From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A061FC17443 for ; Mon, 11 Nov 2019 01:58:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 71B4C206DF for ; Mon, 11 Nov 2019 01:58:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ODWQhV8M" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726885AbfKKB6u (ORCPT ); Sun, 10 Nov 2019 20:58:50 -0500 Received: from mail-vs1-f66.google.com ([209.85.217.66]:39859 "EHLO mail-vs1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726743AbfKKB6u (ORCPT ); Sun, 10 Nov 2019 20:58:50 -0500 Received: by mail-vs1-f66.google.com with SMTP id v77so1180972vsv.6; Sun, 10 Nov 2019 17:58:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=prm6F9A7udBbbazHidVJSyKNJBPGpqmhX/YTquSVgcw=; b=ODWQhV8MgF9c7o2guJEdbXplM5OnBK3aAKfrW4wQcPGsMEl4Z1wvYslIzvIUcEgeeS JJpHxAGdzB+eevhMgOAa01uxY9/0JXlx7cRn4sKtalwS/zGLHsKZUOjyhpRCgkA12YZv nYluLOPOTobquw72QvmHrEj94j5bE0JE73BWUXfvdYNl5l9LJlvyTiRwc5ZxcW2fDzLm 9S+yDvimVKg1gHiaOblPU0k64pP3JOs7TXIp/T16hfAMpaSpGCsKD8YOIKnuaAhmWCkR 9AweewCfBrOrsfcO6qvDiMQI8D8S7bnwOY64Wj7h90XUPeP1qSwpRX0vszGgc/PhxY5K NeXA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=prm6F9A7udBbbazHidVJSyKNJBPGpqmhX/YTquSVgcw=; b=PcSgfif5goasXy7PvJG2Tf8h84/HWm1qbvvbktmayQSGw5vVw0uoUPbHMEcRKP4UrG Hs6QMXSLnzAAdtbXPECai939kRfXCHr7qMf7dBEdyWD8kh1Zc38lL7GCJAZakE96qYeT oTWvU2Cd+7L+vrniTluIpBt9Gia7Mr+NbWBNKA5AlFXMXUOAYXfYj9YKNK9ZAnkypc3l YCR2rVwcY5Q5b9jNWXqWhnpd1hKSP0igrYbaro5CgYGvQqfX2Nc0LU5YF+X+rrYm9qBn 3TDYqNhe7pq+bPvekTE7RrnnUe7lmrG57bGOJqTEGDs0PeQw/u/tawKEnrly50rypF0K vEKQ== X-Gm-Message-State: APjAAAXT6e1u2DbTmf510a1AonFN/06FkuXzHo/4huG6t61oCX8ZFeJH NrrnTHBiis5bj/9JIuPMC5QVE7GCZKVBLgWrdDE= X-Google-Smtp-Source: APXvYqyQNbwOgzWwHpNa70qjjCceQD8KL2Ro68PHn1EFxoYrLUZtoN9TvfX6fwO+a8rioZNWR4k1ii/lh3Pjou1tRf0= X-Received: by 2002:a67:f44b:: with SMTP id r11mr2704022vsn.23.1573437528995; Sun, 10 Nov 2019 17:58:48 -0800 (PST) MIME-Version: 1.0 References: <20191014141718.22603-1-narmstrong@baylibre.com> <20191014141718.22603-2-narmstrong@baylibre.com> <20191023201141.GA21235@bogus> In-Reply-To: From: Jun Li Date: Mon, 11 Nov 2019 09:58:37 +0800 Message-ID: Subject: Re: [PATCH 1/3] doc: dt: bindings: usb: dwc3: Update entries for disabling SS instances in park mode To: Tim Cc: Neil Armstrong , Felipe Balbi , khilman@baylibre.com, devicetree@vger.kernel.org, linux-usb@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Dongjin