i2c: synquacer: Use HZ_PER_GHZ constant instead of plain number

Use defined constant to avoid the possible mistakes and to provide
an additional information on the units.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20260112134900.4142954-8-andriy.shevchenko@linux.intel.com

diff --git a/drivers/i2c/busses/i2c-synquacer.c b/drivers/i2c/busses/i2c-synquacer.c
index 1230f51e16241979e0f05ece67da334a821d9946..4891d68bf0eed49210537ae7b6cb17eda8355b16 100644 (file)
--- a/drivers/i2c/busses/i2c-synquacer.c
+++ b/drivers/i2c/busses/i2c-synquacer.c
@@ -18,9 +18,10 @@
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
+#include <linux/units.h>
 
 #define WAIT_PCLK(n, rate)     \
-       ndelay(DIV_ROUND_UP(DIV_ROUND_UP(1000000000, rate), n) + 10)
+       ndelay(DIV_ROUND_UP(DIV_ROUND_UP(HZ_PER_GHZ, rate), n) + 10)
 
 /* I2C register address definitions */
 #define SYNQUACER_I2C_REG_BSR          (0x00 << 2) // Bus Status