diff options
Diffstat (limited to 'drivers/nfc/trf7970a.c')
| -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 b67946c18b40..e7f22a44dc52 100644 --- a/drivers/nfc/trf7970a.c +++ b/drivers/nfc/trf7970a.c @@ -1120,6 +1120,7 @@ static int trf7970a_in_send_cmd(struct nfc_digital_dev *ddev, char *prefix; unsigned int len; int ret; + u8 status; dev_dbg(trf->dev, "New request - state: %d, timeout: %d ms, len: %d\n", trf->state, timeout, skb->len); @@ -1195,6 +1196,11 @@ static int trf7970a_in_send_cmd(struct nfc_digital_dev *ddev, len = min_t(int, skb->len, TRF7970A_FIFO_SIZE); + /* Clear possible spurious interrupt */ + ret = trf7970a_read_irqstatus(trf, &status); + if (ret) + goto out_err; + ret = trf7970a_transmit(trf, skb, len); if (ret) { kfree_skb(trf->rx_skb); |