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2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/spi/spi-loopback-test.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *  linux/drivers/spi/spi-loopback-test.c
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  *
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@@ -6,16 +7,6 @@
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  *  Loopback test driver to test several typical spi_message conditions
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  *  that a spi_master driver may encounter
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  *  this can also get used for regression testing
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- *
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- *  This program is free software; you can redistribute it and/or modify
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- *  it under the terms of the GNU General Public License as published by
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- *  the Free Software Foundation; either version 2 of the License, or
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- *  (at your option) any later version.
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- *
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- *  This program is distributed in the hope that it will be useful,
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- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *  GNU General Public License for more details.
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  */
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 #include <linux/delay.h>
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@@ -307,12 +298,18 @@
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 			{
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 				.tx_buf = TX(0),
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 				.rx_buf = RX(0),
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-				.delay_usecs = 1000,
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+				.delay = {
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+					.value = 1000,
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+					.unit = SPI_DELAY_UNIT_USECS,
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+				},
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 			},
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 			{
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 				.tx_buf = TX(0),
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 				.rx_buf = RX(0),
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-				.delay_usecs = 1000,
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+				.delay = {
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+					.value = 1000,
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+					.unit = SPI_DELAY_UNIT_USECS,
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+				},
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 			},
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 		},
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 	},
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@@ -546,7 +543,7 @@
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 		unsigned long long nbits = (unsigned long long)BITS_PER_BYTE *
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 					   xfer->len;
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-		delay_usecs += xfer->delay_usecs;
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+		delay_usecs += xfer->delay.value;
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 		if (!xfer->speed_hz)
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 			continue;
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 		estimated_time += div_u64(nbits * NSEC_PER_SEC, xfer->speed_hz);
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@@ -888,10 +885,10 @@
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 /**
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  * spi_test_execute_msg - default implementation to run a test
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  *
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- * spi: @spi_device on which to run the @spi_message
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- * test: the test to execute, which already contains @msg
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- * tx:   the tx buffer allocated for the test sequence
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- * rx:   the rx buffer allocated for the test sequence
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+ * @spi: @spi_device on which to run the @spi_message
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+ * @test: the test to execute, which already contains @msg
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+ * @tx:   the tx buffer allocated for the test sequence
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+ * @rx:   the rx buffer allocated for the test sequence
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  *
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  * Returns: error code of spi_sync as well as basic error checking
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  */
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@@ -960,10 +957,10 @@
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  *                     including all the relevant iterations on:
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  *                     length and buffer alignment
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  *
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- * spi:  the spi_device to send the messages to
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- * test: the test which we need to execute
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- * tx:   the tx buffer allocated for the test sequence
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- * rx:   the rx buffer allocated for the test sequence
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+ * @spi:  the spi_device to send the messages to
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+ * @test: the test which we need to execute
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+ * @tx:   the tx buffer allocated for the test sequence
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+ * @rx:   the rx buffer allocated for the test sequence
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  *
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  * Returns: status code of spi_sync or other failures
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  */