Kim , Jianxin Pan , Rob Herring Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Neil As I got the information from Synopsys, this bug exists on current IP versi= ons, 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? Li Jun Tim =E4=BA=8E2019=E5=B9=B411=E6=9C=8811=E6=97=A5=E5=91= =A8=E4=B8=80 =E4=B8=8A=E5=8D=888:42=E5=86=99=E9=81=93=EF=BC=9A > > 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 hardwar= e; > https://patchwork.kernel.org/patch/11164515/ > > > > On Wed, Oct 23, 2019 at 4:11 PM Rob Herring 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 XHC= i > > > instances in park mode. > > > > > > CC: Dongjin Kim > > > Cc: Jianxin Pan > > > Reported-by: Tim > > > Signed-off-by: Neil Armstrong > > > --- > > > 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.7 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D1DAAC43331 for ; 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Sun, 10 Nov 2019 17:58:48 -0800 (PST) MIME-Version: 1.0 References: <20191014141718.22603-1-narmstrong@baylibre.com> <20191014141718.22603-2-narmstrong@baylibre.com> <20191023201141.GA21235@bogus> In-Reply-To: From: Jun Li Date: Mon, 11 Nov 2019 09:58:37 +0800 Message-ID: Subject: Re: [PATCH 1/3] doc: dt: bindings: usb: dwc3: Update entries for disabling SS instances in park mode To: Tim X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191110_175851_773241_F9AD9E70 X-CRM114-Status: GOOD ( 16.73 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Felipe Balbi , Jianxin Pan , devicetree@vger.kernel.org, khilman@baylibre.com, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Neil Armstrong , Dongjin Kim , linux-amlogic@lists.infradead.org, Rob Herring , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org SGkgTmVpbAoKQXMgSSBnb3QgdGhlIGluZm9ybWF0aW9uIGZyb20gU3lub3BzeXMsIHRoaXMgYnVn IGV4aXN0cyBvbiBjdXJyZW50IElQIHZlcnNpb25zLAphbmQgcGVyIG15IHRlc3RzIHdpdGggZXh0 ZXJuYWwgVVNCMyBodWIgKyAyIFN1cGVyIHNwZWVkIHVkaXNrcyBvbiBkYXRhCnJlYWQgYnkgZGQs IEkgY2FuIHJlcHJvZHVjZSB0aGlzIGlzc3VlIHdpdGggZGlmZmVyZW50IGtlcm5lbCB2ZXJzaW9u cywgYWxzbyBJCmRpZG4ndCBzZWUgb2J2aW91cyBwZXJmb3JtYW5jZSBkcm9wIGJ5IGRkIHRlc3Rz IGFmdGVyIGRpc2FibGUgcGFyayBtb2RlIGZvcgpzdXBlciBzcGVlZCwgc28gc2hvdWxkIHdlIGp1 c3QgZGlzYWJsZSBpdCBieSBkZWZhdWx0IHNvIG5vIG5lZWQgYSBxdWlyaz8KCkxpIEp1bgoKVGlt IDxlbGF0bGxhdEBnbWFpbC5jb20+IOS6jjIwMTnlubQxMeaciDEx5pel5ZGo5LiAIOS4iuWNiDg6 