On Fri, 2020-07-10 at 11:14 +0800, Nicolas Boichat wrote:
> On Fri, Jul 10, 2020 at 10:30 AM Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> wrote:
> >
> > The wMaxPacketSize field of endpoint descriptor may be zero
> > as default value in alternate interface, and they are not
> > actually selected when start stream, so skip them when try to
> > allocate bandwidth.
> >
> > Cc: stable <stable@xxxxxxxxxxxxxxx>
> > Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
>
> Add this?
> Fixes: 0cbd4b34cda9dfd ("xhci: mediatek: support MTK xHCI host controller")
Ok, thanks
>
> > ---
> > drivers/usb/host/xhci-mtk-sch.c | 4 ++++
> > 1 file changed, 4 insertions(+)
> >
> > diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c
> > index fea5555..45c54d56 100644
> > --- a/drivers/usb/host/xhci-mtk-sch.c
> > +++ b/drivers/usb/host/xhci-mtk-sch.c
> > @@ -557,6 +557,10 @@ static bool need_bw_sch(struct usb_host_endpoint *ep,
> > if (is_fs_or_ls(speed) && !has_tt)
> > return false;
> >
> > + /* skip endpoint with zero maxpkt */
> > + if (usb_endpoint_maxp(&ep->desc) == 0)
> > + return false;
> > +
> > return true;
> > }
> >
> > --
> > 1.9.1
> > _______________________________________________
> > Linux-mediatek mailing list
> > Linux-mediatek@xxxxxxxxxxxxxxxxxxx
> > http://lists.infradead.org/mailman/listinfo/linux-mediatek
