Many thanks,
Vincent
Greg KH wrote:
Ok, below is the patch. I've only compile tested it, not run it yet. Please let me know if it works for you or not.
thanks,
greg k-h
===== hcd.c 1.123 vs edited =====
--- 1.123/drivers/usb/core/hcd.c Sun Dec 7 04:29:05 2003
+++ edited/hcd.c Wed Dec 10 13:06:19 2003
@@ -588,6 +588,9 @@
if (bus->release)
bus->release(bus);
+ /* FIXME change this when the driver core gets the
+ * class_device_unregister_wait() call */
+ complete(&bus->released);
}
static struct class usb_host_class = {
@@ -724,7 +727,11 @@
clear_bit (bus->busnum, busmap.busmap);
+ /* FIXME change this when the driver core gets the
+ * class_device_unregister_wait() call */
+ init_completion(&bus->released);
class_device_unregister(&bus->class_dev);
+ wait_for_completion(&bus->released);
}
EXPORT_SYMBOL (usb_deregister_bus);
===== usb.h 1.164 vs edited =====
--- 1.164/include/linux/usb.h Mon Oct 6 10:46:13 2003
+++ edited/usb.h Wed Dec 10 13:07:27 2003
@@ -210,6 +210,8 @@
struct class_device class_dev; /* class device for this bus */
void (*release)(struct usb_bus *bus); /* function to destroy this bus's memory */
+ /* FIXME, remove this when the driver core gets class_device_unregister_wait */
+ struct completion released;
};
#define to_usb_bus(d) container_of(d, struct usb_bus, class_dev)
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