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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2009-03-28 00:26:26 +0100
committerWim Van Sebroeck <wim@iguana.be>2009-04-08 06:12:46 +0000
commit47dec7c6c48a12bdacdf5f935f10f44e66d9c98c (patch)
treec10c8e2edcdda58e4a9029b4fd316798fe33a2a7 /drivers/watchdog
parentb8f75b0d79671cb53d94e4ddd1db89502a7dc90e (diff)
downloadlinux-47dec7c6c48a12bdacdf5f935f10f44e66d9c98c.tar.bz2
[WATCHDOG] at91rm9200_wdt.c: move probe function to .devinit.text
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>
Diffstat (limited to 'drivers/watchdog')
-rw-r--r--drivers/watchdog/at91rm9200_wdt.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/watchdog/at91rm9200_wdt.c b/drivers/watchdog/at91rm9200_wdt.c
index e35d54589232..29e52c237a3b 100644
--- a/drivers/watchdog/at91rm9200_wdt.c
+++ b/drivers/watchdog/at91rm9200_wdt.c
@@ -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,