mrf24j40: Warn if transmit interrupts timeout

Issue a warning if a transmit complete interrupt doesn't happen in time.

Signed-off-by: Alan Ott <alan@signal11.us>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ieee802154/mrf24j40.c b/drivers/net/ieee802154/mrf24j40.c
index 3106895..582c0a3 100644 (file)
--- a/drivers/net/ieee802154/mrf24j40.c
+++ b/drivers/net/ieee802154/mrf24j40.c
@@ -362,6 +362,7 @@ static int mrf24j40_tx(struct ieee802154_dev *dev, struct sk_buff *skb)
        if (ret == -ERESTARTSYS)
                goto err;
        if (ret == 0) {
+               dev_warn(printdev(devrec), "Timeout waiting for TX interrupt\n");
                ret = -ETIMEDOUT;
                goto err;
        }