On Wed, Dec 11, 2002 at 11:41:24PM +0100, Oliver Neukum wrote:
>  
>  /* used when updating list of hcds */
> -DECLARE_MUTEX (usb_bus_list_lock);   /* exported only for usbfs */
> -EXPORT_SYMBOL_GPL (usb_bus_list_lock);
> +DECLARE_RWSEM (usb_topology_lock);   /* exported only for usbfs */
> +EXPORT_SYMBOL_GPL (usb_topology_lock);

No, don't change this to a rwlock.  It isn't needed.  I changed this a
long time ago to a simple semaphore and it should be kept that way.

So without the type change, and the name change, this just adds a few
places in usb.c to protect the list some more?

thanks,

greg k-h


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