diff options
| -rw-r--r-- | drivers/nfc/trf7970a.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c index 8a13daf97747..e9e961fe6756 100644 --- a/drivers/nfc/trf7970a.c +++ b/drivers/nfc/trf7970a.c @@ -580,6 +580,12 @@ static void trf7970a_fill_fifo(struct trf7970a *trf) /* Calculate how much more data can be written to the fifo */ len = TRF7970A_FIFO_SIZE - fifo_bytes; + if (!len) { + schedule_delayed_work(&trf->timeout_work, + msecs_to_jiffies(TRF7970A_WAIT_FOR_FIFO_DRAIN_TIMEOUT)); + return; + } + len = min(skb->len, len); prefix = TRF7970A_CMD_BIT_CONTINUOUS | TRF7970A_FIFO_IO_REGISTER; |