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[209.132.180.67]) by mx.google.com with ESMTP id x61si9857376plb.303.2018.12.16.17.55.38; Sun, 16 Dec 2018 17:55:54 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731287AbeLQByp (ORCPT + 99 others); Sun, 16 Dec 2018 20:54:45 -0500 Received: from szxga03-in.huawei.com ([45.249.212.189]:6519 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726276AbeLQByo (ORCPT ); Sun, 16 Dec 2018 20:54:44 -0500 Received: from DGGEMM404-HUB.china.huawei.com (unknown [172.30.72.54]) by Forcepoint Email with ESMTP id D604BFD8A5CE2; Mon, 17 Dec 2018 09:54:39 +0800 (CST) Received: from DGGEMM526-MBX.china.huawei.com ([169.254.8.137]) by DGGEMM404-HUB.china.huawei.com ([10.3.20.212]) with mapi id 14.03.0415.000; Mon, 17 Dec 2018 09:54:32 +0800 From: "Zengtao (B)" To: Sergei Shtylyov , "balbi@kernel.org" CC: liangshengjun , Greg Kroah-Hartman , "linux-usb@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH] usb: dwc3: gadget: fix miss isoc issue introduced by IRQ latency Thread-Topic: [PATCH] usb: dwc3: gadget: fix miss isoc issue introduced by IRQ latency Thread-Index: AQHUk4cxG7ymgFtVv0SioeUwSrP51KV9kB2AgASfOMA= Date: Mon, 17 Dec 2018 01:54:31 +0000 Message-ID: <678F3D1BB717D949B966B68EAEB446ED24E217CD@dggemm526-mbx.china.huawei.com> References: <1544805179-2248-1-git-send-email-prime.zeng@hisilicon.com> <67af347c-39fb-a11c-ab95-7741c58b6dd6@cogentembedded.com> In-Reply-To: <67af347c-39fb-a11c-ab95-7741c58b6dd6@cogentembedded.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.67.222.15] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SGkgU2VyZ2VpOg0KDQo+LS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj5Gcm9tOiBTZXJnZWkg U2h0eWx5b3YgW21haWx0bzpzZXJnZWkuc2h0eWx5b3ZAY29nZW50ZW1iZWRkZWQuY29tXQ0KPlNl bnQ6IEZyaWRheSwgRGVjZW1iZXIgMTQsIDIwMTggNzoxOCBQTQ0KPlRvOiBaZW5ndGFvIChCKSA8 cHJpbWUuemVuZ0BoaXNpbGljb24uY29tPjsgYmFsYmlAa2VybmVsLm9yZw0KPkNjOiBsaWFuZ3No ZW5nanVuIDxsaWFuZ3NoZW5nanVuQGhpc2lsaWNvbi5jb20+OyBHcmVnIEtyb2FoLUhhcnRtYW4N Cj48Z3JlZ2toQGxpbnV4Zm91bmRhdGlvbi5vcmc+OyBsaW51eC11c2JAdmdlci5rZXJuZWwub3Jn Ow0KPmxpbnV4LWtlcm5lbEB2Z2VyLmtlcm5lbC5vcmcNCj5TdWJqZWN0OiBSZTogW1BBVENIXSB1 