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);
}
-
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