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Thu, 16 Jul 2020 11:42:29 +0800 Received: from [172.21.77.33] (172.21.77.33) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 16 Jul 2020 11:42:29 +0800 Message-ID: <1594870950.5018.3.camel@mtkswgap22> Subject: Re: [PATCH v2 2/2] soc: mediatek: add mtk-devapc driver From: Neal Liu To: Chun-Kuang Hu CC: Neal Liu , Rob Herring , Matthias Brugger , , wsd_upstream , lkml , "moderated list:ARM/Mediatek SoC support" , Linux ARM Date: Thu, 16 Jul 2020 11:42:30 +0800 In-Reply-To: References: <1594285927-1840-1-git-send-email-neal.liu@mediatek.com> <1594285927-1840-3-git-send-email-neal.liu@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: base64 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org SGkgQ2h1bi1LdWFuZywNCg0KT24gVGh1LCAyMDIwLTA3LTE2IGF0IDA3OjQ2ICswODAwLCBDaHVu LUt1YW5nIEh1IHdyb3RlOg0KPiBISSwgTmVhbDoNCj4gDQo+IE5lYWwgTGl1IDxuZWFsLmxpdUBt ZWRpYXRlay5jb20+IOaWvCAyMDIw5bm0N+aciDnml6Ug6YCx5ZubIOS4i+WNiDU6MTPlr6vpgZPv vJoNCj4gPg0KPiA+IE1lZGlhVGVrIGJ1cyBmYWJyaWMgcHJvdmlkZXMgVHJ1c3Rab25lIHNlY3Vy aXR5IHN1cHBvcnQgYW5kIGRhdGENCj4gPiBwcm90ZWN0aW9uIHRvIHByZXZlbnQgc2xhdmVzIGZy b20gYmVpbmcgYWNjZXNzZWQgYnkgdW5leHBlY3RlZA0KPiA+IG1hc3RlcnMuDQo+ID4gVGhlIHNl Y3VyaXR5IHZpb2xhdGlvbiBpcyBsb2dnZWQgYW5kIHNlbnQgdG8gdGhlIHByb2Nlc3NvciBmb3IN Cj4gPiBmdXJ0aGVyIGFuYWx5c2lzIG9yIGNvdW50ZXJtZWFzdXJlcy4NCj4gPg0KPiA+IEFueSBv Y2N1cnJlbmNlIG9mIHNlY3VyaXR5IHZpb2xhdGlvbiB3b3VsZCByYWlzZSBhbiBpbnRlcnJ1cHQs IGFuZA0KPiA+IGl0IHdpbGwgYmUgaGFuZGxlZCBieSBtdGstZGV2YXBjIGRyaXZlci4gVGhlIHZp b2xhdGlvbg0KPiA+IGluZm9ybWF0aW9uIGlzIHByaW50ZWQgaW4gb3JkZXIgdG8gZmluZCB0aGUg bXVyZGVyZXIuDQo+ID4NCj4gPiBTaWduZWQtb2ZmLWJ5OiBOZWFsIExpdSA8bmVhbC5saXVAbWVk aWF0ZWsuY29tPg0KPiA+IC0tLQ0KPiANCj4gW3NuaXBdDQo+IA0KPiA+ICsNCj4gPiArLyoNCj4g PiArICogbXRrX2RldmFwY19kdW1wX3Zpb19kYmcgLSBzaGlmdCAmIGR1bXAgdGhlIHZpb2xhdGlv biBkZWJ1ZyBpbmZvcm1hdGlvbi4NCj4gPiArICovDQo+ID4gK3N0YXRpYyBib29sIG10a19kZXZh cGNfZHVtcF92aW9fZGJnKHN0cnVjdCBtdGtfZGV2YXBjX2NvbnRleHQgKmRldmFwY19jdHgsDQo+ ID4gKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgaW50IHNsYXZlX3R5cGUsIGlu