diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-designware.c')
-rw-r--r-- | drivers/i2c/busses/i2c-designware.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-designware.c b/drivers/i2c/busses/i2c-designware.c index f184d822d3d4..6acbe846e9c6 100644 --- a/drivers/i2c/busses/i2c-designware.c +++ b/drivers/i2c/busses/i2c-designware.c | |||
@@ -415,12 +415,17 @@ i2c_dw_xfer_msg(struct dw_i2c_dev *dev) | |||
415 | /* more bytes to be written */ | 415 | /* more bytes to be written */ |
416 | dev->status |= STATUS_WRITE_IN_PROGRESS; | 416 | dev->status |= STATUS_WRITE_IN_PROGRESS; |
417 | break; | 417 | break; |
418 | } else { | 418 | } else |
419 | dev->status &= ~STATUS_WRITE_IN_PROGRESS; | 419 | dev->status &= ~STATUS_WRITE_IN_PROGRESS; |
420 | intr_mask &= ~DW_IC_INTR_TX_EMPTY; | ||
421 | } | ||
422 | } | 420 | } |
423 | 421 | ||
422 | /* | ||
423 | * If i2c_msg index search is completed, we don't need TX_EMPTY | ||
424 | * interrupt any more. | ||
425 | */ | ||
426 | if (dev->msg_write_idx == dev->msgs_num) | ||
427 | intr_mask &= ~DW_IC_INTR_TX_EMPTY; | ||
428 | |||
424 | writel(intr_mask, dev->base + DW_IC_INTR_MASK); | 429 | writel(intr_mask, dev->base + DW_IC_INTR_MASK); |
425 | } | 430 | } |
426 | 431 | ||