[v2] usb: warm-reset ports on hub resume, if requested

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Wed, Jan 16, 2019 at 05:06:33PM +0100, Jan-Marek Glogowski wrote:
> On plug-in of my USB-C device, its USB_SS_PORT_LS_SS_INACTIVE
> link state bit is set. Greping all the kernel for this bit shows
> that the port status requests a warm-reset this way.
> 
> This just happens, if its the only device on that hub and the
> hub resumes, so we don't call port_event, which would otherwise
> warm-reset ports. The device works ok without this patch, if
> there is already any other device connected to the hub.
> 
> Signed-off-by: Jan-Marek Glogowski <glogow@fbihome.de>
> ---
>  drivers/usb/core/hub.c | 21 +++++++++++++++------
>  1 file changed, 15 insertions(+), 6 deletions(-)

What changed from v1?  Always put that below the --- line, as the
documentation asks you to do.

v3 please?

thanks,

greg k-h