From 125a8390995df1a350e9e16e6da11d010e1e7f76 Mon Sep 17 00:00:00 2001 From: David Lechner Date: Mon, 4 Dec 2023 11:33:32 -0600 Subject: [PATCH] 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 Acked-by: Michael Hennerich Acked-by: Nuno Sa Link: https://lore.kernel.org/r/20231204-axi-spi-engine-series-2-v1-6-063672323fce@baylibre.com Signed-off-by: Mark Brown --- drivers/spi/spi-axi-spi-engine.c | 4 ++++ 1 file changed, 4 insertions(+) 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); }