From: Oliver Neukum <oliver-GvhC2dPhHPQdnm+yROfE0A@public.gmane.org>
To: "Ville Syrjälä" <syrjala-ORSVBvAovxo@public.gmane.org>
Cc: daniel.ritz-OI3hZJvNYWs@public.gmane.org,
Dmitry Torokhov
<dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Jiri Kosina <jkosina-AlSwsSmVLrQ@public.gmane.org>,
linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [rft]power management for usbtouch
Date: Fri, 27 Jun 2008 22:57:39 +0200 [thread overview]
Message-ID: <200806272257.41319.oliver@neukum.org> (raw)
In-Reply-To: <20080627205147.GI19430-ORSVBvAovxo@public.gmane.org>
Am Freitag 27 Juni 2008 22:51:47 schrieben Sie:
> > > Ah, so it resumes the device even if it was not autosuspended but
> > > suspended for another reason?
> >
> > The other reason is either system wide, in which case nobody can call open,
> > or it is forcibly suspended via sysfs, causing usb_submit_urb() to fail later
> > on.
>
> Which will also fail the open() itself. Isn't that bad? That is, you can
> suspend an already open device without the users the device noticing
> but you can't open it if you happen to suspend it at just the right time.
> That doesn't strike me as good behaviour for a driver.
Root can also unbind the driver. There is no behavior pleasing everybody.
Regards
Oliver
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next prev parent reply other threads:[~2008-06-27 20:57 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-26 13:57 [rft]power management for usbtouch Oliver Neukum
2008-06-26 14:45 ` Ville Syrjälä
[not found] ` <20080626144545.GF22310-ORSVBvAovxo@public.gmane.org>
2008-06-26 14:56 ` Oliver Neukum
[not found] ` <200806261656.06457.oliver-GvhC2dPhHPQdnm+yROfE0A@public.gmane.org>
2008-06-27 8:50 ` Oliver Neukum
2008-06-27 13:17 ` Ville Syrjälä
2008-06-27 16:10 ` Ville Syrjälä
[not found] ` <20080627161036.GE19430-ORSVBvAovxo@public.gmane.org>
2008-06-27 19:07 ` Oliver Neukum
2008-06-27 20:20 ` Ville Syrjälä
[not found] ` <20080627202027.GG19430-ORSVBvAovxo@public.gmane.org>
2008-06-27 20:41 ` Oliver Neukum
[not found] ` <200806272241.22513.oliver-GvhC2dPhHPQdnm+yROfE0A@public.gmane.org>
2008-06-27 20:51 ` Ville Syrjälä
[not found] ` <20080627205147.GI19430-ORSVBvAovxo@public.gmane.org>
2008-06-27 20:57 ` Oliver Neukum [this message]
2008-06-27 21:28 ` Ville Syrjälä
2008-06-28 10:52 ` Oliver Neukum
2008-06-28 11:22 ` Ville Syrjälä
[not found] ` <20080628112258.GK19430-ORSVBvAovxo@public.gmane.org>
2008-06-28 12:53 ` Oliver Neukum
2008-06-28 16:33 ` Alan Stern
2008-06-28 22:47 ` Oliver Neukum
[not found] ` <200806290047.56736.oliver-GvhC2dPhHPQdnm+yROfE0A@public.gmane.org>
2008-06-30 15:29 ` Dmitry Torokhov
2008-06-30 15:47 ` Alan Stern
2008-06-30 16:02 ` Dmitry Torokhov
[not found] ` <20080630115953.ZZRA012-NG0XCrj25/nJrYCpivWRnl5pS2h4L8biXqFh9Ls21Oc@public.gmane.org>
2008-06-30 16:16 ` Alan Stern
2008-06-30 16:30 ` Dmitry Torokhov
2008-06-30 16:58 ` Alan Stern
2008-06-30 22:46 ` Oliver Neukum
[not found] ` <200807010046.34219.oliver-GvhC2dPhHPQdnm+yROfE0A@public.gmane.org>
2008-07-01 7:59 ` Jiri Kosina
2008-07-01 9:08 ` Oliver Neukum
2008-07-01 12:56 ` Dmitry Torokhov
2008-07-01 15:00 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.0807011058340.2780-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2008-07-01 16:02 ` Dmitry Torokhov
[not found] ` <20080701085504.ZZRA012-NG0XCrj25/nJrYCpivWRnl5pS2h4L8biXqFh9Ls21Oc@public.gmane.org>
2008-07-01 16:57 ` Oliver Neukum
[not found] ` <200807011857.02259.oliver-GvhC2dPhHPQdnm+yROfE0A@public.gmane.org>
2008-07-01 17:39 ` Ville Syrjälä
2008-07-01 19:03 ` Alan Stern
2008-06-27 13:17 ` Ville Syrjälä
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