On Thu, 29 Nov 2007, Mark Lord wrote:
> Alan Stern wrote:
> > On Thu, 29 Nov 2007, Raymano Garibaldi wrote:
> >
> >> The feature does work as long as the device remains plugged in and
> >> that is what I have said in my previous postings too. What I'm saying
> >> that should work and worked under 2.6.21 and is not working currently
> >> is the ability to unplug and plug back in the device while the
> >> computer is suspended before resuming without losing the mount.
> >
> > Okay, guess I misunderstood what you wrote before.
> >
> > The patch below for 2.6.23 should do what you want (and more besides).
> > It forces the USB Persist feature to apply to all persist-enabled
> > devices, whether they were unplugged or not.
> >
> > There's no chance of this getting accepted into the official kernel in
> > such a simple form, but at least it will allow you to do what you want.
> >
> > Alan Stern
> >
> >
> > --- 2.6.23/drivers/usb/core/driver.c1 2007-11-29 10:57:36.000000000 -0500
> > +++ 2.6.23/drivers/usb/core/driver.c 2007-11-29 11:01:44.000000000 -0500
> > @@ -1550,6 +1550,9 @@
> > if (!(udev->reset_resume && udev->do_remote_wakeup))
> > return -EPERM;
> > }
> > +
> > + /* Force all system resumes to be reset-resumes */
> > + udev->reset_resume = 1;
> > return usb_external_resume_device(udev);
> > }
> ..
>
> Mmm.. how about a nice sysfs attr that the suspend scripts can write
> that value to as needed ?
Write what value to? Besides, there already _is_ a sysfs attribute
scripts can use to enable or disable USB-Persist for each device.
Alan Stern
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
