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Tue, 24 Dec 2019 00:29:19 +0000 From: To: , , CC: , , , Subject: Re: [PATCH] mtd: spi-nor: make s25fl129p1 skip SFDP parsing Thread-Topic: [PATCH] mtd: spi-nor: make s25fl129p1 skip SFDP parsing Thread-Index: AQHVufEtkjcsEusGKUy7fGgj5WyAIg== Date: Tue, 24 Dec 2019 00:29:18 +0000 Message-ID: <7f0a49d4-b693-f18d-50ff-4ad5b4fc05e3@microchip.com> References: <20191219081212.16927-1-jiwei.sun@windriver.com> In-Reply-To: <20191219081212.16927-1-jiwei.sun@windriver.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [86.122.210.80] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 514dd99a-c09b-4ea0-16f0-08d7880850b0 x-ms-traffictypediagnostic: MN2PR11MB3663: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:7691; x-forefront-prvs: 0261CCEEDF x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(366004)(376002)(346002)(39860400002)(136003)(396003)(199004)(189003)(110136005)(36756003)(5660300002)(6486002)(66476007)(76116006)(54906003)(91956017)(4326008)(64756008)(66556008)(66446008)(66946007)(71200400001)(478600001)(31686004)(86362001)(2616005)(2906002)(186003)(53546011)(6506007)(316002)(8936002)(31696002)(26005)(81166006)(81156014)(8676002)(6512007)(4744005);DIR:OUT;SFP:1101;SCL:1;SRVR:MN2PR11MB3663;H:MN2PR11MB4448.namprd11.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; 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Tue, 24 Dec 2019 00:29:19 +0000 From: To: , , Subject: Re: [PATCH] mtd: spi-nor: make s25fl129p1 skip SFDP parsing Thread-Topic: [PATCH] mtd: spi-nor: make s25fl129p1 skip SFDP parsing Thread-Index: AQHVufEtkjcsEusGKUy7fGgj5WyAIg== Date: Tue, 24 Dec 2019 00:29:18 +0000 Message-ID: <7f0a49d4-b693-f18d-50ff-4ad5b4fc05e3@microchip.com> References: <20191219081212.16927-1-jiwei.sun@windriver.com> In-Reply-To: <20191219081212.16927-1-jiwei.sun@windriver.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [86.122.210.80] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 514dd99a-c09b-4ea0-16f0-08d7880850b0 x-ms-traffictypediagnostic: MN2PR11MB3663: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:7691; x-forefront-prvs: 0261CCEEDF x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(366004)(376002)(346002)(39860400002)(136003)(396003)(199004)(189003)(110136005)(36756003)(5660300002)(6486002)(66476007)(76116006)(54906003)(91956017)(4326008)(64756008)(66556008)(66446008)(66946007)(71200400001)(478600001)(31686004)(86362001)(2616005)(2906002)(186003)(53546011)(6506007)(316002)(8936002)(31696002)(26005)(81166006)(81156014)(8676002)(6512007)(4744005); 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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, vigneshr@ti.com, jiwei.sun.bj@qq.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 Hi, Jiwei, On 12/19/19 10:12 AM, Jiwei Sun wrote: > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe > > From: jsun4 > > The right page size of S25FL129P has been gotten in the function > spi_nor_info_init_params() before invoking spi_nor_parse_bfpt(), > it is 256-bytes, but the size will be changed to 512 bytes in the > following function spi_nor_parse_bfpt(). And there is no explanation of > the SFDP according to the datasheet of S25FL129P. So we can skip > SFDP parsing. > Would you please dump the sfdp so that we can check what's going on? If the BFPT table has the page size param wrong, we can use the post_bfpt hook to correct it. This way we will still benefit of the rest of the info from BFPT. Cheers, ta ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/