STM32F4_I2C_SR1
status = readl_relaxed(i2c_dev->base + STM32F4_I2C_SR1);
status = readl_relaxed(i2c_dev->base + STM32F4_I2C_SR1);
writel_relaxed(status, i2c_dev->base + STM32F4_I2C_SR1);
writel_relaxed(status, i2c_dev->base + STM32F4_I2C_SR1);
writel_relaxed(status, i2c_dev->base + STM32F4_I2C_SR1);