From: Alan Ott <alan@signal11.us>
Date: Mon, 18 Mar 2013 12:06:41 +0000 (+0000)
Subject: mrf24j40: Warn if transmit interrupts timeout
X-Git-Tag: upstream/snapshot3+hdmi~5164^2~429
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7a1c2318868615a522610c05192dbc9dd423647d;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

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
--- 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;
 	}