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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 9913EC43381 for ; Wed, 20 Mar 2019 12:23:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 721CD2175B for ; Wed, 20 Mar 2019 12:23:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727607AbfCTMXG (ORCPT ); Wed, 20 Mar 2019 08:23:06 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:2465 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726366AbfCTMXG (ORCPT ); Wed, 20 Mar 2019 08:23:06 -0400 Received: from DGGEMM405-HUB.china.huawei.com (unknown [172.30.72.57]) by Forcepoint Email with ESMTP id 89F938410C2014B6A892; Wed, 20 Mar 2019 20:23:03 +0800 (CST) Received: from DGGEMM423-HUB.china.huawei.com (10.1.198.40) by DGGEMM405-HUB.china.huawei.com (10.3.20.213) with Microsoft SMTP Server (TLS) id 14.3.408.0; Wed, 20 Mar 2019 20:23:03 +0800 Received: from DGGEMM506-MBX.china.huawei.com ([169.254.3.50]) by dggemm423-hub.china.huawei.com ([10.1.198.40]) with mapi id 14.03.0415.000; Wed, 20 Mar 2019 20:22:58 +0800 From: liweihang To: Florian Fainelli , Phil Reid , "netdev@vger.kernel.org" CC: Andrew Lunn , "David S. Miller" , "dongsheng.wang@hxt-semitech.com" , "cphealy@gmail.com" , "clemens.gruber@pqgruber.com" , "hkallweit1@gmail.com" , "nbd@nbd.name" , "harini.katakam@xilinx.com" Subject: RE: regression from: net: phy: marvell: Avoid unnecessary soft reset Thread-Topic: regression from: net: phy: marvell: Avoid unnecessary soft reset Thread-Index: AQHU2w2FlI+Z8iVyI0m92WZox9DPw6YMuD4AgANrYoCAAPrQgIAAjLYAgAEBKACAAJFZgIAAjlLA//+UNICAARUgoA== Date: Wed, 20 Mar 2019 12:22:58 +0000 Message-ID: References: <20180925182846.30042-1-f.fainelli@gmail.com> <20180925182846.30042-3-f.fainelli@gmail.com> <5ddf46b1-1959-832d-c6a5-86d8f93dc409@electromag.com.au> <7338bda7-541a-ed20-0afa-f5840c8fd131@gmail.com> <36fe3206-763d-41f8-bb9e-fa3067d78f2f@electromag.com.au> <5e258872-34cf-f82f-bcbc-539a74ba8561@gmail.com> In-Reply-To: <5e258872-34cf-f82f-bcbc-539a74ba8561@gmail.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.40.168.149] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogRmxvcmlhbiBGYWluZWxs aSBbbWFpbHRvOmYuZmFpbmVsbGlAZ21haWwuY29tXQ0KPiBTZW50OiBXZWRuZXNkYXksIE1hcmNo IDIwLCAyMDE5IDExOjM3IEFNDQo+IFRvOiBsaXdlaWhhbmcgPGxpd2VpaGFuZ0BoaXNpbGljb24u Y29tPjsgUGhpbCBSZWlkDQo+IDxwcmVpZEBlbGVjdHJvbWFnLmNvbS5hdT47IG5ldGRldkB2Z2Vy Lmtlcm5lbC5vcmcNCj4gQ2M6IEFuZHJldyBMdW5uIDxhbmRyZXdAbHVubi5jaD47IERhdmlkIFMu IE1pbGxlcg0KPiA8ZGF2ZW1AZGF2ZW1sb2Z0Lm5ldD47IGRvbmdzaGVuZy53YW5nQGh4dC1zZW1p dGVjaC5jb207DQo+IGNwaGVhbHlAZ21haWwuY29tOyBjbGVtZW5zLmdydWJlckBwcWdydWJlci5j