diff options
| -rw-r--r-- | drivers/i2c/busses/i2c-aspeed.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c index 2845e700db52..09cd68c2afee 100644 --- a/drivers/i2c/busses/i2c-aspeed.c +++ b/drivers/i2c/busses/i2c-aspeed.c @@ -896,10 +896,13 @@ static u32 aspeed_i2c_master_irq(struct aspeed_i2c_bus *bus, u32 irq_status) irq_handled |= (irq_status & ASPEED_I2CD_INTR_MASTER_ERRORS); if (bus->master_state != ASPEED_I2C_MASTER_INACTIVE) { bus->cmd_err = ret; - bus->master_state = ASPEED_I2C_MASTER_INACTIVE; + if (bus->master_state == ASPEED_I2C_MASTER_STOP) + irq_handled |= (irq_status & + ASPEED_I2CD_INTR_NORMAL_STOP); if (ret == -EAGAIN) irq_handled |= (irq_status & ASPEED_I2CD_INTR_TX_ACK); + bus->master_state = ASPEED_I2C_MASTER_INACTIVE; goto out_complete; } } @@ -1098,9 +1101,14 @@ static irqreturn_t aspeed_i2c_bus_irq(int irq, void *dev_id) } else { irq_handled = aspeed_i2c_slave_irq(bus, irq_remaining); irq_remaining &= ~irq_handled; - if (irq_remaining) + if (irq_remaining) { irq_handled |= aspeed_i2c_master_irq(bus, irq_remaining); + if (bus->master_state == ASPEED_I2C_MASTER_INACTIVE && + bus->slave_state == ASPEED_I2C_SLAVE_INACTIVE) + irq_handled |= (irq_remaining & + ASPEED_I2CD_INTR_NORMAL_STOP); + } } /* |