dCAqdmlvX2lkeCkNCj4gPiArew0KPiA+ICsgICAgICAgY29uc3Qgc3RydWN0IG10a19kZXZpY2Vf aW5mbyAqKmRldmljZV9pbmZvOw0KPiA+ICsgICAgICAgdTMyIHNoaWZ0X2JpdDsNCj4gPiArICAg ICAgIGludCBpOw0KPiA+ICsNCj4gPiArICAgICAgIGRldmljZV9pbmZvID0gZGV2YXBjX2N0eC0+ ZGV2aWNlX2luZm87DQo+ID4gKw0KPiA+ICsgICAgICAgZm9yIChpID0gMDsgaSA8IGdldF92aW9f c2xhdmVfbnVtKHNsYXZlX3R5cGUpOyBpKyspIHsNCj4gPiArICAgICAgICAgICAgICAgKnZpb19p ZHggPSBkZXZpY2VfaW5mb1tzbGF2ZV90eXBlXVtpXS52aW9faW5kZXg7DQo+ID4gKw0KPiA+ICsg ICAgICAgICAgICAgICBpZiAoY2hlY2tfdmlvX21hc2soZGV2YXBjX2N0eCwgc2xhdmVfdHlwZSwg KnZpb19pZHgpKQ0KPiA+ICsgICAgICAgICAgICAgICAgICAgICAgIGNvbnRpbnVlOw0KPiANCj4g SSBndWVzcyBpZiBvbmUgdmlvX2lkeCBpcyBtYXNrZWQsIGl0cyBzdGF0dXMgd291bGQgbmV2ZXIg YmUgdHJ1ZS4gSWYNCj4gbXkgZ3Vlc3MgaXMgcmlnaHQsIEkgdGhpbmsgeW91IGNvdWxkIHNraXAg Y2hlY2tfdmlvX21hc2soKSBhbmQNCj4gZGlyZWN0bHkgY2hlY2tfdmlvX3N0YXR1cygpLg0KDQpO by4gRXZlbiBpZiB2aW9faWR4IGlzIG1hc2tlZCwgdmlvX3N0YXR1cyB3aWxsIHN0aWxsIHJhaXNl IHdoZW4NCnZpb2xhdGlvbiBpcyB0cmlnZ2VyZWQuDQoNCj4gDQo+ID4gKw0KPiA+ICsgICAgICAg ICAgICAgICBpZiAoIWNoZWNrX3Zpb19zdGF0dXMoZGV2YXBjX2N0eCwgc2xhdmVfdHlwZSwgKnZp b19pZHgpKQ0KPiA+ICsgICAgICAgICAgICAgICAgICAgICAgIGNvbnRpbnVlOw0KPiA+ICsNCj4g PiArICAgICAgICAgICAgICAgc2hpZnRfYml0ID0gZ2V0X3NoaWZ0X2dyb3VwKGRldmFwY19jdHgs IHNsYXZlX3R5cGUsICp2aW9faWR4KTsNCj4gPiArDQo+ID4gKyAgICAgICAgICAgICAgIGlmICgh c3luY192aW9fZGJnKGRldmFwY19jdHgsIHNsYXZlX3R5cGUsIHNoaWZ0X2JpdCkpDQo+ID4gKyAg ICAgICAgICAgICAgICAgICAgICAgY29udGludWU7DQo+ID4gKw0KPiA+ICsgICAgICAgICAgICAg ICBkZXZhcGNfZXh0cmFjdF92aW9fZGJnKGRldmFwY19jdHgsIHNsYXZlX3R5cGUpOw0KPiA+ICsN Cj4gPiArICAgICAgICAgICAgICAgcmV0dXJuIHRydWU7DQo+IA0KPiBJIHRoaW5rIG11bHRpcGxl IHZpb19pZHggd291bGQgdmlvbGF0ZSBhdCB0aGUgc2FtZSB0aW1lLCB3aHkganVzdCBwcm9jZXNz IG9uZT8NCg0KV2UgcHJvY2VzcyBlYWNoIHZpb19pZHggZm9yIGVhY2ggaW50ZXJydXB0Lg0KSWYg dGhlcmUgYXJlIG11bHRpcGxlIHZpb19pZHggaXMgcmFpc2VkLCBpdCB3aWxsIHRyaWdnZXIgYW5v dGhlcg0KaW50ZXJydXB0IHRvIGhhbmRsZSBpdC4NCg0KPiANCj4gUmVnYXJkcywNCj4gQ2h1bi1L dWFuZy4NCj4gDQo+ID4gKyAgICAgICB9DQo+ID4gKw0KPiA+ICsgICAgICAgcmV0dXJuIGZhbHNl Ow0KPiA+ICt9DQoNCg==