From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aleksei Mamlin Subject: Re: State of the i2c-piix4 driver Date: Thu, 12 May 2016 07:53:25 +0000 (UTC) Message-ID: References: <20160308151341.48eb3f41@endymion> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: Received: from plane.gmane.org ([80.91.229.3]:58570 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752083AbcELHzI (ORCPT ); Thu, 12 May 2016 03:55:08 -0400 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1b0lSb-0005sf-To for linux-i2c@vger.kernel.org; Thu, 12 May 2016 09:55:06 +0200 Received: from mail2.teploobmennik.ru ([95.79.26.27]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 12 May 2016 09:55:05 +0200 Received: from mamlinav by mail2.teploobmennik.ru with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 12 May 2016 09:55:05 +0200 Sender: linux-i2c-owner@vger.kernel.org List-Id: linux-i2c@vger.kernel.org To: linux-i2c@vger.kernel.org Jean Delvare suse.de> writes: > > 5* The I/O ports used for SMBus configuration and port switching are > also needed by a watchdog driver, sp5100_tco. Both drivers request the > region, so the first one wins, and the other driver can't be loaded. > sp5100_tco was there first, so the changes done to the i2c-piix4 driver > recently will cause a regression for some users by preventing them > from using the sp5100_tco and i2c-piix4 drivers at the same time. In > the long run I guess we will need a helper module to handle this shared > resource. Unless IORESOURCE_MUXED can be used for that. Either way, > that's more work than I can put into this before kernel v4.5 is > released. For the time being, I think we should simply make it > non-fatal if the I/O ports can't be requested, and continue without > multiplexing (as before.) > Hi Jean Have you any progress with 5*? I have the same HP MicroServer G7 as Christian and it would be nice to have both i2c and watchdog working at same time.