SMBALERT_INTR_MASK
(SMBALERT_INTR_MASK | I2C_BUF_MSTR_INTR_MASK | I2C_INTR_MASK | \
if (reg1 & SMBALERT_INTR_MASK) {
pci1xxxx_ack_high_level_intr(i2c, SMBALERT_INTR_MASK);