HSI2C_INT_STATUS
writel(readl(i2c->regs + HSI2C_INT_STATUS),
i2c->regs + HSI2C_INT_STATUS);
int_status = readl(i2c->regs + HSI2C_INT_STATUS);
writel(int_status, i2c->regs + HSI2C_INT_STATUS);
readl(i2c->regs + HSI2C_INT_STATUS))