b207IGhrYWxsd2VpdDFAZ21haWwuY29tOw0KPiBuYmRAbmJkLm5hbWU7IGhhcmluaS5rYXRha2Ft QHhpbGlueC5jb20NCj4gU3ViamVjdDogUmU6IHJlZ3Jlc3Npb24gZnJvbTogbmV0OiBwaHk6IG1h cnZlbGw6IEF2b2lkIHVubmVjZXNzYXJ5IHNvZnQgcmVzZXQNCj4gDQo+IA0KPiANCj4gT24gMy8x OS8yMDE5IDc6MzQgUE0sIGxpd2VpaGFuZyB3cm90ZToNCj4gPiBIaSBhbGwsDQo+ID4NCj4gPiBJ J3ZlIG1ldCBhIHNpbWlsYXIgaXNzdWUgYW5kIHNlbnQgYW4gZW1haWwgdG8gZGlzY3VzcyBhYm91 dCBpdCBiZWZvcmU6DQo+ID4gUXVlc3Rpb24gYWJvdXQgc2V0dGluZyBzcGVlZCBhbmQgZHVwbGV4 IGZhaWxlZCBhZnRlciBhdXRvLW5lZ290aWF0aW9uDQo+ID4gZGlzYWJsZWQgb24gbWFydmVsbCBw aHkNCj4gPg0KPiA+IGQ2YWI5MzM2NDczNCBuZXQ6IHBoeTogbWFydmVsbDogQXZvaWQgdW5uZWNl c3Nhcnkgc29mdCByZXNldCBJDQo+ID4gcmV2ZXJ0ZWQgdGhpcyBwYXRjaCBhbmQgdGhlIGF1dG8t bmVnb3RpYXRpb24gd29ya3Mgb2suDQo+ID4NCj4gPiBGbG9yaWFuLCBjb3VsZCB5b3UgcGxlYXNl IHJlYWQgbXkgcHJldmlvdXMgZW1haWwgYW5kIGdpdmUgbWUgc29tZSBhZHZpY2U/DQo+IA0KPiBJ ZiB5b3UgY2FuIGNvcHkgdGhlIHBhdGNoIGF1dGhvciBvbiB0aGF0IGVtYWlsIHRoZSBuZXh0IHRp bWUgdGhhdCB3aWxsIGhlbHANCj4gZXhwZWRpdGUgdGhpbmdzLg0KPiANCj4gU28gdGhlIHByb2Js ZW0gc2VlbXMgdG8gY29tZSBmcm9tIHRoZSBmYWN0IHRoYXQgdW5sZXNzIHRoZSBCQ01SX1JFU0VU IGJpdA0KPiBpcyB3cml0dGVuLCB0aGVuIG04OGUxMTIxX2NvbmZpZ19hbmVnX3JnbWlpX2RlbGF5 cygpIGhhcyBubyBlZmZlY3QsIGRvZXMNCj4gdGhhdCBzb3VuZCBsaWtlIHdoYXQgeW91IGFyZSBv YnNlcnZpbmc/DQo+IA0KPiBEb2VzIHRoZSBmb2xsb3dpbmcgd29yayBmb3IgeW91IChQaGlsIGFu ZCB5b3Vyc2VsZik/DQoNClRoYW5rIHlvdSwgRmxvcmlhbi4gQnV0IHRoYXQgZGlkbid0IHdvcmsg Zm9yIG1lIGVpdGhlci4gSSB0aGluayB0aGUga2V5IHF1ZXN0aW9uIGlzDQphcyB3aGF0IEhlaW5l ciBzYWlkLCBzb21lIGJpdHMgbmVlZCB0byBiZSBwcmVzZXJ2ZWQuDQoNClRoZSBNSUlfQk1DUiBj b250YWluZWQgaW5mb3JtYXRpb24gb2Ygc3BlZWQgYW5kIGR1cGxleCBtb2RlLCBidXQgd2hlbiB3 ZSANCmNhbGwgZ2VucGh5X3NvZnRfcmVzZXQoKSwgdGhlc2UgYml0cyB3aWxsIGJlIGNsZWFyZWQu DQoNCj4gDQo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL25ldC9waHkvbWFydmVsbC5jIGIvZHJpdmVy cy9uZXQvcGh5L21hcnZlbGwuYyBpbmRleA0KPiAzY2NiYTM3YmQ2ZGQuLjZhMWVhNGMyMDQyYSAx MDA2NDQNCj4gLS0tIGEvZHJpdmVycy9uZXQvcGh5L21hcnZlbGwuYw0KPiArKysgYi9kcml2ZXJz L25ldC9waHkvbWFydmVsbC5jDQo+IEBAIC00NDgsNiArNDQ4LDEwIEBAIHN0YXRpYyBpbnQgbTg4 ZTExMjFfY29uZmlnX2FuZWcoc3RydWN0IHBoeV9kZXZpY2UNCj4gKnBoeWRldikNCj4gICAgICAg ICAgICAgICAgIGVyciA9IG04OGUxMTIxX2NvbmZpZ19hbmVnX3JnbWlpX2RlbGF5cyhwaHlkZXYp Ow0KPiAgICAgICAgICAgICAgICAgaWYgKGVyciA8IDApDQo+ICAgICAgICAgICAgICAgICAgICAg ICAgIHJldHVybiBlcnI7DQo+ICsNCj4gKyAgICAgICAgICAgICAgIGVyciA9IGdlbnBoeV9zb2Z0 X3Jlc2V0KHBoeWRldik7DQo+ICsgICAgICAgICAgICAgICBpZiAoZXJyIDwgMCkNCj4gKyAgICAg ICAgICAgICAgICAgICAgICAgcmV0dXJuIGVycjsNCj4gICAgICAgICB9DQo+IA0KPiAgICAgICAg IGVyciA9IG1hcnZlbGxfc2V0X3BvbGFyaXR5KHBoeWRldiwgcGh5ZGV2LT5tZGl4X2N0cmwpOw0K PiANCg0K