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") > --- > 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