[PATCH v1 1/1] spi: bitbang: Use NSEC_PER_*SEC rather than hard coding

From: Andy Shevchenko
Date: Thu May 02 2024 - 11:48:35 EST


Use NSEC_PER_*SEC rather than the hard coded value of 1000s.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/spi/spi-bitbang.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-bitbang.c b/drivers/spi/spi-bitbang.c
index a0e2204fc039..c11af39c9842 100644
--- a/drivers/spi/spi-bitbang.c
+++ b/drivers/spi/spi-bitbang.c
@@ -11,6 +11,7 @@
#include <linux/errno.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
+#include <linux/time64.h>

#include <linux/spi/spi.h>
#include <linux/spi/spi_bitbang.h>
@@ -168,8 +169,8 @@ int spi_bitbang_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
if (!hz)
hz = spi->max_speed_hz;
if (hz) {
- cs->nsecs = (1000000000/2) / hz;
- if (cs->nsecs > (MAX_UDELAY_MS * 1000 * 1000))
+ cs->nsecs = (NSEC_PER_SEC / 2) / hz;
+ if (cs->nsecs > (MAX_UDELAY_MS * NSEC_PER_MSEC))
return -EINVAL;
}

--
2.43.0.rc1.1336.g36b5255a03ac