Re: [PATCH] isp1760-hcd: move dequeued qtds to the front in qh

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On Mon, Apr 23, 2012 at 10:59:11PM +0000, Arvid Brodin wrote:
> On 2012-04-18 09:58, Michael Grzeschik wrote:
> > Make sure that dequeued urbs get handled first
> > by collect_qtds. To achieve that we better move them
> > up to the head in the qh list.
> > 
> > This for instance fixes hanging serial devices, which wait
> > for dequeued urbs to properly close their device node.
> > 
> > Signed-off-by: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx>
> > ---
> >  drivers/usb/host/isp1760-hcd.c |    1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c
> > index 37f017b..d4ffdc0 100644
> > --- a/drivers/usb/host/isp1760-hcd.c
> > +++ b/drivers/usb/host/isp1760-hcd.c
> > @@ -1673,6 +1673,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
> >  	list_for_each_entry(qtd, &qh->qtd_list, qtd_list)
> >  		if (qtd->urb == urb) {
> >  			dequeue_urb_from_qtd(hcd, qh, qtd);
> > +			list_move(&qtd->qtd_list, &qh->qtd_list);
> >  			break;
> >  		}
> >  
> 
> This looks good to me. Perhaps a comment to describe why the list_move is needed here?
> 
> Can you send a "v2" of this patch series including this updated patch?

The series, including this patch insted of the "continue vs. break"
patch, got already applied onto the usb-next branch. Should i still
resend them?

Cheers,
Michael

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