From e006c181dd9ab006d7b0982d35ef7951fbffe825 Mon Sep 17 00:00:00 2001 From: David Lechner Date: Mon, 4 Dec 2023 11:33:31 -0600 Subject: spi: axi-spi-engine: remove xfer arg from spi_engine_gen_sleep() This replaces the xfer parameter of spi_engine_gen_sleep() in the AXI SPI Engine driver with parameters for the delay in nanoseconds and the SPI SCLK rate. This will allow this function to be used by callers in the future that do not have a spi_transfer struct. 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-v1-5-063672323fce@baylibre.com Signed-off-by: Mark Brown --- drivers/spi/spi-axi-spi-engine.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers/spi') diff --git a/drivers/spi/spi-axi-spi-engine.c b/drivers/spi/spi-axi-spi-engine.c index b3e72308fcc5..84ec37732d8b 100644 --- a/drivers/spi/spi-axi-spi-engine.c +++ b/drivers/spi/spi-axi-spi-engine.c @@ -168,17 +168,16 @@ static void spi_engine_gen_xfer(struct spi_engine_program *p, bool dry, } static void spi_engine_gen_sleep(struct spi_engine_program *p, bool dry, - struct spi_transfer *xfer) + int delay_ns, u32 sclk_hz) { unsigned int t; - int delay_ns; - delay_ns = spi_delay_to_ns(&xfer->delay, xfer); + /* negative delay indicates error, e.g. from spi_delay_to_ns() */ if (delay_ns <= 0) return; /* rounding down since executing the instruction adds a couple of ticks delay */ - t = DIV_ROUND_DOWN_ULL((u64)delay_ns * xfer->effective_speed_hz, NSEC_PER_SEC); + t = DIV_ROUND_DOWN_ULL((u64)delay_ns * sclk_hz, NSEC_PER_SEC); while (t) { unsigned int n = min(t, 256U); @@ -256,7 +255,8 @@ static void spi_engine_compile_message(struct spi_message *msg, bool dry, } spi_engine_gen_xfer(p, dry, xfer); - spi_engine_gen_sleep(p, dry, xfer); + spi_engine_gen_sleep(p, dry, spi_delay_to_ns(&xfer->delay, xfer), + xfer->effective_speed_hz); if (xfer->cs_change) { if (list_is_last(&xfer->transfer_list, &msg->transfers)) { -- cgit v1.2.3