HZ_TO_MHZ         157 drivers/i2c/busses/i2c-stm32f4.c 	freq = DIV_ROUND_UP(i2c_dev->parent_rate, HZ_TO_MHZ);
HZ_TO_MHZ         193 drivers/i2c/busses/i2c-stm32f4.c 	u32 freq = DIV_ROUND_UP(i2c_dev->parent_rate, HZ_TO_MHZ);