linux-kernel - Re: [PATCH v6 1/4] net: moxa: clear DESC1 on ndo_start

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Message-Id: <20140825.172558.1917292824044947963.davem@davemloft.net>
Date:	Mon, 25 Aug 2014 17:25:58 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jonas.jensen@...il.com
Cc:	netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, f.fainelli@...il.com,
	eric.dumazet@...il.com, mirqus@...il.com
Subject: Re: [PATCH v6 1/4] net: moxa: clear DESC1 on ndo_start_xmit()

From: Jonas Jensen <jonas.jensen@...il.com>
Date: Mon, 25 Aug 2014 16:22:11 +0200

> TX buffer length is not cleared on ndo_start_xmit().
> Failing to do so can bug/hang the controller and
> cause TX interrupts to stop altogether.
> 
> Remove the readl() and compute a new value for DESC1.
> 
> Addresses https://bugzilla.kernel.org/show_bug.cgi?id=69031
> 
> Signed-off-by: Jonas Jensen <jonas.jensen@...il.com>

Applied.
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