On Wed, Sep 21, 2016 at 11:25:37AM -0400, Alan Stern wrote:
> A warning message that was recently added to the PM core has alerted
> us to a potential problem in usb-storage.  Although the USB interface
> is in the runtime active state when the probe routine starts, until
> the runtime-PM usage count is incremented nothing forces it to remain
> active.  The increment doesn't happen until after scsi_add_host() is
> called, and that call causes the interface to go into runtime suspend.
> Although this hasn't caused anything to go wrong for anyone, as far as
> I know, it still is a bug.
> To prevent this from happening, move the existing call to
> usb_autopm_get_interface_no_resume() up from its current position to
> before scsi_add_host() is called.
> Signed-off-by: Alan Stern <st...@rowland.harvard.edu>
> Reported-by: Carsten Mattner <carstenmatt...@gmail.com>
> Tested-by: Carsten Mattner <carstenmatt...@gmail.com>
> CC: <sta...@vger.kernel.org>

It's a bit late for 4.8 for this, can we wait for 4.9-rc1?

This doesn't apply to my usb-next branch, so things have changed in this
area, did they solve the issue already?


greg k-h
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