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Mon, 23 Mar 2020 21:33:52 +0000 From: To: Subject: Re: [PATCH v3 1/5] mtd: spi-nor: Fix gap in SR block protection locking Thread-Topic: [PATCH v3 1/5] mtd: spi-nor: Fix gap in SR block protection locking Thread-Index: AQHWAPTc+rZUxlHsAUikj/5G7+sVP6hWs5OA Date: Mon, 23 Mar 2020 21:33:52 +0000 Message-ID: <6757753.zy4y8y8RWT@192.168.0.120> References: <20200323092430.1466234-1-tudor.ambarus@microchip.com> <401ca7a54a8d327a0397880db6a9a475@walle.cc> <3123463.3oovMYBsBI@192.168.0.120> In-Reply-To: <3123463.3oovMYBsBI@192.168.0.120> 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=Tudor.Ambarus@microchip.com; x-originating-ip: [94.177.32.156] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: c8a3e3c1-cf3f-4458-59bb-08d7cf71e1d9 x-ms-traffictypediagnostic: BY5PR11MB4308: x-microsoft-antispam-prvs: x-bypassexternaltag: True x-ms-oob-tlc-oobclassifiers: OLM:4941; x-forefront-prvs: 0351D213B3 x-forefront-antispam-report: SFV:NSPM; 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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: linux-mtd@lists.infradead.org, vigneshr@ti.com, js07.lee@samsung.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 Monday, March 23, 2020 11:30:44 PM EET Tudor Ambarus wrote: > > With this patch applied: > > > > # flash_lock -u /dev/mtd1 0 64 > > # cat > > /sys/devices/platform/soc/20c0000.spi/spi_master/spi0/spi0.0/status_reg > > 00 > > # flash_lock -l /dev/mtd1 0 1 > > flash_lock: error!: could not lock device: /dev/mtd1 > > > > error 22 (Invalid argument) > > I'm wondering what was the reason for the -EINVAL. Probably because the BP bits would have value zero. ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/