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[WATCHDOG] at91rm9200_wdt.c: move probe function to .devinit.text

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A pointer to at91wdt_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@pengutronix.de>
Cc: Andrew Victor <linux@maxim.org.za>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Ilpo Jarvinen <ilpo.jarvinen@helsinki.fi>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Uwe Kleine-König 2009-03-28 00:26:26 +01:00 • committed by Wim Van Sebroeck
commit 47dec7c6c4
1 changed files with 3 additions and 3 deletions
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6
drivers/watchdog/at91rm9200_wdt.c
View file

@ -197,7 +197,7 @@ static struct miscdevice at91wdt_miscdev = {
.fops = &at91wdt_fops,
};
static int __init at91wdt_probe(struct platform_device *pdev)
static int __devinit at91wdt_probe(struct platform_device *pdev)
{
int res;
@ -214,7 +214,7 @@ static int __init at91wdt_probe(struct platform_device *pdev)
return 0;
}
static int __exit at91wdt_remove(struct platform_device *pdev)
static int __devexit at91wdt_remove(struct platform_device *pdev)
{
int res;
@ -252,7 +252,7 @@ static int at91wdt_resume(struct platform_device *pdev)
static struct platform_driver at91wdt_driver = {
.probe = at91wdt_probe,
.remove = __exit_p(at91wdt_remove),
.remove = __devexit_p(at91wdt_remove),
.shutdown = at91wdt_shutdown,
.suspend = at91wdt_suspend,
.resume = at91wdt_resume,