_export_child()
327 	export->child.release = pwm_export_release;  in pwm_export_child()
328 	export->child.parent = parent;  in pwm_export_child()
329 	export->child.devt = MKDEV(0, 0);  in pwm_export_child()
330 	export->child.groups = pwm_groups;  in pwm_export_child()
331 	dev_set_name(&export->child, "pwm%u", pwm->hwpwm);  in pwm_export_child()
333 	ret = device_register(&export->child);  in pwm_export_child()
336 		put_device(&export->child);  in pwm_export_child()
337 		export = NULL;  in pwm_export_child()
340 	pwm_prop[0] = kasprintf(GFP_KERNEL, "EXPORT=pwm%u", pwm->hwpwm);  in pwm_export_child()
404 static DEVICE_ATTR_WO(export);
444 /* takes export->lock on success */
450 	struct pwm_export *export;  in pwm_class_get_state()  local
459 	export = child_to_pwm_export(child);  in pwm_class_get_state()
462 	mutex_lock(&export->lock);  in pwm_class_get_state()
465 	return export;  in pwm_class_get_state()
468 static int pwm_class_apply_state(struct pwm_export *export,  in pwm_class_apply_state()  argument
475 	mutex_unlock(&export->lock);  in pwm_class_apply_state()
489 		struct pwm_export *export;  in pwm_class_resume_npwm()  local
491 		export = pwm_class_get_state(parent, pwm, &state);  in pwm_class_resume_npwm()
492 		if (!export)  in pwm_class_resume_npwm()
495 		state.enabled = export->suspend.enabled;  in pwm_class_resume_npwm()
496 		ret = pwm_class_apply_state(export, pwm, &state);  in pwm_class_resume_npwm()
513 		struct pwm_export *export;  in pwm_class_suspend()  local
515 		export = pwm_class_get_state(parent, pwm, &state);  in pwm_class_suspend()
516 		if (!export)  in pwm_class_suspend()
519 		export->suspend = state;  in pwm_class_suspend()
521 		ret = pwm_class_apply_state(export, pwm, &state);  in pwm_class_suspend()
568 			 "device_create failed for pwm_chip sysfs export\n");  in pwmchip_sysfs_export()