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Message-ID: <1612551572-495-8-git-send-email-alain.volmat@foss.st.com>
Date: Fri, 5 Feb 2021 19:59:31 +0100
From: Alain Volmat <alain.volmat@...s.st.com>
To: <broonie@...nel.org>, <amelie.delaunay@...s.st.com>
CC: <mcoquelin.stm32@...il.com>, <alexandre.torgue@...s.st.com>,
<linux-spi@...r.kernel.org>,
<linux-stm32@...md-mailman.stormreply.com>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <fabrice.gasnier@...s.st.com>,
<alain.volmat@...s.st.com>
Subject: [PATCH v2 7/8] spi: stm32h7: replace private SPI_1HZ_NS with NSEC_PER_SEC
From: Amelie Delaunay <amelie.delaunay@...s.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@...s.st.com>
Signed-off-by: Alain Volmat <alain.volmat@...s.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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