STM32F7_I2C_ISR
isr = readl_relaxed(i2c_dev->base + STM32F7_I2C_ISR);
stm32f7_i2c_set_bits(base + STM32F7_I2C_ISR, mask);
status = readl_relaxed(i2c_dev->base + STM32F7_I2C_ISR);
status = readl_relaxed(i2c_dev->base + STM32F7_I2C_ISR);
status = readl_relaxed(i2c_dev->base + STM32F7_I2C_ISR);
i2c_dev->base + STM32F7_I2C_ISR);
i2c_dev->base + STM32F7_I2C_ISR);
ret = readl_relaxed_poll_timeout(i2c_dev->base + STM32F7_I2C_ISR,