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Fri, 8 May 2020 07:50:54 +0800 Message-ID: <1588895457.3197.40.camel@mtkswgap22> Subject: Re: [PATCH v5 1/8] scsi: ufs: enable WriteBooster on some pre-3.1 UFS devices From: Stanley Chu To: Avri Altman CC: "linux-scsi@vger.kernel.org" , "martin.petersen@oracle.com" , "alim.akhtar@samsung.com" , "jejb@linux.ibm.com" , "asutoshd@codeaurora.org" , "bvanassche@acm.org" , "andy.teng@mediatek.com" , "chun-hung.wu@mediatek.com" , "kuohong.wang@mediatek.com" , "linux-kernel@vger.kernel.org" , "cang@codeaurora.org" , "linux-mediatek@lists.infradead.org" , "peter.wang@mediatek.com" , "matthias.bgg@gmail.com" , "linux-arm-kernel@lists.infradead.org" , "beanhuo@micron.com" Date: Fri, 8 May 2020 07:50:57 +0800 In-Reply-To: <1588602837.3197.32.camel@mtkswgap22> References: <20200503113415.21034-1-stanley.chu@mediatek.com> <20200503113415.21034-2-stanley.chu@mediatek.com> <1588602837.3197.32.camel@mtkswgap22> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 MIME-Version: 1.0 X-TM-SNTS-SMTP: E528BD5724FFA756FDB6C319DCE7ED3EFAD25D9B4B53F50DE16DB1ECC31FC39B2000:8 X-MTK: N Content-Transfer-Encoding: base64 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org SGkgQXZyaSwNCk9uIE1vbiwgMjAyMC0wNS0wNCBhdCAyMjozMyArMDgwMCwgU3RhbmxleSBDaHUg d3JvdGU6DQo+IEhpIEF2cmksDQo+IA0KPiBPbiBNb24sIDIwMjAtMDUtMDQgYXQgMTA6MzcgKzAw MDAsIEF2cmkgQWx0bWFuIHdyb3RlOg0KPiA+ID4gDQo+ID4gPiAgc3RhdGljIHZvaWQgdWZzaGNk X3diX3Byb2JlKHN0cnVjdCB1ZnNfaGJhICpoYmEsIHU4ICpkZXNjX2J1ZikNCj4gPiA+ICB7DQo+ ID4gPiArICAgICAgIGlmICghdWZzaGNkX2lzX3diX2FsbG93ZWQoaGJhKSkNCj4gPiA+ICsgICAg ICAgICAgICAgICByZXR1cm47DQo+ID4gPiArDQo+ID4gPiArICAgICAgIGlmIChoYmEtPmRlc2Nf c2l6ZS5kZXZfZGVzYyA8PQ0KPiA+ID4gREVWSUNFX0RFU0NfUEFSQU1fRVhUX1VGU19GRUFUVVJF X1NVUCkNCj4gPiBTaG91bGQgYmUgDQo+ID4gREVWSUNFX0RFU0NfUEFSQU1fRVhUX1VGU19GRUFU VVJFX1NVUCArIDQgDQo+IA0KPiBJIHRoaW5rIHRoaXMgZGVzY3JpcHRpb24gbGVuZ3RoIGNoZWNr IGlzIHJlZHVuZGFudCBiZWNhdXNlIHRoZSBkZXZpY2UNCj4gcXVpcmsgc2hhbGwgYmUgYWRkZWQg b25seSBhZnRlciBXcml0ZUJvb3N0ZXIgc3VwcG9ydGF0IGlzIGNvbmZpcm1lZCBpbg0KPiBhdHRh Y2hlZCBVRlMgZGV2aWNlLiBTbyBJIHdpbGwgcmVtb3ZlIHRoaXMgaW4gbmV4dCB2ZXJzaW9uLg0K DQpTb3JyeSB0aGlzIHN0YXRlbWVudCBpcyBpbmNvcnJlY3QgYmVjYXVzZSB0aGlzIGtpbmQgb24g ZGV2aWNlcyBtYXkgaGF2ZQ0Kc2hvcnQgKHdpdGhvdXQgREVWSUNFX0RFU0NfUEFSQU1fRVhUX1VG U19GRUFUVVJFX1NVUCBmaWVsZCkgYmVmb3JlDQpmaXJtd2FyZSB1cGdyYWRpbmcuIFNvIHRoZSBj aGVja2luZyBmb3IgZGVzY3JpcHRvciBsZW5ndGggaXMgc3RpbGwNCnJlcXVpcmVkIHRvIGF2b2lk IG91dC1vZi1ib3VuZGFyeSBhY2Nlc3MgaW4gYmVsb3cgY29kZXMuDQoNCkkgd2lsbCBhZGQgaXQg YmFjayBpbiBuZXh0IHZlcnNpb24gYW5kIGFsc28gZml4IHRoZSBsZW5ndGguDQoNClRoYW5rcywN ClN0YW5sZXkgQ2h1DQoNCj4gPiANCj4gPiBfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXw0KPiA+IExpbnV4LW1lZGlhdGVrIG1haWxpbmcgbGlzdA0KPiA+IExp bnV4LW1lZGlhdGVrQGxpc3RzLmluZnJhZGVhZC5vcmcNCj4gPiBodHRwOi8vbGlzdHMuaW5mcmFk ZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LW1lZGlhdGVrDQo+IA0KDQo=