[PATCH 05/18] spi: stm32h7: replace private SPI_1HZ_NS with NSEC_PER_SEC

From: Alain Volmat
Date: Wed Aug 05 2020 - 03:05:26 EST


From: Amelie Delaunay <amelie.delaunay@xxxxxx>

Replace SPI_1HZ_NS private constant with NSEC_PER_SEC, which is easier
to read and understand.

Signed-off-by: Amelie Delaunay <amelie.delaunay@xxxxxx>
Signed-off-by: Alain Volmat <alain.volmat@xxxxxx>
---
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 a5b926a5c4d9..b90367d522f2 100644
--- a/drivers/spi/spi-stm32.c
+++ b/drivers/spi/spi-stm32.c
@@ -159,8 +159,6 @@
#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.
@@ -1508,7 +1506,7 @@ 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,
--
2.7.4