[PATCH v2 10/15] spi: Use predefined constants from bits.h and units.h

Andy Shevchenko
2023-07-10T15:50:54Z

Instead of hard coded numbers, use predefined constancts,
such as BITS_PER_BYTE.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
include/linux/spi/spi.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 9fb8efb068c6..10265184ea02 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -25,6 +25,7 @@
#include <linux/string.h>
#include <linux/types.h>
#include <linux/u64_stats_sync.h>
+#include <linux/units.h>

#include <asm/byteorder.h>

@@ -1294,9 +1295,9 @@ static inline bool spi_is_bpw_supported(struct spi_device *spi, u32 bpw)
static inline unsigned int spi_controller_xfer_timeout(struct spi_controller *ctlr,
struct spi_transfer *xfer)
{
- u32 speed_hz = xfer->speed_hz ?: 100000;
+ u32 speed_hz = xfer->speed_hz ?: 100 * HZ_PER_KHZ;

- return max(xfer->len * 8 * 2 / (speed_hz / 1000), 500U);
+ return max(xfer->len * BITS_PER_BYTE * 2 / (speed_hz / MILLI), 500UL);
}

/*---------------------------------------------------------------------------*/
--
2.40.0.1.gaa8946217a0b