linux-kernel - [PATCH 2/4] mrf24j40: Warn if transmit interrupts timeout

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Date:	Mon, 18 Mar 2013 18:06:41 -0400
From:	Alan Ott <alan@...nal11.us>
To:	linux-zigbee-devel@...ts.sourceforge.net, netdev@...r.kernel.org
Cc:	Alexander Smirnov <alex.bluesman.smirnov@...il.com>,
	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	linux-kernel@...r.kernel.org, Alan Ott <alan@...nal11.us>
Subject: [PATCH 2/4] 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@...nal11.us>
---
 drivers/net/ieee802154/mrf24j40.c | 1 +
 1 file changed, 1 insertion(+)

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;
 	}
-- 
1.7.11.2

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