diff options
| -rw-r--r-- | drivers/i2c/busses/i2c-designware.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-designware.c b/drivers/i2c/busses/i2c-designware.c index 4534d4554ff4..9e18ef97f156 100644 --- a/drivers/i2c/busses/i2c-designware.c +++ b/drivers/i2c/busses/i2c-designware.c | |||
| @@ -496,13 +496,18 @@ static int i2c_dw_handle_tx_abort(struct dw_i2c_dev *dev) | |||
| 496 | unsigned long abort_source = dev->abort_source; | 496 | unsigned long abort_source = dev->abort_source; |
| 497 | int i; | 497 | int i; |
| 498 | 498 | ||
| 499 | if (abort_source & DW_IC_TX_ABRT_NOACK) { | ||
| 500 | for_each_bit(i, &abort_source, ARRAY_SIZE(abort_sources)) | ||
| 501 | dev_dbg(dev->dev, | ||
| 502 | "%s: %s\n", __func__, abort_sources[i]); | ||
| 503 | return -EREMOTEIO; | ||
| 504 | } | ||
| 505 | |||
| 499 | for_each_bit(i, &abort_source, ARRAY_SIZE(abort_sources)) | 506 | for_each_bit(i, &abort_source, ARRAY_SIZE(abort_sources)) |
| 500 | dev_err(dev->dev, "%s: %s\n", __func__, abort_sources[i]); | 507 | dev_err(dev->dev, "%s: %s\n", __func__, abort_sources[i]); |
| 501 | 508 | ||
| 502 | if (abort_source & DW_IC_TX_ARB_LOST) | 509 | if (abort_source & DW_IC_TX_ARB_LOST) |
| 503 | return -EAGAIN; | 510 | return -EAGAIN; |
| 504 | else if (abort_source & DW_IC_TX_ABRT_NOACK) | ||
| 505 | return -EREMOTEIO; | ||
| 506 | else if (abort_source & DW_IC_TX_ABRT_GCALL_READ) | 511 | else if (abort_source & DW_IC_TX_ABRT_GCALL_READ) |
| 507 | return -EINVAL; /* wrong msgs[] data */ | 512 | return -EINVAL; /* wrong msgs[] data */ |
| 508 | else | 513 | else |
