On Thu, 25 Jun 2009 16:50:51 -0400 (EDT)
Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:
> THis patch disables autosuspend in the usbhid driver. Apparently too
> many people have bogus udev scripts that activate autosuspend for
> mice which can't support it properly.
>
> Signed-off-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
>
> ---
>
> Index: 2.6.30/drivers/hid/usbhid/hid-core.c
> ===================================================================
> --- 2.6.30.orig/drivers/hid/usbhid/hid-core.c
> +++ 2.6.30/drivers/hid/usbhid/hid-core.c
> @@ -1377,7 +1377,8 @@ static struct usb_driver hid_driver = {
> .pre_reset = hid_pre_reset,
> .post_reset = hid_post_reset,
> .id_table = hid_usb_ids,
> - .supports_autosuspend = 1,
> +/* Disable this until bogus udev scripts aren't so widespread */
> +/* .supports_autosuspend = 1, */
> };
mmmm..
a) we don't yet have enough data to know whether this is necessary
b) the patch doesn't provide us a way of ever fixing things up. Is
there any way in which the kernel can detect the problem and then emit
a "hey, fix your junk" printk?
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