Messages in this thread | | | Date | Thu, 29 Nov 2007 14:01:33 -0500 | From | Mark Lord <> | Subject | Re: [linux-usb-devel] [BUG] USB_PERSIST |
| |
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 ? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |