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-rw-r--r--drivers/i2c/busses/i2c-designware.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-designware.c b/drivers/i2c/busses/i2c-designware.c
index cb83671ff5fc..e6b1e6ece5d7 100644
--- a/drivers/i2c/busses/i2c-designware.c
+++ b/drivers/i2c/busses/i2c-designware.c
@@ -621,6 +621,13 @@ static irqreturn_t i2c_dw_isr(int this_irq, void *dev_id)
621 if (stat & DW_IC_INTR_TX_ABRT) { 621 if (stat & DW_IC_INTR_TX_ABRT) {
622 dev->cmd_err |= DW_IC_ERR_TX_ABRT; 622 dev->cmd_err |= DW_IC_ERR_TX_ABRT;
623 dev->status = STATUS_IDLE; 623 dev->status = STATUS_IDLE;
624
625 /*
626 * Anytime TX_ABRT is set, the contents of the tx/rx
627 * buffers are flushed. Make sure to skip them.
628 */
629 writel(0, dev->base + DW_IC_INTR_MASK);
630 goto tx_aborted;
624 } 631 }
625 632
626 if (stat & DW_IC_INTR_RX_FULL) 633 if (stat & DW_IC_INTR_RX_FULL)
@@ -635,6 +642,7 @@ static irqreturn_t i2c_dw_isr(int this_irq, void *dev_id)
635 * the current transmit status. 642 * the current transmit status.
636 */ 643 */
637 644
645tx_aborted:
638 if ((stat & (DW_IC_INTR_TX_ABRT | DW_IC_INTR_STOP_DET)) || dev->msg_err) 646 if ((stat & (DW_IC_INTR_TX_ABRT | DW_IC_INTR_STOP_DET)) || dev->msg_err)
639 complete(&dev->cmd_complete); 647 complete(&dev->cmd_complete);
640 648