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Fri, 3 Jul 2020 12:20:24 +0000 From: To: , Subject: Re: [PATCH] mtd: spi-nor: spansion: Remove s70fl01gs from flash_info Thread-Topic: [PATCH] mtd: spi-nor: spansion: Remove s70fl01gs from flash_info Thread-Index: AQHWUTRS5lOAlsNPg0icRv7kM8FkZQ== Date: Fri, 3 Jul 2020 12:20:24 +0000 Message-ID: <48516fcf-70fd-dffe-96b4-39a7772eaabc@microchip.com> References: <20200626051650.495-1-Takahiro.Kuwano@cypress.com> In-Reply-To: <20200626051650.495-1-Takahiro.Kuwano@cypress.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 authentication-results: gmail.com; dkim=none (message not signed) header.d=none;gmail.com; dmarc=none action=none header.from=microchip.com; x-originating-ip: [94.177.32.156] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: e47d4d6b-2e78-45d9-04da-08d81f4b767b x-ms-traffictypediagnostic: BY5PR11MB4070: x-microsoft-antispam-prvs: x-bypassexternaltag: True x-ms-oob-tlc-oobclassifiers: OLM:3513; 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X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: richard@nod.at, Takahiro.Kuwano@cypress.com, Bacem.Daassi@cypress.com, vigneshr@ti.com, miquel.raynal@bootlin.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On 6/26/20 8:16 AM, kuwano.takahiro@gmail.com wrote: > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe > > From: Takahiro Kuwano > > The s70fl01gs is a dual die stack of two s25fl512s die with dedicated chip > select pins to each. Tested with the device and confirmed that is working > as two s25fl512s devices. The current device ID in the flash_info table Right, the datasheet specifies too that the S70FS01GS device is a dual die stack of two FS512S die. > matches with s70fs01gs which does not work with current MTD. s70fs01gs is not correctly supported indeed, but the lower half of it (first s25fl512s die) should work. Can't you correctly read/erase/write on the lower half of the s70fs01gs flash with the current code? Cheers, ta ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/