diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-qup.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-qup.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/i2c/busses/i2c-qup.c b/drivers/i2c/busses/i2c-qup.c index 69849a95d479e..686f262e34f7d 100644 --- a/drivers/i2c/busses/i2c-qup.c +++ b/drivers/i2c/busses/i2c-qup.c @@ -213,14 +213,16 @@ static irqreturn_t qup_i2c_interrupt(int irq, void *dev) bus_err &= I2C_STATUS_ERROR_MASK; qup_err &= QUP_STATUS_ERROR_FLAGS; - if (qup_err) { - /* Clear Error interrupt */ + /* Clear the error bits in QUP_ERROR_FLAGS */ + if (qup_err) writel(qup_err, qup->base + QUP_ERROR_FLAGS); - goto done; - } - if (bus_err) { - /* Clear Error interrupt */ + /* Clear the error bits in QUP_I2C_STATUS */ + if (bus_err) + writel(bus_err, qup->base + QUP_I2C_STATUS); + + /* Reset the QUP State in case of error */ + if (qup_err || bus_err) { writel(QUP_RESET_STATE, qup->base + QUP_STATE); goto done; } |