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=-17.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, USER_AGENT_SANE_2 autolearn=unavailable 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 0D76EC433ED for ; Wed, 12 May 2021 02:03:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D54346127A for ; Wed, 12 May 2021 02:03:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230115AbhELCET (ORCPT ); Tue, 11 May 2021 22:04:19 -0400 Received: from mailgw02.mediatek.com ([1.203.163.81]:9842 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S229973AbhELCES (ORCPT ); Tue, 11 May 2021 22:04:18 -0400 X-UUID: 837896f299db42c7b372cb76a202a70c-20210512 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:MIME-Version:Content-Type:References:In-Reply-To:Date:CC:To:From:Subject:Message-ID; bh=T8K9jXRssUMgZPyRniiOWW1kVzpxyI3Fg5ZYopeSdmA=; b=jsk7+4WyMcgmczQF9yimk50VfxbZGAupjqqzr5exHQsJa7Vc15VMuYi6F95UYBW4I9f1dKcMSudMuVR0k/G2tbuae2JvoaTf8ZQDEfKyvPMmhXSPJ8++clafgSKUIhP30zo04sCcRoAiTHCncWtTsWwKPvgr6iM2PMBuVqvmrIE=; X-UUID: 837896f299db42c7b372cb76a202a70c-20210512 Received: from mtkcas32.mediatek.inc [(172.27.4.253)] by mailgw02.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1048197291; Wed, 12 May 2021 10:03:07 +0800 Received: from MTKCAS36.mediatek.inc (172.27.4.186) by MTKMBS31N2.mediatek.inc (172.27.4.87) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 12 May 2021 10:02:59 +0800 Received: from [10.17.3.153] (10.17.3.153) by MTKCAS36.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 12 May 2021 10:02:58 +0800 Message-ID: <1620784978.25159.4.camel@mhfsdcap03> Subject: Re: [PATCH] usb: core: hub: fix race condition about TRSMRCY of resume From: Chunfeng Yun To: Greg Kroah-Hartman CC: Alan Stern , Matthias Brugger , Thinh Nguyen , "Gustavo A . R . Silva" , Bixuan Cui , Eugeniu Rosca , "Oliver Neukum" , , , , , Tianping Fang , Eddie Hung , "Ikjoon Jang" Date: Wed, 12 May 2021 10:02:58 +0800 In-Reply-To: References: <20210511101522.34193-1-chunfeng.yun@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: BB3D69465F189431B6CB5B8CFC24F1B67DD4789539F36897903386BFD931EB7C2000:8 X-MTK: N Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gVHVlLCAyMDIxLTA1LTExIGF0IDEzOjI3ICswMjAwLCBHcmVnIEtyb2FoLUhhcnRtYW4gd3Jv dGU6DQo+IE9uIFR1ZSwgTWF5IDExLCAyMDIxIGF0IDA2OjE1OjIyUE0gKzA4MDAsIENodW5mZW5n IFl1biB3cm90ZToNCj4gPiBUaGlzIG1heSBoYXBwZW4gaWYgdGhlIHBvcnQgYmVjb21lcyByZXN1 bWUgc3RhdHVzIGV4YWN0bHkNCj4gPiB3aGVuIHVzYl9wb3J0X3Jlc3VtZSgpIGdldHMgcG9ydCBz dGF0dXMsIGl0IHN0aWxsIG5lZWQgcHJvdmlkZQ0KPiA+IGEgVFJTTUNSWSB0aW1lIGJlZm9yZSBh Y2Nlc3MgdGhlIGRldmljZS4NCj4gPiANCj4gPiBSZXBvcnRlZC1ieTogVGlhbnBpbmcgRmFuZyA8 dGlhbnBpbmcuZmFuZ0BtZWRpYXRlay5jb20+DQo+ID4gU2lnbmVkLW9mZi1ieTogQ2h1bmZlbmcg WXVuIDxjaHVuZmVuZy55dW5AbWVkaWF0ZWsuY29tPg0KPiA+IC0tLQ0KPiA+ICBkcml2ZXJzL3Vz Yi9jb3JlL2h1Yi5jIHwgNiArKystLS0NCj4gPiAgMSBmaWxlIGNoYW5nZWQsIDMgaW5zZXJ0aW9u cygrKSwgMyBkZWxldGlvbnMoLSkNCj4gDQo+IERvZXMgdGhpcyBuZWVkIHRvIGdvIHRvIGFueSBv bGRlci9zdGFibGUga2VybmVscz8gIElmIHNvLCBob3cgZmFyIGJhY2s/DQoNClRoZSBmbG93IGlz IGNoYW5nZWQgYnkgDQoiYjAxYjAzZjNhZDgyIFVTQjogYWRkIG5ldyByb3V0aW5lIGZvciBjaGVj a2luZyBwb3J0LXJlc3VtZSB0eXBlIiwgYnV0DQppdCB3aWxsIGNhdXNlIGNvbmZsaWN0IHdpdGgN CiJhZDQ5M2U1ZTU4MDUgdXNiOiBhZGQgdXNiIHBvcnQgYXV0byBwb3dlciBvZmYgbWVjaGFuaXNt Ig0KIA0KPiANCj4gdGhhbmtzLA0KPiANCj4gZ3JlZyBrLWgNCg0K