bcm2835_i2c_readl
u32 divider = bcm2835_i2c_readl(div->i2c_dev, BCM2835_I2C_DIV);
val = bcm2835_i2c_readl(i2c_dev, BCM2835_I2C_S);
val = bcm2835_i2c_readl(i2c_dev, BCM2835_I2C_S);
*i2c_dev->msg_buf = bcm2835_i2c_readl(i2c_dev,
val = bcm2835_i2c_readl(i2c_dev, BCM2835_I2C_S);
val = bcm2835_i2c_readl(i2c_dev, BCM2835_I2C_S);