On Mon, Sep 19, 2016 at 04:05:45PM +0930, Joel Stanley wrote:
> We can't halt the secondary HCD, because it's also the primary HCD,
> which will cause problems if we have devices attached to the primary
> HCD, like a keyboard.
> 
> We've been carrying this in our Linux-as-a-bootloader environment for a little
> while now. The machines all have the same TI TUSB73x0 part, and when we kexec
> the devices don't come back until a system power cycle.
> 
> I'd like some advice on an acceptable way to upstream the fix, so that the 
> xhci
> device survives kexec.

Any reason you didn't cc: Mathias?

And have you tried 4.8-rc kernels?  I thought we just fixed an issue
around secondary HCDs...

thanks,

greg k-h

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