Re: Bug fix for pvrusb2 driver [was: Re: Kernel 2.6.26.5 -> 2.6.27.2 [USB REGRESSION] (USB -> D_STATE)]

From: Michael Krufky
Date: Mon Oct 20 2008 - 14:01:57 EST


On Mon, Oct 20, 2008 at 1:29 PM, Greg KH <greg@xxxxxxxxx> wrote:
> On Mon, Oct 20, 2008 at 11:37:41AM -0500, Mike Isely wrote:
>>
>> I was incomplete in my previous response. See further below for nack
>> and another patch...
>>
>>
>> On Mon, 20 Oct 2008, Alan Stern wrote:
>>
>> [...]
>>
>> >
>> > Index: usb-2.6/drivers/media/video/pvrusb2/pvrusb2-main.c
>> > ===================================================================
>> > --- usb-2.6.orig/drivers/media/video/pvrusb2/pvrusb2-main.c
>> > +++ usb-2.6/drivers/media/video/pvrusb2/pvrusb2-main.c
>> > @@ -68,6 +68,16 @@ static void pvr_setup_attach(struct pvr2
>> > #endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
>> > }
>> >
>> > +static int pvr_pre_reset(struct usb_interface *intf)
>> > +{
>> > + return 0;
>> > +}
>> > +
>> > +static int pvr_post_reset(struct usb_interface *intf)
>> > +{
>> > + return 0;
>> > +}
>> > +
>> > static int pvr_probe(struct usb_interface *intf,
>> > const struct usb_device_id *devid)
>> > {
>> > @@ -109,7 +119,9 @@ static struct usb_driver pvr_driver = {
>> > .name = "pvrusb2",
>> > .id_table = pvr2_device_table,
>> > .probe = pvr_probe,
>> > - .disconnect = pvr_disconnect
>> > + .disconnect = pvr_disconnect,
>> > + .pre_reset = pvr_pre_reset,
>> > + .post_reset = pvr_post_reset,
>> > };
>> >
>> > /*
>> >
>> > --
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>> >
>>
>> Nacked-by: Mike Isely <isely@xxxxxxxxx>
>>
>> There is already another patch ready to go which eliminates the reset
>> entirely. It can be found here:
>>
>> http://linuxtv.org/hg/~mcisely/pvrusb2/rev/0bb411d8d2e4
>
> Will this patch be sent to the -stable group, to fix this regression in
> 2.6.27? Or should they take Alan's fix instead?

Greg,

Please queue the patch that Mike Isely sent for 2.6.27.y -- It's not
in Mauro's tree yet, but it will get there eventually. (it might take
him some before he does his next sync to git)

Reviewed-by: Michael Krufky <mkrufky@xxxxxxxxxxx>

Regards,

Mike Krufky
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