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authorDavid Brownell <david-b@pacbell.net>2006-12-05 03:15:33 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2006-12-20 10:14:26 -0800
commit6bea476cf628eb7bb18a036ac6a8fed1ad319951 (patch)
tree1d73df1432d393ecf82c16604fa40f0f8a1aa581 /drivers/usb/gadget/net2280.c
parent5f8364b7d63acdc2216ca0f7d0a8557c318479ea (diff)
USB: gadget driver unbind() is optional; section fixes; misc
Allow gadget drivers to omit the unbind() method. When they're statically linked, that's an appropriate memory saving tweak. Similarly, provide consistent/simpler handling for a should-not-happen error case: removing a peripheral controller driver when a gadget driver is still loaded. Such code dates back to early versions of the first implementation of the gadget API, and has never been triggered. Includes relevant section annotation fixs for gmidi.c, file_storage.c, and serial.c; we don't yet have an "init or exit" annotation. Also some whitespace fixes in gmidi.c (space at EOL, before tabs, etc). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/gadget/net2280.c')
-rw-r--r--drivers/usb/gadget/net2280.c11
1 files changed, 2 insertions, 9 deletions
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index 3024c679e38..569eb8ccf23 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -2020,7 +2020,6 @@ int usb_gadget_register_driver (struct usb_gadget_driver *driver)
if (!driver
|| driver->speed != USB_SPEED_HIGH
|| !driver->bind
- || !driver->unbind
|| !driver->setup)
return -EINVAL;
if (!dev)
@@ -2107,7 +2106,7 @@ int usb_gadget_unregister_driver (struct usb_gadget_driver *driver)
if (!dev)
return -ENODEV;
- if (!driver || driver != dev->driver)
+ if (!driver || driver != dev->driver || !driver->unbind)
return -EINVAL;
spin_lock_irqsave (&dev->lock, flags);
@@ -2803,13 +2802,7 @@ static void net2280_remove (struct pci_dev *pdev)
{
struct net2280 *dev = pci_get_drvdata (pdev);
- /* start with the driver above us */
- if (dev->driver) {
- /* should have been done already by driver model core */
- WARN (dev, "pci remove, driver '%s' is still registered\n",
- dev->driver->driver.name);
- usb_gadget_unregister_driver (dev->driver);
- }
+ BUG_ON(dev->driver);
/* then clean up the resources we allocated during probe() */
net2280_led_shutdown (dev);