From: David Lechner <dlechner@baylibre.com>
To: linux-spi@vger.kernel.org
Cc: "David Lechner" <dlechner@baylibre.com>,
"Mark Brown" <broonie@kernel.org>,
"Michael Hennerich" <michael.hennerich@analog.com>,
"Nuno Sá" <nuno.sa@analog.com>,
linux-kernel@vger.kernel.org
Subject: [PATCH 6/9] spi: axi-spi-engine: implement xfer->cs_change_delay
Date: Mon, 4 Dec 2023 11:33:32 -0600 [thread overview]
Message-ID: <20231204-axi-spi-engine-series-2-v1-6-063672323fce@baylibre.com> (raw)
In-Reply-To: <20231204-axi-spi-engine-series-2-v1-0-063672323fce@baylibre.com>
This adds handling of xfer->cs_change_delay to the AXI SPI Engine
driver.
Signed-off-by: David Lechner <dlechner@baylibre.com>
---
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);
}
--
2.43.0
next prev parent reply other threads:[~2023-12-04 17:35 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-04 17:33 [PATCH 0/9] spi: axi-spi-engine: improvements round 2 David Lechner
2023-12-04 17:33 ` [PATCH 1/9] spi: axi-spi-engine: return void from spi_engine_compile_message() David Lechner
2023-12-04 17:33 ` [PATCH 2/9] spi: axi-spi-engine: populate xfer->effective_speed_hz David Lechner
2023-12-04 17:33 ` [PATCH 3/9] spi: axi-spi-engine: remove spi_engine_get_clk_div() David Lechner
2023-12-04 17:33 ` [PATCH 4/9] spi: axi-spi-engine: fix sleep ticks calculation David Lechner
2023-12-04 17:33 ` [PATCH 5/9] spi: axi-spi-engine: remove xfer arg from spi_engine_gen_sleep() David Lechner
2023-12-04 17:33 ` David Lechner [this message]
2023-12-04 17:33 ` [PATCH 7/9] spi: axi-spi-engine: restore clkdiv at end of message David Lechner
2023-12-04 17:33 ` [PATCH 8/9] spi: axi-spi-engine: remove delay from CS assertion David Lechner
2023-12-04 17:33 ` [PATCH 9/9] spi: axi-spi-engine: add watchdog timer David Lechner
2023-12-05 15:12 ` [PATCH 0/9] spi: axi-spi-engine: improvements round 2 Nuno Sá
2023-12-05 15:52 ` Hennerich, Michael
2023-12-06 21:04 ` Mark Brown
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