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| author | Amelie Delaunay <amelie.delaunay@foss.st.com> | 2021-02-05 19:59:31 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-02-05 19:17:00 +0000 |
| commit | e1e2093b16cb1cefe4dc483b00e73d1333260784 (patch) | |
| tree | 01193d3191d7796ed5d6c8c107d1bcaa0675968b /drivers/spi | |
| parent | c63b95b76e69b679b9b95014552db099eb77a4fa (diff) | |
| download | linux-rpi-e1e2093b16cb1cefe4dc483b00e73d1333260784.tar.gz linux-rpi-e1e2093b16cb1cefe4dc483b00e73d1333260784.tar.bz2 linux-rpi-e1e2093b16cb1cefe4dc483b00e73d1333260784.zip | |
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>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-stm32.c | 4 |
1 files changed, 1 insertions, 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, |