linux-kernel - [PATCH 53/58] move omap_udc's probe function to .devinit.text

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Message-Id: <1238196439-16535-53-git-send-email-u.kleine-koenig@pengutronix.de>
Date:	Sat, 28 Mar 2009 00:27:14 +0100
From:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
To:	linux-kernel@...r.kernel.org
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Philipp Zabel <philipp.zabel@...il.com>,
	David Brownell <dbrownell@...rs.sourceforge.net>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Tony Lindgren <tony@...mide.com>,
	Russell King <rmk@....linux.org.uk>,
	Dmitry Baryshkov <dbaryshkov@...il.com>
Subject: [PATCH 53/58] move omap_udc's probe function to .devinit.text

A pointer to omap_udc_probe 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 <u.kleine-koenig@...gutronix.de>
Cc: Philipp Zabel <philipp.zabel@...il.com>
Cc: David Brownell <dbrownell@...rs.sourceforge.net>
Cc: Greg Kroah-Hartman <gregkh@...e.de>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Tony Lindgren <tony@...mide.com>
Cc: Russell King <rmk@....linux.org.uk>
Cc: Dmitry Baryshkov <dbaryshkov@...il.com>
---
 drivers/usb/gadget/omap_udc.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c
index 57d9641..17755f5 100644
--- a/drivers/usb/gadget/omap_udc.c
+++ b/drivers/usb/gadget/omap_udc.c
@@ -2800,7 +2800,7 @@ omap_udc_setup(struct platform_device *odev, struct otg_transceiver *xceiv)
 	return 0;
 }
 
-static int __init omap_udc_probe(struct platform_device *pdev)
+static int __devinit omap_udc_probe(struct platform_device *pdev)
 {
 	int			status = -ENODEV;
 	int			hmc;
-- 
1.6.2

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