[PATCH v1 7/7] i2c: synquacer: Use HZ_PER_GHZ constant instead of plain number

[Andy Shevchenko]

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

Signed-off-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>
---
 drivers/i2c/busses/i2c-synquacer.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

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
-- 
2.50.1