On Fri, Jan 08, 2016 at 02:05:18PM -0200, Fabio Estevam wrote:
> On Fri, Jan 8, 2016 at 1:55 PM, Fabio Estevam <festevam@xxxxxxxxx> wrote:
> > Hi Peter,
> >
> > Since commit 1f874edcb7318 ("usb: chipidea: add runtime power
> > management support") we see the following messages after doing a
> > 'halt' or 'reboot' command:
> >
> > Requesting system halt
> > [ 16.095090] ci_hdrc ci_hdrc.1: remove, state 1
> > [ 16.100453] usb usb1: USB disconnect, device number 1
> > [ 16.105558] usb 1-1: USB disconnect, device number 2
> > [ 16.143356] ci_hdrc ci_hdrc.1: USB bus 1 deregistered
> > [ 16.164063] reboot: System halted
> >
> > Are these remove/disconnect messages normal/expected?
> >
> > Should we adjust the pm_runtime calls inside ci_hdrc_remove()?
>
> Correction: these messages are not caused by 1f874edcb7318.
>
> It happens in linux-next, but not in 4.4-rc8 running on a mx6qsabresd.
Hi Fabio, it is expected since we will remove the device at
platform_driver->shutdown.
--
Best Regards,
Peter Chen
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