From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932957Ab0BDT5N (ORCPT ); Thu, 4 Feb 2010 14:57:13 -0500 Received: from metis.ext.pengutronix.de ([92.198.50.35]:42555 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932779Ab0BDT5G (ORCPT ); Thu, 4 Feb 2010 14:57:06 -0500 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= To: Greg KH , linux-kernel@vger.kernel.org Cc: Andrew Morton , Arnaud Patard , Ben Dooks , Dmitry Baryshkov , Eric Miao , Kristoffer Ericson , Liam Girdwood , Paul Sokolovsky , Richard Purdie , Russell King Subject: [PATCH 1/9] platform-drivers: move probe to .devinit.text in arch/arm Date: Thu, 4 Feb 2010 20:56:49 +0100 Message-Id: <1265313417-5568-1-git-send-email-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 1.6.6 In-Reply-To: <20100203150850.GA28815@kroah.com> References: <20100203150850.GA28815@kroah.com> 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 A pointer to a probe callback is passed to the core via platform_driver_register and so the function must not disappear when the .init sections are discarded. Otherwise (if also having HOTPLUG=y) unbinding and binding a device to the driver via sysfs will result in an oops as does a device being registered late. An alternative to this patch is using platform_driver_probe instead of platform_driver_register plus removing the pointer to the probe function from the struct platform_driver. Signed-off-by: Uwe Kleine-König Cc: Andrew Morton Cc: Arnaud Patard Cc: Ben Dooks Cc: Dmitry Baryshkov Cc: Eric Miao Cc: Kristoffer Ericson Cc: Liam Girdwood Cc: Paul Sokolovsky Cc: Richard Purdie Cc: Russell King --- arch/arm/mach-pxa/corgi_ssp.c | 2 +- arch/arm/mach-pxa/sharpsl_pm.c | 2 +- arch/arm/mach-s3c2410/h1940-bluetooth.c | 2 +- arch/arm/mach-sa1100/jornada720_ssp.c | 2 +- 4 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm/mach-pxa/corgi_ssp.c b/arch/arm/mach-pxa/corgi_ssp.c index a5ee707..1d9bc11 100644 --- a/arch/arm/mach-pxa/corgi_ssp.c +++ b/arch/arm/mach-pxa/corgi_ssp.c @@ -204,7 +204,7 @@ void __init corgi_ssp_set_machinfo(struct corgissp_machinfo *machinfo) ssp_machinfo = machinfo; } -static int __init corgi_ssp_probe(struct platform_device *dev) +static int __devinit corgi_ssp_probe(struct platform_device *dev) { int ret; diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c index 67229a1..463d874 100644 --- a/arch/arm/mach-pxa/sharpsl_pm.c +++ b/arch/arm/mach-pxa/sharpsl_pm.c @@ -900,7 +900,7 @@ static struct platform_suspend_ops sharpsl_pm_ops = { }; #endif -static int __init sharpsl_pm_probe(struct platform_device *pdev) +static int __devinit sharpsl_pm_probe(struct platform_device *pdev) { int ret; diff --git a/arch/arm/mach-s3c2410/h1940-bluetooth.c b/arch/arm/mach-s3c2410/h1940-bluetooth.c index b7d1f8d..a3f3c7b 100644 --- a/arch/arm/mach-s3c2410/h1940-bluetooth.c +++ b/arch/arm/mach-s3c2410/h1940-bluetooth.c @@ -56,7 +56,7 @@ static const struct rfkill_ops h1940bt_rfkill_ops = { .set_block = h1940bt_set_block, }; -static int __init h1940bt_probe(struct platform_device *pdev) +static int __devinit h1940bt_probe(struct platform_device *pdev) { struct rfkill *rfk; int ret = 0; diff --git a/arch/arm/mach-sa1100/jornada720_ssp.c b/arch/arm/mach-sa1100/jornada720_ssp.c index 506a5e5..9b6dee5 100644 --- a/arch/arm/mach-sa1100/jornada720_ssp.c +++ b/arch/arm/mach-sa1100/jornada720_ssp.c @@ -130,7 +130,7 @@ void jornada_ssp_end(void) }; EXPORT_SYMBOL(jornada_ssp_end); -static int __init jornada_ssp_probe(struct platform_device *dev) +static int __devinit jornada_ssp_probe(struct platform_device *dev) { int ret; -- 1.6.6