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Fri, 17 Jan 2020 15:57:38 +0800 Received: from [172.21.84.99] (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Fri, 17 Jan 2020 15:56:38 +0800 Message-ID: <1579247852.19362.10.camel@mtksdccf07> Subject: Re: [PATCH v1 1/2] scsi: ufs: set device as default active power mode during initialization only From: Stanley Chu To: Can Guo CC: "alim.akhtar@samsung.com" , "beanhuo@micron.com" , "bvanassche@acm.org" , "linux-scsi@vger.kernel.org" , Peter Wang =?UTF-8?Q?=28=E7=8E=8B=E4=BF=A1=E5=8F=8B=29?= , "CC Chou =?UTF-8?Q?=28=E5=91=A8=E5=BF=97=E6=9D=B0=29?=" , "Andy Teng ( =?ISO-8859-1?Q?=1B$B{}G!9(=1B(B?=)" , "jejb@linux.ibm.com" , Chun-Hung Wu =?UTF-8?Q?=28=E5=B7=AB=E9=A7=BF=E5=AE=8F=29?= , Ron Hsu =?UTF-8?Q?=28=E8=A8=B1=E8=BB=92=E6=A6=AE=29?= , "avri.altman@wdc.com" , "linux-mediatek@lists.infradead.org" , "linux-scsi-owner@vger.kernel.org" , "matthias.bgg@gmail.com" , "linux-arm-kernel@lists.infradead.org" , "martin.petersen@oracle.com" , Kuohong Wang =?UTF-8?Q?=28=E7=8E=8B=E5=9C=8B=E9=B4=BB=29?= , "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" , "subhashj@codeaurora.org" , "pedrom.sousa@synopsys.com" , "asutoshd@codeaurora.org" Date: Fri, 17 Jan 2020 15:57:32 +0800 In-Reply-To: References: <1577693546-7598-1-git-send-email-stanley.chu@mediatek.com> <1577693546-7598-2-git-send-email-stanley.chu@mediatek.com> <1577754469.13164.5.camel@mtkswgap22> <836772092daffd8283a97d633e59fc34@codeaurora.org> <1577766179.13164.24.camel@mtkswgap22> <1577778290.13164.45.camel@mtkswgap22> <44393ed9ff3ba9878bae838307e7eec0@codeaurora.org> <1577947124.13164.75.camel@mtkswgap22> <4888afd46a9065b7f298a5de039426c9@codeaurora.org> 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: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org SGkgQ2FuLA0KDQpPbiBGcmksIDIwMjAtMDEtMDMgYXQgMTM6MjggKzA4MDAsIENhbiBHdW8gd3Jv dGU6DQo+ID4gDQo+ID4gSGkgU3RhbmxleSwNCj4gPiANCj4gPiBBYm92ZSBkZXNjcmlwdGlvbiBp cyBjb3JyZWN0LiBUaGUgcmVhc29uIHdoeSB0aGUgVUZTIGRldmljZSBiZWNvbWVzDQo+ID4gQWN0 aXZlIGFmdGVyIHRoZSAxc3QgbGluayBzdGFydHVwIGluIHlvdXIgZXhwZXJpbWVudCBpcyBkdWUg dG8geW91DQo+ID4gc2V0IHNwbV9sdmwgdG8gNSwgZHVyaW5nIHN5c3RlbSBzdXNwZW5kLCBVRlMg ZGV2aWNlIGlzIHBvd2VyZWQgZG93bi4NCj4gPiBXaGVuIHJlc3VtZSBraWNrcyBzdGFydCwgdGhl IFVGUyBkZXZpY2UgaXMgcG93ZXIgY3ljbGVkIG9uY2UuDQo+ID4gDQo+ID4gTW9yZW92ZXIsIGlm IHlvdSBzZXQgcnBtX2x2bCB0byA1LCBkdXJpbmcgcnVudGltZSBzdXNwZW5kLCBpZiBia29wcyBp cw0KPiA+IGVuYWJsZWQsIHRoZSBVRlMgZGV2aWNlIHdpbGwgbm90IGJlIHBvd2VyZWQgb2ZmLCBt