I2C_INT_BUS_CLR_DONE
if (i2c_dev->hw->supports_bus_clear && (status & I2C_INT_BUS_CLR_DONE))
tegra_i2c_mask_irq(i2c_dev, I2C_INT_BUS_CLR_DONE);
tegra_i2c_unmask_irq(i2c_dev, I2C_INT_BUS_CLR_DONE);
tegra_i2c_mask_irq(i2c_dev, I2C_INT_BUS_CLR_DONE);