NDLlhpnpgZPvvJoKPgo+IFRoYW5rcyBmb3Igd29ya2luZyBvbiB0aGlzIE5laWwsCj4gSXMgdGhl cmUgc29tZXRoaW5nIHRoYXQgbmVlZHMgZG9pbmcgZm9yIHRoaXMgcGF0Y2ggdG8gbWFrZSBpdCBp bnRvIDUuMyBvciA1LjQ/Cj4gQXMgcHJldmlvdXNseSBtZW50aW9uZWQgdGhlIHBhdGNoIHNldCBm aXhlcyB0aGUgaXNzdWUgb24gYWZmZWN0ZWQgaGFyZHdhcmU7Cj4gICAgIGh0dHBzOi8vcGF0Y2h3 b3JrLmtlcm5lbC5vcmcvcGF0Y2gvMTExNjQ1MTUvCj4KPgo+Cj4gT24gV2VkLCBPY3QgMjMsIDIw MTkgYXQgNDoxMSBQTSBSb2IgSGVycmluZyA8cm9iaEBrZXJuZWwub3JnPiB3cm90ZToKPiA+Cj4g PiBPbiBNb24sIE9jdCAxNCwgMjAxOSBhdCAwNDoxNzoxNlBNICswMjAwLCBOZWlsIEFybXN0cm9u ZyB3cm90ZToKPiA+ID4gVGhpcyBwYXRjaCB1cGRhdGVzIHRoZSBkb2N1bWVudGF0aW9uIHdpdGgg dGhlIGluZm9ybWF0aW9uIHJlbGF0ZWQKPiA+ID4gdG8gdGhlIHF1aXJrcyB0aGF0IG5lZWRzIHRv IGJlIGFkZGVkIGZvciBkaXNhYmxpbmcgYWxsIFN1cGVyU3BlZWQgWEhDaQo+ID4gPiBpbnN0YW5j ZXMgaW4gcGFyayBtb2RlLgo+ID4gPgo+ID4gPiBDQzogRG9uZ2ppbiBLaW0gPHRvYmV0dGVyQGdt YWlsLmNvbT4KPiA+ID4gQ2M6IEppYW54aW4gUGFuIDxqaWFueGluLnBhbkBhbWxvZ2ljLmNvbT4K PiA+ID4gUmVwb3J0ZWQtYnk6IFRpbSA8ZWxhdGxsYXRAZ21haWwuY29tPgo+ID4gPiBTaWduZWQt b2ZmLWJ5OiBOZWlsIEFybXN0cm9uZyA8bmFybXN0cm9uZ0BiYXlsaWJyZS5jb20+Cj4gPiA+IC0t LQo+ID4gPiAgRG9jdW1lbnRhdGlvbi9kZXZpY2V0cmVlL2JpbmRpbmdzL3VzYi9kd2MzLnR4dCB8 IDIgKysKPiA+ID4gIDEgZmlsZSBjaGFuZ2VkLCAyIGluc2VydGlvbnMoKykKPiA+Cj4gPiBTaWdo LCB3aGF0J3Mgb25lIG1vcmUgdG8gdGhlIG5ldmVyIGVuZGluZyBsaXN0IG9mIHF1aXJrcy4uLgo+ ID4KPiA+IEFja2VkLWJ5OiBSb2IgSGVycmluZyA8cm9iaEBrZXJuZWwub3JnPgoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBt YWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9s aXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.7 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1C0D3C43331 for ; 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Sun, 10 Nov 2019 17:58:48 -0800 (PST) MIME-Version: 1.0 References: <20191014141718.22603-1-narmstrong@baylibre.com> <20191014141718.22603-2-narmstrong@baylibre.com> <20191023201141.GA21235@bogus> In-Reply-To: From: Jun Li Date: Mon, 11 Nov 2019 09:58:37 +0800 Message-ID: Subject: Re: [PATCH 1/3] doc: dt: bindings: usb: dwc3: Update entries for disabling SS instances in park mode To: Tim X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191110_175851_773241_F9AD9E70 X-CRM114-Status: GOOD ( 16.73 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Felipe Balbi , Jianxin Pan , devicetree@vger.kernel.org, khilman@baylibre.com, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Neil