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spi: axi-spi-engine: implement xfer->cs_change_delay

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This adds handling of xfer->cs_change_delay to the AXI SPI Engine
driver.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20231204-axi-spi-engine-series-2-v1-6-063672323fce@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
David Lechner 2023-12-04 11:33:32 -06:00 committed by Mark Brown
parent e006c181dd
commit 125a839099
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GPG Key ID: 24D68B725D5487D0
1 changed files with 4 additions and 0 deletions
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4
drivers/spi/spi-axi-spi-engine.c
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@ -265,6 +265,10 @@ static void spi_engine_compile_message(struct spi_message *msg, bool dry,
if (!xfer->cs_off)
spi_engine_gen_cs(p, dry, spi, false);
spi_engine_gen_sleep(p, dry, spi_delay_to_ns(
&xfer->cs_change_delay, xfer),
xfer->effective_speed_hz);
if (!list_next_entry(xfer, transfer_list)->cs_off)
spi_engine_gen_cs(p, dry, spi, true);
}