linux-kernel - Re: [PATCH] net: qca_spi: fix transmit queue timeout handling

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Message-Id: <20151206.120302.2006082903411506223.davem@davemloft.net>
Date:	Sun, 06 Dec 2015 12:03:02 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	stefan.wahren@...e.com
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Subject: Re: [PATCH] net: qca_spi: fix transmit queue timeout handling

From: Stefan Wahren <stefan.wahren@...e.com>
Date: Fri,  4 Dec 2015 16:29:10 +0100

> In case of a tx queue timeout every transmit is blocked until the
> QCA7000 resets himself and triggers a sync which makes the driver
> flushs the tx ring. So avoid this blocking situation by triggering
> the sync immediately after the timeout. Waking the queue doesn't
> make sense in this situation.
> 
> Signed-off-by: Stefan Wahren <stefan.wahren@...e.com>
> Fixes: 291ab06ecf67 ("net: qualcomm: new Ethernet over SPI driver for QCA7000")

Applied and queued up for -stable.
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