On Monday, June 18, 2012, Shubhadeep Chaudhuri wrote: > On Monday 18 June 2012 04:08 PM, Oleksij Rempel wrote: > > Am 18.06.2012 12:16, schrieb Shubhadeep Chaudhuri: > >> On Monday 18 June 2012 11:28 AM, Oleksij Rempel wrote: > >>> Am 17.06.2012 19:45, schrieb Shubhadeep Chaudhuri: > >>>> On Sunday 17 June 2012 04:39 PM, Shubhadeep Chaudhuri wrote: > >>>>> I did the "git bisect". It seems that this commit > >>>>> http://git.kernel.org/?p=nux/kernel/git/stable/linux-stable.git;a=commitdiff;há620d591a75a10b15cf61dbf8243a0b7e6731a2 > >>>>> introduces the regression. > >>>> This is regarding this thread > >>>> https://sourceforge.net/mailarchive/message.php?msg_id=29030464 I > >>>> couldn't find a way to reply to that specific thread. > >>> This link is not working. Please send at least description of the commit. > >> Sorry about that. The commit id is > >> e1620d591a75a10b15cf61dbf8243a0b7e6731a2 titled "USB: Move runtime PM > >> callbacks to usb_device_pm_ops" > >> and the following is the description. > >> > >> USB defines usb_device_type pointing to usb_device_pm_ops that > >> provides system-wide PM callbacks only and usb_bus_type pointing to > >> usb_bus_pm_ops that provides runtime PM callbacks only. However, > >> the USB runtime PM callbacks may be defined in usb_device_pm_ops > >> which makes it possible to drop usb_bus_pm_ops and will allow us > >> to consolidate the handling of subsystems by the PM core code. > >> > >> Here's the link once more > >> http://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=commitdiff;h=e1620d591a75a10b15cf61dbf8243a0b7e6731a2 > >> > >> > > You will need to contact authors of this patch: > > Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx> > > Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxx> > > > > please try to revert this patch to prevent mistakes. > > > > or probably the command should have same effect: > > > > echo -n -1 > /sys/module/usbcore/parameters/autosuspend > > > > or compiling the kernel without: > > CONFIG_USB_SUSPEND > > > Yes, I just compiled without CONFIG_USB_SUSPEND and it works. I wonder which one is different from NULL for the device in question, bus or type? Or maybe both? Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html