MV64XXX_I2C_REG_BRIDGE_CONTROL
writel(0, drv_data->reg_base + MV64XXX_I2C_REG_BRIDGE_CONTROL);
writel(0, drv_data->reg_base + MV64XXX_I2C_REG_BRIDGE_CONTROL);
writel(ctrl_reg, drv_data->reg_base + MV64XXX_I2C_REG_BRIDGE_CONTROL);