diff --git a/drivers/i2c/busses/i2c-synquacer.c b/drivers/i2c/busses/i2c-synquacer.c
index 1230f51e1624..4891d68bf0ee 100644
--- 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