From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 26FCD3D3AF; Tue, 17 Oct 2023 13:08:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=none Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1ADC2ED; Tue, 17 Oct 2023 06:08:33 -0700 (PDT) X-SpamFilter-By: ArmorX SpamTrap 5.78 with qID 39HD7HGo8038602, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36506.realtek.com.tw[172.21.6.27]) by rtits2.realtek.com.tw (8.15.2/2.93/5.92) with ESMTPS id 39HD7HGo8038602 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 17 Oct 2023 21:07:17 +0800 Received: from RTEXMBS01.realtek.com.tw (172.21.6.94) by RTEXH36506.realtek.com.tw (172.21.6.27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.17; Tue, 17 Oct 2023 21:07:18 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXMBS01.realtek.com.tw (172.21.6.94) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Tue, 17 Oct 2023 21:07:18 +0800 Received: from RTEXMBS04.realtek.com.tw ([fe80::40c2:6c24:2df4:e6c7]) by RTEXMBS04.realtek.com.tw ([fe80::40c2:6c24:2df4:e6c7%5]) with mapi id 15.01.2375.007; Tue, 17 Oct 2023 21:07:17 +0800 From: Hayes Wang To: "'Doug Anderson'" CC: "'Jakub Kicinski'" , "'David S . Miller'" , "'Alan Stern'" , "'Simon Horman'" , "'Edward Hill'" , "'Laura Nao'" , "linux-usb@vger.kernel.org" , "'Grant Grundler'" , =?utf-8?B?J0Jqw7hybiBNb3JrJw==?= , "'Eric Dumazet'" , "'Paolo Abeni'" , "linux-kernel@vger.kernel.org" , "netdev@vger.kernel.org" Subject: RE: [PATCH v3 5/5] r8152: Block future register access if register access fails Thread-Topic: [PATCH v3 5/5] r8152: Block future register access if register access fails Thread-Index: AQHZ/UKPr2uppqw2y0WH24Vf4SC1orBMGX/AgAAGioCAAVSUAA== Date: Tue, 17 Oct 2023 13:07:17 +0000 Message-ID: <052401da00fa$dacccd90$906668b0$@realtek.com> References: <20231012192552.3900360-1-dianders@chromium.org> <20231012122458.v3.5.Ib2affdbfdc2527aaeef9b46d4f23f7c04147faeb@changeid> <29f9a2ff1979406489213909b940184f@realtek.com> In-Reply-To: Accept-Language: zh-TW, en-US Content-Language: zh-TW x-ms-exchange-messagesentrepresentingtype: 1 x-kse-serverinfo: RTEXMBS01.realtek.com.tw, 9 x-kse-antispam-interceptor-info: fallback x-kse-antivirus-interceptor-info: fallback Content-Type: text/plain; charset="utf-8" Content-ID: <4DC78EF98E3BE34C8DB0D4C57C8716A5@realtek.com> Content-Transfer-Encoding: base64 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-KSE-AntiSpam-Interceptor-Info: fallback X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net RG91ZyBBbmRlcnNvbiA8ZGlhbmRlcnNAY2hyb21pdW0ub3JnPg0KPiBTZW50OiBUdWVzZGF5LCBP Y3RvYmVyIDE3LCAyMDIzIDEyOjQ3IEFNDQpbLi4uDQo+ID4gPiAgc3RhdGljIGludCBnZW5lcmlj