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[v2,7/8] spi: stm32h7: replace private SPI_1HZ_NS with NSEC_PER_SEC

Message ID 1612551572-495-8-git-send-email-alain.volmat@foss.st.com
State Superseded
Headers show
Series spi: stm32: fix and enhancements for spi-stm32 | expand

Commit Message

Alain Volmat Feb. 5, 2021, 6:59 p.m. UTC 
From: Amelie Delaunay <amelie.delaunay@foss.st.com>

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>
---
v2: identical to v1

 drivers/spi/spi-stm32.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
diff mbox series

Patch

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,