Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755882AbZGUUqp (ORCPT ); Tue, 21 Jul 2009 16:46:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755570AbZGUUqo (ORCPT ); Tue, 21 Jul 2009 16:46:44 -0400 Received: from metis.ext.pengutronix.de ([92.198.50.35]:54619 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755476AbZGUUqn (ORCPT ); Tue, 21 Jul 2009 16:46:43 -0400 From: =?utf-8?q?Uwe=20Kleine-K=C3=B6nig?= To: linux-kernel@vger.kernel.org Cc: Lennert Buytenhek , Saeed Bishara , =?utf-8?q?J=C3=B6rn=20Engel?= , Nicolas Pitre , Tzachi Perelstein , Andrew Morton , Greg Kroah-Hartman , David Woodhouse , linux-mtd@lists.infradead.org Subject: [PATCH] register orion_nand using platform_driver_probe Date: Tue, 21 Jul 2009 22:46:36 +0200 Message-Id: <1248209196-15705-1-git-send-email-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 1.6.3.3 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 2001:6f8:1178:2:215:17ff:fe12:23b0 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2059 Lines: 53 orion_nand_probe lives in .init.text, so using platform_driver_register to register it is wrong because binding a device after the init memory is discarded (e.g. via sysfs) results in an oops. As requested by Nicolas Pitre platform_driver_probe is used instead of moving the probe function to .devinit.text as proposed initially. This saves some memory, but devices registered after the driver is probed are not bound (probably there are none) and binding via sysfs isn't possible. Signed-off-by: Uwe Kleine-König Cc: Lennert Buytenhek Cc: Saeed Bishara Cc: Jörn Engel Cc: Nicolas Pitre Cc: Tzachi Perelstein Cc: Andrew Morton Cc: Greg Kroah-Hartman Cc: David Woodhouse Cc: linux-mtd@lists.infradead.org --- drivers/mtd/nand/orion_nand.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c index 7ad9722..cb9d13b 100644 --- a/drivers/mtd/nand/orion_nand.c +++ b/drivers/mtd/nand/orion_nand.c @@ -171,7 +171,6 @@ static int __devexit orion_nand_remove(struct platform_device *pdev) } static struct platform_driver orion_nand_driver = { - .probe = orion_nand_probe, .remove = __devexit_p(orion_nand_remove), .driver = { .name = "orion_nand", @@ -181,7 +180,7 @@ static struct platform_driver orion_nand_driver = { static int __init orion_nand_init(void) { - return platform_driver_register(&orion_nand_driver); + return platform_driver_probe(&orion_nand_driver, orion_nand_probe); } static void __exit orion_nand_exit(void) -- tg: (4b0a840..) t/platsection/orion_nand_driver (depends on: linus/master) -- 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/