From e1e2093b16cb1cefe4dc483b00e73d1333260784 Mon Sep 17 00:00:00 2001 From: Amelie Delaunay Date: Fri, 5 Feb 2021 19:59:31 +0100 Subject: [PATCH] spi: stm32h7: replace private SPI_1HZ_NS with NSEC_PER_SEC Replace SPI_1HZ_NS private constant with NSEC_PER_SEC, which is easier to read and understand. Signed-off-by: Amelie Delaunay Signed-off-by: Alain Volmat Link: https://lore.kernel.org/r/1612551572-495-8-git-send-email-alain.volmat@foss.st.com Signed-off-by: Mark Brown --- drivers/spi/spi-stm32.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c index 54196cecfe2e..f3a4ff60ac4b 100644 --- a/drivers/spi/spi-stm32.c +++ b/drivers/spi/spi-stm32.c @@ -162,8 +162,6 @@ #define SPI_3WIRE_TX 3 #define SPI_3WIRE_RX 4 -#define SPI_1HZ_NS 1000000000 - /* * use PIO for small transfers, avoiding DMA setup/teardown overhead for drivers * without fifo buffers. @@ -1525,7 +1523,7 @@ static void stm32h7_spi_data_idleness(struct stm32_spi *spi, u32 len) cfg2_clrb |= STM32H7_SPI_CFG2_MIDI; if ((len > 1) && (spi->cur_midi > 0)) { - u32 sck_period_ns = DIV_ROUND_UP(SPI_1HZ_NS, spi->cur_speed); + u32 sck_period_ns = DIV_ROUND_UP(NSEC_PER_SEC, spi->cur_speed); u32 midi = min_t(u32, DIV_ROUND_UP(spi->cur_midi, sck_period_ns), FIELD_GET(STM32H7_SPI_CFG2_MIDI, -- 2.25.1