usb HC busted?

[Sudip Mukherjee <sudipm.mukherjee@gmail.com>]

On Tue, Jul 17, 2018 at 05:52:59PM +0200, Greg KH wrote:
> On Tue, Jul 17, 2018 at 10:31:38AM -0400, Alan Stern wrote:
> > On Tue, 17 Jul 2018, Greg KH wrote:
> > 
> > > > From: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
> > > > Date: Tue, 10 Jul 2018 09:50:00 +0100
> > > > Subject: [PATCH] hacky solution to mem-corruption
> > > > 
> > > > Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
> > > > ---
<snip>
> > 
> > No, neither of these is right.  It's possible to use 
> > usb_set_interface() as a kind of "soft" reset.  Even when the new 
> > altsetting is specified to be the same as the current one, we still 
> > have to tell the lower-layer drivers and hardware about it.
> 
> You are right, it's a hacky soft reset, I was just trying to figure out
> what the bluetooth driver was trying to do.  I wouldn't expect it to be
> calling that function a lot, but I guess it does :(

usb_set_interface() is being called two times from bluetooth event. But
I am now adding more debugs to see why your patch did not work.
---
Regards
Sudip
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