Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754438AbcDNIk4 (ORCPT ); Thu, 14 Apr 2016 04:40:56 -0400 Received: from pandora.arm.linux.org.uk ([78.32.30.218]:48110 "EHLO pandora.arm.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754402AbcDNIku (ORCPT ); Thu, 14 Apr 2016 04:40:50 -0400 Date: Thu, 14 Apr 2016 09:40:34 +0100 From: Russell King - ARM Linux To: Marek Szyprowski Cc: Greg Kroah-Hartman , linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Ulf Hansson , Krzysztof Kozlowski , Bartlomiej Zolnierkiewicz Subject: Re: [PATCH v7 1/2] drivers: base: add support for registering notifier about deferred probe Message-ID: <20160414084034.GR19428@n2100.arm.linux.org.uk> References: <1460540160-18762-1-git-send-email-m.szyprowski@samsung.com> <1460540160-18762-2-git-send-email-m.szyprowski@samsung.com> <20160413141254.GB12749@kroah.com> <570F4886.20203@samsung.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <570F4886.20203@samsung.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 612 Lines: 13 On Thu, Apr 14, 2016 at 09:36:38AM +0200, Marek Szyprowski wrote: > This CID/PID reading has to be done during device registration time because > of the already deployed userspace ABI. CID/PID values are reported to > userspace, which might rely on them to load proper driver modules. There is no "might" about it - the CID/PID are the way drivers get matched, and it's what is in the module device tables exported for modprobe/udev to use. -- RMK's Patch system: http://www.arm.linux.org.uk/developer/patches/ FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net.