Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754294Ab3DLSnk (ORCPT ); Fri, 12 Apr 2013 14:43:40 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:39977 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753296Ab3DLSni (ORCPT ); Fri, 12 Apr 2013 14:43:38 -0400 Date: Fri, 12 Apr 2013 20:43:35 +0200 From: Pavel Machek To: dzu@denx.de, hjk@hansjkoch.de, gregkh@linuxfoundation.org, grant.likely@secretlab.ca, rob.herring@calxeda.com, linux-kernel@vger.kernel.org Subject: [PATCH] Allow binding drivers/uio/uio_pdrv_genirq.c to devices using command line option Message-ID: <20130412184335.GA5510@amd.pavel.ucw.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1291 Lines: 34 This adds ability to bind uio driver to given open firmware device using command line option. Thus, userspace driver can be developed and used without modifying the kernel. Signed-off-by: Pavel Machek diff --git a/drivers/uio/uio_pdrv_genirq.c b/drivers/uio/uio_pdrv_genirq.c index c122bca..8fcc2c7 100644 --- a/drivers/uio/uio_pdrv_genirq.c +++ b/drivers/uio/uio_pdrv_genirq.c @@ -264,9 +275,13 @@ static const struct dev_pm_ops uio_pdrv_genirq_dev_pm_ops = { #ifdef CONFIG_OF static const struct of_device_id uio_of_genirq_match[] = { - { /* empty for now */ }, + { /* This is filled with module_parm */ }, + { /* Sentinel */ }, }; MODULE_DEVICE_TABLE(of, uio_of_genirq_match); + +module_param_string(of_id, uio_of_genirq_match[0].compatible, 128, 0); +MODULE_PARM_DESC(of_id, "Openfirmware id of the device to be handled by uio"); #else # define uio_of_genirq_match NULL #endif -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/