diff options
| -rw-r--r-- | drivers/i2c/busses/i2c-designware.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-designware.c b/drivers/i2c/busses/i2c-designware.c index 0eea0dd35895..940bbf31bc8c 100644 --- a/drivers/i2c/busses/i2c-designware.c +++ b/drivers/i2c/busses/i2c-designware.c @@ -342,7 +342,7 @@ i2c_dw_xfer_msg(struct dw_i2c_dev *dev) u32 addr = msgs[dev->msg_write_idx].addr; u32 buf_len = dev->tx_buf_len; - intr_mask = DW_IC_INTR_STOP_DET | DW_IC_INTR_TX_ABRT; + intr_mask = DW_IC_INTR_STOP_DET | DW_IC_INTR_TX_ABRT | DW_IC_INTR_RX_FULL; if (!(dev->status & STATUS_WRITE_IN_PROGRESS)) { /* Disable the adapter */ @@ -593,10 +593,11 @@ static irqreturn_t i2c_dw_isr(int this_irq, void *dev_id) dev->status = STATUS_IDLE; } - if (stat & DW_IC_INTR_TX_EMPTY) { + if (stat & DW_IC_INTR_RX_FULL) i2c_dw_read(dev); + + if (stat & DW_IC_INTR_TX_EMPTY) i2c_dw_xfer_msg(dev); - } /* * No need to modify or disable the interrupt mask here. |