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Mon, 20 Apr 2020 16:25:51 +0000 From: "Daniel Walker (danielwa)" To: "Tudor.Ambarus@microchip.com" Subject: Re: [PATCH] mtd: spi-nor: Add 4B_OPCODES flag to n25q256a Thread-Topic: [PATCH] mtd: spi-nor: Add 4B_OPCODES flag to n25q256a Thread-Index: AQHWFzBbbqQ06SrDG0Ov1Hkds10F6g== Date: Mon, 20 Apr 2020 16:25:51 +0000 Message-ID: <20200420162550.GZ24466@zorba> References: <20200417174620.16420-1-danielwa@cisco.com> <12178429.kzmL6e4XO6@192.168.0.120> In-Reply-To: <12178429.kzmL6e4XO6@192.168.0.120> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-Auto-Response-Suppress: DR, OOF, AutoReply X-MS-TNEF-Correlator: user-agent: Mutt/1.9.4 (2018-02-28) authentication-results: spf=none (sender IP is ) smtp.mailfrom=danielwa@cisco.com; x-originating-ip: [128.107.241.173] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 54016b60-8d74-4013-feb6-08d7e5477ded x-ms-traffictypediagnostic: BYAPR11MB3336: x-ld-processed: 5ae1af62-9505-4097-a69a-c1553ef7840e,ExtAddr x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:6790; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On Mon, Apr 20, 2020 at 03:45:59PM +0000, Tudor.Ambarus@microchip.com wrote: > Hi, Daniel, > > On Friday, April 17, 2020 8:46:19 PM EEST Daniel Walker wrote: > > EXTERNAL EMAIL: Do not click links or open attachments unless you know the > > content is safe > > > > The n25q256a supports 4-byte opcodes so lets add the flag. > > This is not true for all the n25q256a flashes. SPINOR_OP_PP_4B, > SPINOR_OP_BE_4K_4B and SPINOR_OP_SE_4B are valid just for the part numbers > N25Q256A83ESF40x, N25Q256A83E1240x, and N25Q256A83ESFA0F. > > You need to differentiate between the aforementioned flashes and the rest in > the n25q256a, in order to add the 4-byte opcodes flag. How do you suggest I do that ? Can I add a new entry into this table with more specific information about the chips ? Daniel ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/