4  * SPDX-License-Identifier: Apache-2.0
72 static const char tx_data[BUF_SIZE] = "0123456789abcdef-\0";
83  * We need 5x(buffer size) + 1 to print a comma-separated list of each
84  * byte in hex, plus a null.
146 		return -1;  in spi_complete_multiple()
155 		return -1;  in spi_complete_multiple()
203 		return -1;  in spi_complete_loop()
218 		/* According to documentation, when sending NULL tx buf -  in spi_null_tx_buf()
258 		return -1;  in spi_null_tx_buf()
298 		return -1;  in spi_rx_half_start()
307 		return -1;  in spi_rx_half_start()
356 		return -1;  in spi_rx_half_end()
365 		return -1;  in spi_rx_half_end()
427 		return -1;  in spi_rx_every_4()
436 		return -1;  in spi_rx_every_4()
443 		return -1;  in spi_rx_every_4()
498 		return -1;  in spi_rx_bigger_than_tx()
507 		return -1;  in spi_rx_bigger_than_tx()
512 	if (memcmp(all_zeroes_buf, buffer_rx + tx_buf_size, BUF_SIZE - tx_buf_size)) {  in spi_rx_bigger_than_tx()
514 			buffer_rx + tx_buf_size,  BUF_SIZE - tx_buf_size, buffer_print_tx);  in spi_rx_bigger_than_tx()
517 			all_zeroes_buf, BUF_SIZE - tx_buf_size, buffer_print_rx);  in spi_rx_bigger_than_tx()
522 		return -1;  in spi_rx_bigger_than_tx()
565 		return -1;  in spi_complete_large_transfers()
600 		result = evt->signal->result;  in spi_async_call_cb()
604 		evt->signal->signaled = 0U;  in spi_async_call_cb()
605 		evt->state = K_POLL_STATE_NOT_READY;  in spi_async_call_cb()
654 	ret = spi_transceive_signal(spec->bus, &spec->config, &tx, &rx, &async_sig);  in spi_async_call()
655 	if (ret == -ENOTSUP) {  in spi_async_call()
663 		return -1;  in spi_async_call()
671 		return -1;  in spi_async_call()
680 		return -1;  in spi_async_call()
689 		return -1;  in spi_async_call()
694 		return -1;  in spi_async_call()
706 	lock_spec->config.operation |= SPI_LOCK_ON;  in spi_resource_lock_test()
709 		return -1;  in spi_resource_lock_test()
715 		return -1;  in spi_resource_lock_test()
719 		return -1;  in spi_resource_lock_test()
762 	zassert_true(spi_is_ready_dt(&spi_fast), "Fast spi lookback device is not ready");  in ZTEST()
764 	LOG_INF("SPI test fast config");  in ZTEST()