ZWFuaW5nIHdoZW4gcnVudGltZQ0KPiA+IHJlc3VtZSBraWNrcyBzdGFydCwgdGhlIFVGUyBkZXZp Y2UgaXMgbm90IHBvd2VyIGN5Y2xlZCwgaW4gdGhpcyBjYXNlLA0KPiA+IHdlIG5lZWQgMyB0aW1l cyBvZiBsaW5rIHN0YXJ0dXAuDQo+ID4gDQo+ID4gRG9lcyBhYm92ZSBleHBsYWluPw0KPiA+IA0K PiA+IFRoYW5rcywNCj4gPiANCj4gPiBDYW4gR3VvLg0KPiA+IA0KPiANCj4gSGkgU3RhbmxleSwN Cj4gDQo+IFNvcnJ5LCB0eXBvIGJlZm9yZS4gSSBtZWFudCBpZiBzZXQgcnBtX2x2bC9zcG1fbHZs IHRvIDUsIGR1cmluZyBzdXNwZW5kLA0KPiBpZiBpc19sdV9wb3dlcl9vbl93cCBpcyBzZXQsIHRo ZSBVRlMgZGV2aWNlIHdpbGwgbm90IGJlIGZ1bGx5IHBvd2VyZWQgDQo+IG9mZg0KPiAob25seSBW Q0MgaXMgZG93biksIG1lYW5pbmcgd2hlbiByZXN1bWUga2lja3Mgc3RhcnQsIHRoZSBVRlMgZGV2 aWNlIGlzIA0KPiBub3QNCj4gcG93ZXIgY3ljbGVkLCBpbiB0aGlzIGNhc2UsIHdlIG5lZWQgMyB0 aW1lcyBvZiBsaW5rIHN0YXJ0dXAuDQo+IA0KPiBSZWdhcmRzLA0KPiANCj4gQ2FuIEd1by4NCg0K SGkgQ2FuLA0KDQpWZXJ5IHNvcnJ5IGZvciBsYXRlIHJlc3BvbmRpbmcgdGhpcyB0aHJlYWQuDQoN Ck5vdyBJIHdvdWxkIGxpa2UgdG8gZm9jdXMgb24gMy10aW1lcyBsaW5rIHN0YXJ0dXAgYmVoYXZp b3IgZm91bmQgaW4gb3VyDQpwbGF0Zm9ybSBiZWNhdXNlIHRoaXMgZHJhbWF0aWNhbGx5IGRvd25n cmFkZSByZXN1bWUgcGVyZm9ybWFuY2UuDQoNCkFjY29yZGluZyB0byB5b3VyIGRlc2NyaXB0aW9u LCB0aGVuIGNvdWxkIHRoZSBkcml2ZXIgc2V0DQoibGlua19zdGFydHVwX2FnYWluIiBhcyB0cnVl IG9ubHkgaWYgImlzX2x1X3Bvd2VyX29uX3dwIiBpcyBzZXQgdG8gYXZvaWQNCnVubmVjZXNzYXJ5 IHRocmVlLXRpbWVzIGxpbmsgc3RhcnR1cCBpbiBvdGhlciBjYXNlcz8NCg0KSW4gYWRkaXRpb24s IGZvciB0aGUgc2NlbmFyaW8geW91IG1lbnRpb25lZDogInRoZSBVRlMgZGV2aWNlIHdpbGwgbm90 IGJlDQpmdWxseSBwb3dlcmVkIG9mZiAob25seSBWQ0MgaXMgZG93biksIG1lYW5pbmcgd2hlbiBy ZXN1bWUga2lja3Mgc3RhcnQsDQp0aGUgVUZTIGRldmljZSBpcyBub3QgcG93ZXIgY3ljbGVkIjog DQoNCjEuIEFjdHVhbGx5IEkgdHJpZWQgdG8gc2V0IHhwbV9sdmw9NSwgYW5kIGVuZm9yY2VkICJp c19sdV9wb3dlcl9vbl93cCINCmFzIHRydWUgZm9yIGV2YWx1YXRpb24sIGJ1dCBmb3VuZCBkZXZp Y2UgY2FuIGJlIHN0aWxsIGJhY2sgdG8gQWN0aXZlDQpQb3dlck1vZGUgKGNhbiBiZSBhY2Nlc3Nl ZCBub3JtYWxseSkgYWZ0ZXIgb25lLXRpbWUgbGluayBzdGFydHVwIGFmdGVyDQpyZXN1bWVkLiAN Cg0KT25seSBWQ0MgaXMgZG93biBhbmQgVkNDUTIgaXMga2VwdCBkdXJpbmcgc3VzcGVuZCBpbiBt eSBldmFsdWF0aW9uLg0KDQoyLiBJbiB0aGlzIHNjZW5hcmlvLCBkdXJpbmcgcmVzdW1lIHRoZSBw ZWVyIGRldmljZSBzaGFsbCBoYXZlICJVbmlQcm8NCldhcm0gUmVzZXQiIHRyaWdnZXJlZCBieSB0 aGUgZmlyc3QgbGluayBzdGFydC11cCBhbmQgdGhlbiBkZXZpY2UgcG93ZXINCm1vZGUgc2hhbGwg YmVjb21lIEFjdGl2ZSBhY2NvcmRpbmcgdG8gVUZTIHNwZWNpZmljYXRpb24uDQoNClNvIHdoYXQg ZGV2aWNlIHBvd2VyIG1vZGUgZGlkIHlvdSBzZWUgYWZ0ZXIgdGhlIGZpcnN0IGxpbmsgc3RhcnR1 cCBpbg0KdGhpcyBzY2VuYXJpbz8gT3IgYW55IG90aGVyIGNvbmRpdGlvbnMgdG8gbWFrZSBkZXZp Y2UgbmVlZA0KImxpbmtfc3RhcnR1cF9hZ2FpbiI/DQoNClRoYW5rcywNClN0YW5sZXkNCg0K