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Mon, 4 Feb 2019 11:17:38 +0000 Received: from MN2PR08MB5951.namprd08.prod.outlook.com ([fe80::8cda:e314:bfb0:41fe]) by MN2PR08MB5951.namprd08.prod.outlook.com ([fe80::8cda:e314:bfb0:41fe%5]) with mapi id 15.20.1580.019; Mon, 4 Feb 2019 11:17:38 +0000 From: "Shivamurthy Shastri (sshivamurthy)" To: Boris Brezillon , Miquel Raynal , "linux-mtd@lists.infradead.org" , "linux-kernel@vger.kernel.org" CC: Richard Weinberger , David Woodhouse , Brian Norris , "Marek Vasut" , Frieder Schrempf , "Bean Huo (beanhuo)" , Schrempf Frieder , Chuanhong Guo Subject: [PATCH 0/2] Support parameter page and Redesign Micron SPI NAND Thread-Topic: [PATCH 0/2] Support parameter page and Redesign Micron SPI NAND Thread-Index: AdS8ehhwnTWZU3dFTAeM6H0r3MwoZA== Date: Mon, 4 Feb 2019 11:17:38 +0000 Message-ID: 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=sshivamurthy@micron.com; x-originating-ip: [165.225.81.44] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;MN2PR08MB5789;6:P5vSXiO4b7hK+jGftCqfaOXsBC3d6XDaPHro40I64zXZeb1EWcTrkuNl2H6Akgz+fBXQ9CkyeJXN/6KKRBNv5phThRPbtexE1/y/JywGGTM5PFYJ5+JrxE7fLNcgdemc8Lzj/tIkCg+ohG4A82ec1r3wOeo/sV2yexciTWCNTAMWqH3gMBrc5RCxXCeY2Q97lKBhYD0lsxjCOxnZ5viLOzjIDNRuNMiNBlRhf1NLQAvhr5fqGXg9icjwSvjqVhLMQmLJXjryGLHjiHo2iTJB8n5AjiFHDjjq3PZYsFYAZd78sspqgYOWhJLkxv8z86+WdUZsve1LSMa/19NloQtFoWLWE+Quv/I5B8hd/H3FC+TtDu5mNmGedaomnvSYPtGMrPziSXbZpPUnYxKzVpwwpGFv9lQ6GIpQRXp1HP19ZDPs8LBA5bryyNZI+I/zBTTacXiEsuX0GlU3FNx4jzkOjA==;5:xoP/bOvtExEylPKMcU5O8yK7DauvfD/TKgWsqqt/9JfZb5Xx3iPfKIrvFVyh6Sqg5HI+rzbWOHgNeodxm5AP7GIHcf0g6VvEXdeHd6wHCwns86VLI5gcumVb88wzocwvSFHDym9ZNrK9coSJxeiKkBJYovFDyZ8b82ybXyxr9fT8CYSx4htqzMPP41nGOnIvXJdhT+Zh9fdsq7zo8H1gZg==;7:1ObM6hrcVjYMwehrzR+4SQE5f/4CsGRo+NO5LhKwMxPcDeOimWPyU99oKOqydQHf9EJ0Ln9vGcje7NDgy7MnkHgSZIZtzeFwU7AloM4xO3cKR+An3M7nLo5MDPmFUvIOBmwkZa/4ZcWDFFxZUc8PTA== x-ms-office365-filtering-correlation-id: 881c2019-2c6c-4b0b-016c-08d68a925f1d x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(7168020)(4627221)(201703031133081)(201702281549075)(8990200)(5600110)(711020)(4605077)(2017052603328)(7153060)(7193020);SRVR:MN2PR08MB5789; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 881c2019-2c6c-4b0b-016c-08d68a925f1d X-MS-Exchange-CrossTenant-originalarrivaltime: 04 Feb 2019 11:17:38.4017 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: f38a5ecd-2813-4862-b11b-ac1d563c806f X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR08MB5789 X-OriginatorOrg: micron.com X-TM-AS-Product-Ver: SMEX-12.0.0.1782-8.200.1013-24408.005 X-TM-AS-Result: No--4.244000-0.000000-31 X-TM-AS-MatchedID: 700038-700057-780016-702358-707451-702762-709908-706719-7 04156-701604-704421-708797-700648-700016-703529-148004-148007-148020-148050 -41000-42000-42003-63 X-TM-AS-User-Approved-Sender: Yes X-TM-AS-User-Blocked-Sender: No X-MT-CheckInternalSenderRule: True X-Scanned-By: MIMEDefang 2.78 on 137.201.82.98 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Parameter page is supported by some of the manufacturers and instead of maintaining spinand_info structure for each flash it is better to use the parameter page to get the flash info. As I have seen the different datasheets, command required to access parameter page is same across the manufacturers. Micron SPI NAND flashes support parameter page, instead of adding 8 devices I thought it is better to re-design the code using parameter page. Shivamurthy Shastri (2): mtd: spinand: Add function to read parameter page mtd: spinand: micron: Support for all Micron SPI NAND flashes drivers/mtd/nand/spi/core.c | 62 ++++++++++++ drivers/mtd/nand/spi/micron.c | 172 +++++++++++++++++++++++++++------- drivers/mtd/nand/spi/micron.h | 83 ++++++++++++++++ include/linux/mtd/spinand.h | 3 + 4 files changed, 286 insertions(+), 34 deletions(-) create mode 100644 drivers/mtd/nand/spi/micron.h --=20 2.17.1