c2I6IGR3YzM6IGdhZGdldDogZml4IG1pc3MgaXNvYyBpc3N1ZSBpbnRyb2R1Y2VkIGJ5DQo+SVJR IGxhdGVuY3kNCj4NCj5IZWxsbyENCj4NCj5PbiAxMi8xNC8yMDE4IDA3OjMyIFBNLCBaZW5nIFRh byB3cm90ZToNCj4NCj4+IElmIGl0J3MgYSBidXN5IHN5c3RlbSwgc29tZSB0aW1lcyB3aGVuIHdl IHN0YXJ0IGFuIGlzb2MgdHJhbnNmZXIsIHRoZQ0KPj4gZnJhbWVudW1iZXIgZ2V0IGZyb20gdGhl IGV2ZW50IGJ1ZmZlciBtYXkgYmUgYWxyZWFkeSBlbGFzcGVkLCBpbiB0aGlzDQo+DQo+ICAgRnJh bWUgbnVtYmVyPyBFbHNlIG15IHNwZWxsIGNoZWNrZXIgdHJpcHMuIDotKQ0KPg0KPj4gIGNhc2Us IHdlIHdpbGwgZ2V0IGFsbCB0aGUgcGFja2V0cyBkcm9wcGVkIGR1ZSB0byBtaXNzIGlzb2MuIEFu ZCB3ZQ0KPj4gdHVybg0KPg0KPiAgIFJlbW92ZSB0aGUgbGVhZGluZyBzcGFjZSwgcGxlYXNlLg0K Pg0KPj4gaW50byB0cmFuc2ZlciBub3RoaW5nLCB0byBmaXggdGhpcyBpc3N1ZSwgd2UgbmVlZCB0 byBmaXggdGhlDQo+PiBmcmFtZW51bWJlciB0byBtYWtlIHN1cmUgdGhhdCBpdCdzIG5vdCBvdXQg b2YgZGF0ZS4NCj4+DQo+PiBTaWduZWQtb2ZmLWJ5OiBMaWFuZyBTaGVuZ2p1biA8bGlhbmdzaGVu Z2p1bkBoaXNpbGljb24uY29tPg0KPj4gU2lnbmVkLW9mZi1ieTogWmVuZyBUYW8gPHByaW1lLnpl bmdAaGlzaWxpY29uLmNvbT4NCj5bLi4uXQ0KPj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvdXNiL2R3 YzMvZ2FkZ2V0LmMgYi9kcml2ZXJzL3VzYi9kd2MzL2dhZGdldC5jDQo+PiBpbmRleCA5ZjkyZWUw Li5iNjNiZDcyIDEwMDY0NA0KPj4gLS0tIGEvZHJpdmVycy91c2IvZHdjMy9nYWRnZXQuYw0KPj4g KysrIGIvZHJpdmVycy91c2IvZHdjMy9nYWRnZXQuYw0KPj4gQEAgLTEyNjMsNiArMTI2MywxNSBA QCBzdGF0aWMgaW50IF9fZHdjM19nYWRnZXRfZ2V0X2ZyYW1lKHN0cnVjdA0KPmR3YzMgKmR3YykN Cj4+ICAJcmV0dXJuIERXQzNfRFNUU19TT0ZGTihyZWcpOw0KPj4gIH0NCj4+DQo+PiArc3RhdGlj IGJvb2wgX19kd2MzX2dhZGdldF90YXJnZXRfZnJhbWVfZWxhcHNlZChzdHJ1Y3QgZHdjM19lcA0K PipkZXApIHsNCj4+ICsJdTE2IGNmcmFtZSA9ICBfX2R3YzNfZ2FkZ2V0X2dldF9mcmFtZShkZXAt PmR3Yyk7DQo+PiArCXUxNiBlZnJhbWUgPSBkZXAtPmZyYW1lX251bWJlciAmDQo+RFdDM19FVkVO VF9QUkFNX1NPRkZOX01BU0s7DQo+PiArDQo+PiArCXJldHVybiAoKChlZnJhbWUgLSBjZnJhbWUp ICYgRFdDM19FVkVOVF9QUkFNX1NPRkZOX01BU0spDQo+PiArCQk+IERXQzNfRVZFTlRfUFJBTV9N QVhfU09GRk4gLyAyKTsNCj4NCj4gICBQbGVhc2UgbGVhdmUgPiBvbiB0aGUgcHJldmlvdXMgbGlu ZS4NCj4gICBBbmQgeW91IHN1cmVseSBrbm93IHRoYXQgdGhlIG91dGVyIHBhcmVucyBhcmUgdW5u ZWNlc3Nhcnk/IDotKQ0KPg0KDQpUaGFua3MgZm9yIHlvdXIga2luZGx5IGNvcnJlY3Rpb25zLiA6 LSksIEkgd2lsbCBhcHBseSB0aGVtIGluIHRoZSBwYXRjaCBpZiB3ZSBuZWVkLg0KDQo+Wy4uLl0N Cj4NCj5NQlIsIFNlcmdlaQ0K