drivers/gpio/gpiolib.c

346 	CLASS(gpio_chip_guard, guard)(desc);
347 	if (!guard.gc)
361 	if (!guard.gc->get_direction)
364 	ret = guard.gc->get_direction(guard.gc, offset);
445 	guard(srcu)(&gpio_devices_srcu);
449 		guard(srcu)(&gdev->srcu);
796 	guard(srcu)(&gpio_devices_srcu);
1174 	guard(srcu)(&gpio_devices_srcu);
1181 		guard(srcu)(&gdev->srcu);
2240 	CLASS(gpio_chip_guard, guard)(desc);
2241 	if (!guard.gc)
2251 	if (guard.gc->request) {
2253 		if (gpiochip_line_is_valid(guard.gc, offset))
2254 			ret = guard.gc->request(guard.gc, offset);
2261 	if (guard.gc->get_direction)
2332 	CLASS(gpio_chip_guard, guard)(desc);
2336 	if (guard.gc && test_bit(FLAG_REQUESTED, &flags)) {
2337 		if (guard.gc->free)
2338 			guard.gc->free(guard.gc, gpio_chip_hwgpio(desc));
2393 	guard(srcu)(&desc->srcu);
2498 	CLASS(gpio_chip_guard, guard)(desc);
2499 	if (!guard.gc)
2503 	return gpio_do_set_config(guard.gc, gpio_chip_hwgpio(desc), config);
2597 	CLASS(gpio_chip_guard, guard)(desc);
2598 	if (!guard.gc)
2606 	if (!guard.gc->get && guard.gc->direction_input) {
2619 	if (guard.gc->direction_input) {
2620 		ret = guard.gc->direction_input(guard.gc,
2622 	} else if (guard.gc->get_direction &&
2623 		  (guard.gc->get_direction(guard.gc,
2645 	CLASS(gpio_chip_guard, guard)(desc);
2646 	if (!guard.gc)
2654 	if (!guard.gc->set && !guard.gc->direction_output) {
2661 	if (guard.gc->direction_output) {
2662 		ret = guard.gc->direction_output(guard.gc,
2666 		if (guard.gc->get_direction &&
2667 		    guard.gc->get_direction(guard.gc, gpio_chip_hwgpio(desc))) {
2677 		guard.gc->set(guard.gc, gpio_chip_hwgpio(desc), val);
2796 	CLASS(gpio_chip_guard, guard)(desc);
2797 	if (!guard.gc)
2800 	if (!guard.gc->en_hw_timestamp) {
2805 	ret = guard.gc->en_hw_timestamp(guard.gc,
2828 	CLASS(gpio_chip_guard, guard)(desc);
2829 	if (!guard.gc)
2832 	if (!guard.gc->dis_hw_timestamp) {
2837 	ret = guard.gc->dis_hw_timestamp(guard.gc, gpio_chip_hwgpio(desc),
2859 	CLASS(gpio_chip_guard, guard)(desc);
2860 	if (!guard.gc)
2863 	return gpio_do_set_config(guard.gc, gpio_chip_hwgpio(desc), config);
2968 	guard(srcu)(&gdev->srcu);
3002 	guard(srcu)(&gdev->srcu);
3049 		CLASS(gpio_chip_guard, guard)(desc_array[i]);
3050 		if (!guard.gc)
3053 		if (likely(guard.gc->ngpio <= FASTPATH_NGPIO)) {
3059 			mask = bitmap_alloc(guard.gc->ngpio, flags);
3063 			bits = bitmap_alloc(guard.gc->ngpio, flags);
3070 		bitmap_zero(mask, guard.gc->ngpio);
3073 			WARN_ON(guard.gc->can_sleep);
3088 			 gpio_device_chip_cmp(desc_array[i]->gdev, guard.gc));
3090 		ret = gpio_chip_get_multiple(guard.gc, mask, bits);
3233 	CLASS(gpio_chip_guard, guard)(desc);
3234 	if (!guard.gc)
3238 		ret = guard.gc->direction_input(guard.gc, offset);
3240 		ret = guard.gc->direction_output(guard.gc, offset, 0);
3260 	CLASS(gpio_chip_guard, guard)(desc);
3261 	if (!guard.gc)
3265 		ret = guard.gc->direction_output(guard.gc, offset, 1);
3269 		ret = guard.gc->direction_input(guard.gc, offset);
3280 	CLASS(gpio_chip_guard, guard)(desc);
3281 	if (!guard.gc)
3285 	guard.gc->set(guard.gc, gpio_chip_hwgpio(desc), value);
3351 		CLASS(gpio_chip_guard, guard)(desc_array[i]);
3352 		if (!guard.gc)
3355 		if (likely(guard.gc->ngpio <= FASTPATH_NGPIO)) {
3361 			mask = bitmap_alloc(guard.gc->ngpio, flags);
3365 			bits = bitmap_alloc(guard.gc->ngpio, flags);
3372 		bitmap_zero(mask, guard.gc->ngpio);
3375 			WARN_ON(guard.gc->can_sleep);
3411 			 gpio_device_chip_cmp(desc_array[i]->gdev, guard.gc));
3414 			gpio_chip_set_multiple(guard.gc, mask, bits);
3584 	guard(srcu)(&gdev->srcu);
4073 	guard(mutex)(&gpio_lookup_lock);
4487 	CLASS(gpio_chip_guard, guard)(desc);
4488 	if (!guard.gc)
4496 	local_desc = gpiochip_request_own_desc(guard.gc, hwnum, name,
4775 	guard(srcu)(&gdev->srcu);
4784 		guard(srcu)(&desc->srcu);
4860 	guard(srcu)(&gdev->srcu);