[05/18] spi: stm32h7: replace private SPI_1HZ_NS with NSEC_PER_SEC
diff mbox series

Message ID 1596610933-32599-6-git-send-email-alain.volmat@st.com
State New
Headers show
Series
  • spi: stm32: various driver enhancements
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Commit Message

Alain Volmat Aug. 5, 2020, 7:02 a.m. UTC
From: Amelie Delaunay <amelie.delaunay@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@st.com>
Signed-off-by: Alain Volmat <alain.volmat@st.com>
---
 drivers/spi/spi-stm32.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Patch
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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,