This bug exists on all current versions per information I got from Synopsys. + Thinh Nguyen <thinhn@xxxxxxxxxxxx>. Li Jun Neil Armstrong <narmstrong@xxxxxxxxxxxx> 于2019年11月12日周二 下午5:00写道： > > Hi Li, > > On 11/11/2019 02:58, Jun Li wrote: > > Hi Neil > > > > As I got the information from Synopsys, this bug exists on current IP versions, > > and per my tests with external USB3 hub + 2 Super speed udisks on data > > read by dd, I can reproduce this issue with different kernel versions, also I > > didn't see obvious performance drop by dd tests after disable park mode for > > super speed, so should we just disable it by default so no need a quirk? > > I don't have any opinion on this, I think the USB & DWC3 maintainers should decide > how to handle this. > > Did Synopsys specified a range of affected IP version ? > > Neil > > > > > Li Jun > > > > Tim <elatllat@xxxxxxxxx> 于2019年11月11日周一 上午8:42写道： > >> > >> Thanks for working on this Neil, > >> Is there something that needs doing for this patch to make it into 5.3 or 5.4? > >> As previously mentioned the patch set fixes the issue on affected hardware; > >> https://patchwork.kernel.org/patch/11164515/ > >> > >> > >> > >> On Wed, Oct 23, 2019 at 4:11 PM Rob Herring <robh@xxxxxxxxxx> wrote: > >>> > >>> On Mon, Oct 14, 2019 at 04:17:16PM +0200, Neil Armstrong wrote: > >>>> This patch updates the documentation with the information related > >>>> to the quirks that needs to be added for disabling all SuperSpeed XHCi > >>>> instances in park mode. > >>>> > >>>> CC: Dongjin Kim <tobetter@xxxxxxxxx> > >>>> Cc: Jianxin Pan <jianxin.pan@xxxxxxxxxxx> > >>>> Reported-by: Tim <elatllat@xxxxxxxxx> > >>>> Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx> > >>>> --- > >>>> Documentation/devicetree/bindings/usb/dwc3.txt | 2 ++ > >>>> 1 file changed, 2 insertions(+) > >>> > >>> Sigh, what's one more to the never ending list of quirks... > >>> > >>> Acked-by: Rob Herring <robh@xxxxxxxxxx> >
