i2c: lpc32xx: use api to get hclk instead of fix value

The HCLK is not constant and can take different value; use the api function to get the value of the HCLK for the I2C clock high and low computation.

Signed-off-by: Sylvain Lemieux <slemieux@tycoint.com>

diff --git a/drivers/i2c/lpc32xx_i2c.c b/drivers/i2c/lpc32xx_i2c.c
index 78d26e48c3c72f588942ede3c4a862865bf7d5ee..98106fa988287a3b108391e677f2ee8ab429007d 100644 (file)
--- a/drivers/i2c/lpc32xx_i2c.c
+++ b/drivers/i2c/lpc32xx_i2c.c
@@ -72,7 +72,7 @@ static unsigned int lpc32xx_i2c_set_bus_speed(struct i2c_adapter *adap,
        if (speed == 0)
                return -EINVAL;
 
-       half_period = (105000000 / speed) / 2;
+       half_period = (get_hclk_clk_rate() / speed) / 2;
 
        if ((half_period > 255) || (half_period < 0))
                return -EINVAL;