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Bottomley" , "martin.petersen@oracle.com" , Stanley Chu , Bean Huo , "tomas.winkler@intel.com" , Thomas Gleixner , Allison Randal , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH v3 2/4] scsi: ufs: Update VCCQ2 and VCCQ min/max voltage hard codes Thread-Topic: [PATCH v3 2/4] scsi: ufs: Update VCCQ2 and VCCQ min/max voltage hard codes Thread-Index: AQHVpCZIZTJgFdv/r0O4vZ8y+z7ltKedCXxggAk6IYCAADxtEA== Date: Mon, 2 Dec 2019 07:44:00 +0000 Message-ID: References: <1574751214-8321-1-git-send-email-cang@qti.qualcomm.com> <1574751214-8321-3-git-send-email-cang@qti.qualcomm.com> <0101016ec4ca5743-ec27a8f4-b0cd-427b-a65e-e6a26b10d45a-000000@us-west-2.amazonses.com> In-Reply-To: <0101016ec4ca5743-ec27a8f4-b0cd-427b-a65e-e6a26b10d45a-000000@us-west-2.amazonses.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Avri.Altman@wdc.com; x-originating-ip: [212.25.79.133] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 58580ee5-ed3a-4577-ca1f-08d776fb652f x-ms-traffictypediagnostic: MN2PR04MB6765: x-microsoft-antispam-prvs: wdcipoutbound: EOP-TRUE x-ms-oob-tlc-oobclassifiers: OLM:3826; x-forefront-prvs: 0239D46DB6 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(4636009)(366004)(39860400002)(376002)(396003)(136003)(346002)(199004)(189003)(25786009)(6116002)(15650500001)(6246003)(76176011)(2501003)(8676002)(33656002)(71200400001)(71190400001)(102836004)(1730700003)(6506007)(55016002)(54906003)(74316002)(9686003)(229853002)(6436002)(305945005)(7736002)(2351001)(81156014)(7696005)(26005)(14444005)(7416002)(66066001)(5640700003)(256004)(52536014)(446003)(11346002)(186003)(99286004)(14454004)(4326008)(8936002)(316002)(81166006)(4744005)(5660300002)(6916009)(86362001)(66946007)(66476007)(66556008)(64756008)(76116006)(2906002)(478600001)(66446008)(3846002);DIR:OUT;SFP:1102;SCL:1;SRVR:MN2PR04MB6765;H:MN2PR04MB6991.namprd04.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: mfeJKGKOaVFTVXwg9OkA+roXOz0b0D409pIw0zZW2KBEDkQ7Rd2C3npBp8aUS9RA6SJ5IaZE/Q9gTstA9Af7jIqfk3MwRYe+7y/+IWEYNYM7GuJy3Q+4UGDOXb6CGf5TDtJ23vmsG6UWVMrQ9SQn3uiS1n4MnmMF6PwzmAfoPpx5M5wqubKSU71dt7eShM+zWw+Yf40kxySlt6+lkXKG7/F9LjwWxe8aSPwJwMFXkEoupkfseE5frSr4u8GqPqpo1XiPyw7LFiyNl8jwMVzgwdDdMbsk/1v+s42C1TVbJdyOqCMwtlCLoUOiozbPk8G+aYrM/guAJRDjZU7e3wEPcMaacSeY8dJAO2IYOWo0LgU8SwyqcdeMTxlEivg77r7EZu2wIYUx7wdkUoGkOoudMMvaFW5ty9xO1SfMG5tNOIZIvo++mUjxTGjyC5lAta+Q x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: 58580ee5-ed3a-4577-ca1f-08d776fb652f X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Dec 2019 07:44:00.0842 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 3SAqfbMZnA630aAWnCvf13D+KGXbEEfrjYBnLM7k1nxKTOzwyvnSYy1hSaAQRg29L9bXRuPoPtZ3swcb8WbE2g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR04MB6765 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > >> Per UFS 3.0 JEDEC standard, the VCCQ2 min voltage is 1.7v and the > >> VCCQ voltage range is 1.14v ~ 1.26v. Update their hard codes > >> accordingly to make sure they work in a safe range compliant for ver > >> 1.0/1.1/2.0/2.1/3.0 UFS devices. > >> > >> Signed-off-by: Can Guo Reviewed-by: Avri Altman