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Subject: Re: [PATCH] mmc: block: Differentiate busy and non-TRAN state Thread-Topic: [PATCH] mmc: block: Differentiate busy and non-TRAN state Thread-Index: AQHXbl0Q77+Qfc7HWE6ez2HIF5qrJas1omGlgAAGD4CAAADv5IABbwLggAAg/s6AABt2cIAASmAI Date: Wed, 7 Jul 2021 14:42:57 +0000 Message-ID: References: , , , In-Reply-To: Accept-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: ecd81556-6325-41d2-9f48-08d9415582e3 x-ms-traffictypediagnostic: CWXP265MB2485: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:9508 x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0 x-microsoft-antispam-message-info: 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/0hzvasNRXj5Dravg9ZIVl4jTd2jnbw/fw5fOVQBP9kdz8LvAdguSkgCOA3y03EesQHENrydNq+Rf2EMWapFEg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CWXP265MB2485 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: hyperstone.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >> CMD16 - CMD42 Set PW - (CMD16)* - CMD42 Unlock Force Erase - (CMD42 >> Set PW)+ >> * May be omitted if you craft the CMD42 carefully (i.e. equal data size) >> + is pretty much irrelevant, can be replaced with anything that is illegal in >> PROG. >Oh, OK.  Interesting. >This functionality is missing in mmc-utils. >While at it, I encourage you to consider adding it. > >Thanks, >Avri That is true and I have thought about it. Unfortunately a locked card currently will not initalize, so not be open to the ioctl interface. So in fear of doing more harm than good I would first change that. (One thing is reading of SCR is required by linux-mmc but locked cards must not respond to it). Something I'm working on on the side but don't expect anything very soon. Kind Regards, Christian > > >Again, can you share the sequence of the commands you are using? > > > >Thanks, > >Avri > Hyperstone GmbH | Line-Eid-Strasse 3 | 78467 Konstanz > Managing Directors: Dr. Jan Peter Berns. > Commercial register of local courts: Freiburg HRB381782 Hyperstone GmbH | Line-Eid-Strasse 3 | 78467 Konstanz Managing Directors: Dr. Jan Peter Berns. Commercial register of local courts: Freiburg HRB381782