Messages in this thread | | | Date | Wed, 6 Nov 2013 12:45:23 -0800 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH] usb: hub: Use correct reset for wedged USB3 devices that are NOTATTACHED |
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On Wed, Nov 06, 2013 at 12:27:21PM -0800, Julius Werner wrote: > This patch adds a check for USB_STATE_NOTATTACHED to the > hub_port_warm_reset_required() workaround for ports that end up in > Compliance Mode in hub_events() when trying to decide which reset > function to use. Trying to call usb_reset_device() with a NOTATTACHED > device will just fail and leave the port broken.
Who makes those calls, drivers? Any specific ones that you know need to be fixed?
> Also bumped the messages about this kind of reset failure from dev_dbg() > to dev_warn() to make it easier to notice, since calling that function > with a NOTATTACHED device would almost always be a bug
But what can a user do if those messages show up?
thanks,
greg k-h
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