Hallo all.
At the bottom is the part of "drivers/usb/core/quirks.c" of latest
kernel source. You can see that USB_SUSPEND is impotent option for
mobile_linux but need a lot of testing and fixing. If you like make you
device working for you and other, report your usb_id and dmesg which
show broken device. You need make fallowing steps to do this:
install kernel_with debug enabled
# sudo apt-get install linux-image-debug-2.6.20-15-generic
unplug your broken device
boot linux-debug and clear dmesg
# sudo dmesg -c
plug in you broken device
save dmesg usb_id:
# dmesg > my_kerlel.log
# lsusb -v > my_lsusb
5. post it here with description and name of device.
/* List of quirky USB devices. Please keep this list ordered by:
* 1) Vendor ID
* 2) Product ID
* 3) Class ID
*
* as we want specific devices to be overridden first, and only after
that, any
* class specific quirks.
*
* Right now the logic aborts if it finds a valid device in the table,
we might
* want to change that in the future if it turns out that a whole class of
* devices is broken...
*/
static const struct usb_device_id usb_quirk_list[] = {
/* HP 5300/5370C scanner */
{ USB_DEVICE(0x03f0, 0x0701), .driver_info =
USB_QUIRK_STRING_FETCH_255 },
/* Seiko Epson Corp - Perfection 1670 */
{ USB_DEVICE(0x04b8, 0x011f), .driver_info =
USB_QUIRK_NO_AUTOSUSPEND },
/* Elsa MicroLink 56k (V.250) */
{ USB_DEVICE(0x05cc, 0x2267), .driver_info =
USB_QUIRK_NO_AUTOSUSPEND },
{ } /* terminating entry must be last */
};
--
some usb_devices fault if usb_suspend enabled
https://bugs.launchpad.net/bugs/85488
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