From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oliver Hartkopp Subject: Re: [PATCH v2] can: sja1000 fix isr hang when hw is unplugged under load Date: Tue, 21 Feb 2012 09:07:23 +0100 Message-ID: <4F4350BB.4090408@hartkopp.net> References: <1318506157-10329-1-git-send-email-mkl@pengutronix.de> <4F3BE2AC.9020108@hartkopp.net> <4F3EB82C.7080905@pengutronix.de> <4F3FB389.7050104@hartkopp.net> <4F422841.3070901@pengutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mo-p00-ob.rzone.de ([81.169.146.161]:8537 "EHLO mo-p00-ob.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752053Ab2BUIH1 (ORCPT ); Tue, 21 Feb 2012 03:07:27 -0500 In-Reply-To: <4F422841.3070901@pengutronix.de> Sender: linux-can-owner@vger.kernel.org List-ID: To: Marc Kleine-Budde Cc: linux-can@vger.kernel.org On 20.02.2012 12:02, Marc Kleine-Budde wrote: > On 02/18/2012 03:19 PM, Oliver Hartkopp wrote: >>>> In the case of hotplug enabled devices (PCMCIA/PCIeC) the removal of the >>>> hardware can cause an infinite loop in the common sja1000 isr. >>>> >>>> Use the already retrieved status register to indicate a possible hardware >>>> removal and double check by reading the mode register in sja1000_is_absent. >>>> >>>> v2: Create a new function to not print information in irq context. >>>> >>>> Signed-off-by: Oliver Hartkopp > >> Indeed it should go into stable 3.2 too, as it was the first kernel, where the >> EMS PCMCIA driver was integrated. > > I just send it to David, including Cc to stable and Wolfgang's Acked-by. Are you sure you sent it CC to stable? Didn't see that in the mail. Regards, Oliver