ASPEED_I2C_INTR_CTRL_REG
writel(0, bus->base + ASPEED_I2C_INTR_CTRL_REG);
writel(0, bus->base + ASPEED_I2C_INTR_CTRL_REG);
writel(ASPEED_I2CD_INTR_ALL, bus->base + ASPEED_I2C_INTR_CTRL_REG);
writel(0, bus->base + ASPEED_I2C_INTR_CTRL_REG);