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drivers/base: Platform notify needs to occur before drivers attach to the device

The platform_notify call for Arm and PPC architectures needs to be called
before the driver attaches to the device.  The problem only presents itself
when hotplugging certain devices while the driver is already loaded.

Signed-off-by: Brian Walsh <brian@walsh.ws>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Brian Walsh 19 vuotta sitten
vanhempi
commit
370226449c
1 muutettua tiedostoa jossa 4 lisäystä ja 4 poistoa
  1. 4 4
      drivers/base/core.c

+ 4 - 4
drivers/base/core.c

@@ -424,6 +424,10 @@ int device_add(struct device *dev)
 	if ((error = kobject_add(&dev->kobj)))
 		goto Error;
 
+	/* notify platform of device entry */
+	if (platform_notify)
+		platform_notify(dev);
+
 	dev->uevent_attr.attr.name = "uevent";
 	dev->uevent_attr.attr.mode = S_IWUSR;
 	if (dev->driver)
@@ -488,10 +492,6 @@ int device_add(struct device *dev)
 				class_intf->add_dev(dev, class_intf);
 		up(&dev->class->sem);
 	}
-
-	/* notify platform of device entry */
-	if (platform_notify)
-		platform_notify(dev);
  Done:
  	kfree(class_name);
 	put_device(dev);