On Wed, Oct 02, 2019 at 11:16:16PM +0000, John Stultz wrote: > From: Yu Chen <chenyu56@xxxxxxxxxx> > > This patch adds notifier for drivers want to be informed of the usb role > switch. Ick, I hate notifiers, they always come back to cause problems. What's just wrong with a "real" call to who ever needs to know this? And who does need to know this anyway? Like Hans said, if we don't have a user for it, we should not add it. thanks, greg k-h