X29jcF9yZWFkKHN0cnVjdCByODE1MiAqdHAsIHUxNiBpbmRleCwgdTE2IHNpemUsDQo+ID4gPiBA QCAtODI2NSw2ICs4MzUzLDE5IEBAIHN0YXRpYyBpbnQgcnRsODE1Ml9wcmVfcmVzZXQoc3RydWN0 DQo+IHVzYl9pbnRlcmZhY2UNCj4gPiA+ICppbnRmKQ0KPiA+ID4gICAgICAgICBpZiAoIXRwKQ0K PiA+ID4gICAgICAgICAgICAgICAgIHJldHVybiAwOw0KPiA+ID4NCj4gPiA+ICsgICAgICAgLyog V2UgY2FuIG9ubHkgdXNlIHRoZSBvcHRpbWl6ZWQgcmVzZXQgaWYgd2UgbWFkZSBpdCB0byB0aGUg ZW5kIG9mDQo+ID4gPiArICAgICAgICAqIHByb2JlIHdpdGhvdXQgYW55IHJlZ2lzdGVyIGFjY2Vz cyBmYWlscywgd2hpY2ggc2V0cw0KPiA+ID4gKyAgICAgICAgKiBgUFJPQkVEX1dJVEhfTk9fRVJS T1JTYCB0byB0cnVlLiBJZiB3ZSBkaWRuJ3QgaGF2ZSB0aGF0IHRoZW4gcmV0dXJuDQo+ID4gPiAr ICAgICAgICAqIGFuIGVycm9yIGhlcmUgd2hpY2ggdGVsbHMgdGhlIFVTQiBmcmFtZXdvcmsgdG8g ZnVsbHkgdW5iaW5kL3JlYmluZA0KPiA+ID4gKyAgICAgICAgKiBvdXIgZHJpdmVyLg0KPiA+DQo+ ID4gV291bGQgeW91IHN0YXkgaW4gYSBsb29wIG9mIHVuYmluZCBhbmQgcmViaW5kLA0KPiA+IGlm IHRoZSBjb250cm9sIHRyYW5zZmVycyBpbiB0aGUgcHJvYmUoKSBhcmUgbm90IGFsd2F5cyBzdWNj ZXNzZnVsPw0KPiA+IEkganVzdCB0aGluayBhYm91dCB0aGUgd29yc3QgY2FzZSB0aGF0IGF0IGxl YXN0IG9uZSBjb250cm9sIGFsd2F5cyBmYWlscyBpbiBwcm9iZSgpLg0KPiANCj4gV2Ugd29uJ3Qh IDotKSBPbmUgb2YgdGhlIGZpcnN0IHRoaW5ncyB0aGF0IHJ0bDgxNTJfcHJvYmUoKSBkb2VzIGlz IHRvDQo+IGNhbGwgcnRsODE1Ml9nZXRfdmVyc2lvbigpLiBUaGF0IGdvZXMgdGhyb3VnaCB0bw0K PiBydGw4MTUyX2dldF92ZXJzaW9uKCkuIFRoYXQgZnVuY3Rpb24gX2RvZXNuJ3RfIHF1ZXVlIHVw IGEgcmVzZXQgaWYNCj4gdGhlcmUgYXJlIGNvbW11bmljYXRpb24gcHJvYmxlbXMsIGJ1dCBpdCBk b2VzIGRvIDMgcmV0cmllcyBvZiB0aGUNCj4gcmVhZC4gU28gaWYgYWxsIDMgcmVhZHMgZmFpbCB0 aGVuIHdlIHdpbGwgcGVybWFuZW50bHkgZmFpbCBwcm9iZSwNCj4gd2hpY2ggSSB0aGluayBpcyB0 aGUgY29ycmVjdCB0aGluZyB0byBkby4NCg0KVGhlIHByb2JlKCkgY29udGFpbnMgY29udHJvbCB0 cmFuc2ZlcnMgaW4NCgkxLiBydGw4MTUyX2dldF92ZXJzaW9uKCkNCgkyLiB0cC0+cnRsX29wcy5p bml0KCkNCg0KSWYgb25lIG9mIHRoZSAzIGNvbnRyb2wgdHJhbnNmZXJzIGluIDEpIGlzIHN1Y2Nl c3NmdWwgQU5EDQphbnkgY29udHJvbCB0cmFuc2ZlciBpbiAyKSBmYWlscywNCnlvdSB3b3VsZCBx dWV1ZSBhIHVzYiByZXNldCB3aGljaCB3b3VsZCB1bmJpbmQvcmViaW5kIHRoZSBkcml2ZXIuDQpU aGVuLCB0aGUgbG9vcCBzdGFydHMuDQpUaGUgbG9vcCB3b3VsZCBiZSBicm9rZW4sIGlmIGFuZCBv bmx5IGlmDQoJYSkgYWxsIGNvbnRyb2wgdHJhbnNmZXJzIGluIDEpIGZhaWwsIE9SDQoJYikgYWxs IGNvbnRyb2wgdHJhbnNmZXJzIGluIDIpIHN1Y2NlZWQuDQoNClRoYXQgaXMsIHRoZSBsb29wIHdv dWxkIGJlIGJyb2tlbiB3aGVuIHRoZSBmYWlsIHJhdGUgb2YgdGhlIGNvbnRyb2wgdHJhbnNmZXIg aXMgaGlnaCBvciBsb3cgZW5vdWdoLg0KT3RoZXJ3aXNlLCB5b3Ugd291bGQgcXVldWUgYSB1c2Ig cmVzZXQgYWdhaW4gYW5kIGFnYWluLg0KRm9yIGV4YW1wbGUsIGlmIHRoZSBmYWlsIHJhdGUgb2Yg dGhlIGNvbnRyb2wgdHJhbnNmZXIgaXMgMTAlIH4gNjAlLA0KSSB0aGluayB5b3UgaGF2ZSBoaWdo IHByb2JhYmlsaXR5IHRvIGtlZXAgdGhlIGxvb3AgY29udGludWFsbHkuDQpXb3VsZCBpdCBuZXZl ciBoYXBwZW4/DQoNCkJlc3QgUmVnYXJkcywNCkhheWVzDQoNCg0K