Messages in this thread Patch in this message | | | From | Alain Volmat <> | Subject | [PATCH v2 7/8] spi: stm32h7: replace private SPI_1HZ_NS with NSEC_PER_SEC | Date | Fri, 5 Feb 2021 19:59:31 +0100 |
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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 --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, -- 2.17.1
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