Armstrong , Dongjin Kim , linux-amlogic@lists.infradead.org, Rob Herring , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org SGkgTmVpbAoKQXMgSSBnb3QgdGhlIGluZm9ybWF0aW9uIGZyb20gU3lub3BzeXMsIHRoaXMgYnVn IGV4aXN0cyBvbiBjdXJyZW50IElQIHZlcnNpb25zLAphbmQgcGVyIG15IHRlc3RzIHdpdGggZXh0 ZXJuYWwgVVNCMyBodWIgKyAyIFN1cGVyIHNwZWVkIHVkaXNrcyBvbiBkYXRhCnJlYWQgYnkgZGQs IEkgY2FuIHJlcHJvZHVjZSB0aGlzIGlzc3VlIHdpdGggZGlmZmVyZW50IGtlcm5lbCB2ZXJzaW9u cywgYWxzbyBJCmRpZG4ndCBzZWUgb2J2aW91cyBwZXJmb3JtYW5jZSBkcm9wIGJ5IGRkIHRlc3Rz IGFmdGVyIGRpc2FibGUgcGFyayBtb2RlIGZvcgpzdXBlciBzcGVlZCwgc28gc2hvdWxkIHdlIGp1 c3QgZGlzYWJsZSBpdCBieSBkZWZhdWx0IHNvIG5vIG5lZWQgYSBxdWlyaz8KCkxpIEp1bgoKVGlt IDxlbGF0bGxhdEBnbWFpbC5jb20+IOS6jjIwMTnlubQxMeaciDEx5pel5ZGo5LiAIOS4iuWNiDg6 NDLlhpnpgZPvvJoKPgo+IFRoYW5rcyBmb3Igd29ya2luZyBvbiB0aGlzIE5laWwsCj4gSXMgdGhl cmUgc29tZXRoaW5nIHRoYXQgbmVlZHMgZG9pbmcgZm9yIHRoaXMgcGF0Y2ggdG8gbWFrZSBpdCBp bnRvIDUuMyBvciA1LjQ/Cj4gQXMgcHJldmlvdXNseSBtZW50aW9uZWQgdGhlIHBhdGNoIHNldCBm aXhlcyB0aGUgaXNzdWUgb24gYWZmZWN0ZWQgaGFyZHdhcmU7Cj4gICAgIGh0dHBzOi8vcGF0Y2h3 b3JrLmtlcm5lbC5vcmcvcGF0Y2gvMTExNjQ1MTUvCj4KPgo+Cj4gT24gV2VkLCBPY3QgMjMsIDIw MTkgYXQgNDoxMSBQTSBSb2IgSGVycmluZyA8cm9iaEBrZXJuZWwub3JnPiB3cm90ZToKPiA+Cj4g PiBPbiBNb24sIE9jdCAxNCwgMjAxOSBhdCAwNDoxNzoxNlBNICswMjAwLCBOZWlsIEFybXN0cm9u ZyB3cm90ZToKPiA+ID4gVGhpcyBwYXRjaCB1cGRhdGVzIHRoZSBkb2N1bWVudGF0aW9uIHdpdGgg dGhlIGluZm9ybWF0aW9uIHJlbGF0ZWQKPiA+ID4gdG8gdGhlIHF1aXJrcyB0aGF0IG5lZWRzIHRv IGJlIGFkZGVkIGZvciBkaXNhYmxpbmcgYWxsIFN1cGVyU3BlZWQgWEhDaQo+ID4gPiBpbnN0YW5j ZXMgaW4gcGFyayBtb2RlLgo+ID4gPgo+ID4gPiBDQzogRG9uZ2ppbiBLaW0gPHRvYmV0dGVyQGdt YWlsLmNvbT4KPiA+ID4gQ2M6IEppYW54aW4gUGFuIDxqaWFueGluLnBhbkBhbWxvZ2ljLmNvbT4K PiA+ID4gUmVwb3J0ZWQtYnk6IFRpbSA8ZWxhdGxsYXRAZ21haWwuY29tPgo+ID4gPiBTaWduZWQt b2ZmLWJ5OiBOZWlsIEFybXN0cm9uZyA8bmFybXN0cm9uZ0BiYXlsaWJyZS5jb20+Cj4gPiA+IC0t LQo+ID4gPiAgRG9jdW1lbnRhdGlvbi9kZXZpY2V0cmVlL2JpbmRpbmdzL3VzYi9kd2MzLnR4dCB8 IDIgKysKPiA+ID4gIDEgZmlsZSBjaGFuZ2VkLCAyIGluc2VydGlvbnMoKykKPiA+Cj4gPiBTaWdo LCB3aGF0J3Mgb25lIG1vcmUgdG8gdGhlIG5ldmVyIGVuZGluZyBsaXN0IG9mIHF1aXJrcy4uLgo+ ID4KPiA+IEFja2VkLWJ5OiBSb2IgSGVycmluZyA8cm9iaEBrZXJuZWwub3JnPgoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYW1sb2dpYyBtYWls aW5nIGxpc3QKbGludXgtYW1sb2dpY0BsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5p bmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYW1sb2dpYwo=