From: Jun Li <lijun.kernel@gmail.com>
To: Neil Armstrong <narmstrong@baylibre.com>,
Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Cc: Felipe Balbi <balbi@kernel.org>,
Jianxin Pan <jianxin.pan@amlogic.com>,
devicetree@vger.kernel.org, khilman@baylibre.com,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
Tim <elatllat@gmail.com>, Dongjin Kim <tobetter@gmail.com>,
linux-amlogic@lists.infradead.org, Rob Herring <robh@kernel.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/3] doc: dt: bindings: usb: dwc3: Update entries for disabling SS instances in park mode
Date: Tue, 12 Nov 2019 18:51:10 +0800 [thread overview]
Message-ID: <CAKgpwJVHF6Ytdt9kq5SwiixFDLym_UPG51aXag1nVVay0pzofQ@mail.gmail.com> (raw)
In-Reply-To: <c32007f5-88b9-45c5-b542-b1dc4dbc76ea@baylibre.com>
This bug exists on all current versions per information I got from Synopsys.
+ Thinh Nguyen <thinhn@synopsys.com>.
Li Jun
Neil Armstrong <narmstrong@baylibre.com> 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@gmail.com> 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@kernel.org> 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@gmail.com>
> >>>> Cc: Jianxin Pan <jianxin.pan@amlogic.com>
> >>>> Reported-by: Tim <elatllat@gmail.com>
> >>>> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
> >>>> ---
> >>>> 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@kernel.org>
>
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next prev parent reply other threads:[~2019-11-12 10:51 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-14 14:17 [PATCH 0/3] arm64: g12-common: parkmode_disable_ss_quirk on DWC3 controller Neil Armstrong
2019-10-14 14:17 ` [PATCH 1/3] doc: dt: bindings: usb: dwc3: Update entries for disabling SS instances in park mode Neil Armstrong
2019-10-23 20:11 ` Rob Herring
2019-11-11 0:38 ` Tim
2019-11-11 1:58 ` Jun Li
2019-11-11 14:05 ` Tim
2019-11-12 1:48 ` Jun Li
2019-11-12 9:00 ` Neil Armstrong
2019-11-12 10:51 ` Jun Li [this message]
2019-11-12 20:03 ` Thinh Nguyen
2019-12-10 8:55 ` Neil Armstrong
2019-12-11 0:45 ` Tim
2019-12-20 9:58 ` Tim
2019-10-14 14:17 ` [PATCH 2/3] usb: dwc3: gadget: Add support " Neil Armstrong
2019-10-14 14:17 ` [PATCH 3/3] arm64: dts: g12-common: add parkmode_disable_ss_quirk on DWC3 controller Neil Armstrong
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