From e1e2093b16cb1cefe4dc483b00e73d1333260784 Mon Sep 17 00:00:00 2001
From: Amelie Delaunay <amelie.delaunay@foss.st.com>
Date: Fri, 5 Feb 2021 19:59:31 +0100
Subject: 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 <amelie.delaunay@foss.st.com>
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Link: https://lore.kernel.org/r/1612551572-495-8-git-send-email-alain.volmat@foss.st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/spi/spi-stm32.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
(limited to 'drivers/spi/spi-stm32.c')
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,
--
cgit