From mboxrd@z Thu Jan 1 00:00:00 1970 From: Larry Finger Date: Thu, 02 May 2013 10:01:51 -0500 Subject: [PATCH] B43: Handle DMA RX descriptor underrun In-Reply-To: <20130502150603.2ac36385@milhouse> References: <20130502150603.2ac36385@milhouse> Message-ID: <51827FDF.3060406@lwfinger.net> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: =?ISO-8859-1?Q?Michael_B=FCsch?= Cc: Thommy Jakobsson , linville@tuxdriver.com, linux-wireless@vger.kernel.org, b43-dev@lists.infradead.org On 05/02/2013 08:06 AM, Michael B?sch wrote: > On Tue, 23 Apr 2013 21:45:11 +0200 (CEST) > Thommy Jakobsson wrote: > >> From: Thommy Jakobsson >> >> Add handling of rx descriptor underflow. This fixes a fault that could >> happen on slow machines, where data is received faster than the CPU can >> handle. In such a case the device will use up all rx descriptors and >> refuse to send any more data before confirming that it is ok. This >> patch enables necessary interrupt to discover such a situation and will >> handle them by dropping everything in the ring buffer. >> >> Reviewed-by: Michael Buesch >> Signed-off-by: Thommy Jakobsson >> Cc: stable > > Anybody interested in porting this to b43legacy (and testing)? Michael, I will take care of that. It may take a while due to other projects. Larry