LOONGSON2_I2C_SR1_AF
if (status & LOONGSON2_I2C_SR1_AF) {
regmap_update_bits(priv->regmap, LOONGSON2_I2C_SR1, LOONGSON2_I2C_SR1_AF, 0);
(LOONGSON2_I2C_SR1_AF | LOONGSON2_I2C_SR1_ARLO | LOONGSON2_I2C_SR1_BERR)