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| author | David Lechner <dlechner@baylibre.com> | 2023-12-04 11:33:32 -0600 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-12-06 14:19:34 +0000 |
| commit | 125a8390995df1a350e9e16e6da11d010e1e7f76 (patch) | |
| tree | 3ce2bcde857be344b7187ec051fddaaa655bcbaf /drivers/spi | |
| parent | e006c181dd9ab006d7b0982d35ef7951fbffe825 (diff) | |
| download | linux-stable-125a8390995df1a350e9e16e6da11d010e1e7f76.tar.gz linux-stable-125a8390995df1a350e9e16e6da11d010e1e7f76.tar.bz2 linux-stable-125a8390995df1a350e9e16e6da11d010e1e7f76.zip | |
spi: axi-spi-engine: implement xfer->cs_change_delay
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>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-axi-spi-engine.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/spi/spi-axi-spi-engine.c b/drivers/spi/spi-axi-spi-engine.c index 84ec37732d8b..3437829ef8b1 100644 --- a/drivers/spi/spi-axi-spi-engine.c +++ b/drivers/spi/spi-axi-spi-engine.c @@ -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); } |