linux-kernel - [PATCH 24/58] move ks8695_wdt's probe function to .devinit.text

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Date:	Sat, 28 Mar 2009 00:26:45 +0100
From:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
To:	linux-kernel@...r.kernel.org
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Alexey Dobriyan <adobriyan@...il.com>,
	Wim Van Sebroeck <wim@...ana.be>, Alan Cox <alan@...hat.com>
Subject: [PATCH 24/58] move ks8695_wdt's probe function to .devinit.text

A pointer to ks8695wdt_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: Alexey Dobriyan <adobriyan@...il.com>
Cc: Wim Van Sebroeck <wim@...ana.be>
Cc: Alan Cox <alan@...hat.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
---
 drivers/watchdog/ks8695_wdt.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/watchdog/ks8695_wdt.c b/drivers/watchdog/ks8695_wdt.c
index 74c92d3..cdbb36a 100644
--- a/drivers/watchdog/ks8695_wdt.c
+++ b/drivers/watchdog/ks8695_wdt.c
@@ -221,7 +221,7 @@ static struct miscdevice ks8695wdt_miscdev = {
 	.fops		= &ks8695wdt_fops,
 };
 
-static int __init ks8695wdt_probe(struct platform_device *pdev)
+static int __devinit ks8695wdt_probe(struct platform_device *pdev)
 {
 	int res;
 
-- 
1.6.2

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