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Fri, 18 Jun 2021 06:43:36 +0000 Received: from relay9-d.mail.gandi.net ([217.70.183.199]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lu8E0-00CtbZ-Tu for linux-mtd@lists.infradead.org; Fri, 18 Jun 2021 06:43:35 +0000 Received: (Authenticated sender: miquel.raynal@bootlin.com) by relay9-d.mail.gandi.net (Postfix) with ESMTPSA id 125F9FF802; Fri, 18 Jun 2021 06:43:27 +0000 (UTC) Date: Fri, 18 Jun 2021 08:43:26 +0200 From: Miquel Raynal To: Christophe Leroy Cc: linux-mtd Subject: Re: nand: WARNING: a0000000.nand: the ECC used on your system (1b/256B) is too weak compared to the one required by the NAND chip (4b/512B) Message-ID: <20210618084326.0a074fb7@xps13> In-Reply-To: <817e89d4-790d-41a4-2a8e-9e119597e459@csgroup.eu> References: <817e89d4-790d-41a4-2a8e-9e119597e459@csgroup.eu> Organization: Bootlin X-Mailer: Claws Mail 3.17.7 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210617_234333_280665_12CC7736 X-CRM114-Status: GOOD ( 16.12 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org SGkgQ2hyaXN0b3BoZSwKCkNocmlzdG9waGUgTGVyb3kgPGNocmlzdG9waGUubGVyb3lAY3Nncm91 cC5ldT4gd3JvdGUgb24gVGh1LCAxNyBKdW4KMjAyMSAxOToxNzowNSArMDIwMDoKCj4gSGVsbG8g TWlxdWVsLAo+IAo+IEkgaGF2ZSBhIGJvYXJkIHJ1bm5pbmcgbGF0ZXN0IGtlcm5lbCB3aXRoIHRo ZSBmb2xsb3dpbmcgTkFORDoKPiAKPiBbICAgIDEuNTIzMDc2XSBuYW5kOiBkZXZpY2UgZm91bmQs IE1hbnVmYWN0dXJlciBJRDogMHgyYywgQ2hpcCBJRDogMHhkYQo+IFsgICAgMS41Mjk1MDVdIG5h bmQ6IE1pY3JvbiBNVDI5RjJHMDhBQkFFQVdQCj4gWyAgICAxLjUzMzUyNl0gbmFuZDogMjU2IE1p QiwgU0xDLCBlcmFzZSBzaXplOiAxMjggS2lCLCBwYWdlIHNpemU6IDIwNDgsIE9PQiBzaXoKPiBl OiA2NAo+IFsgICAgMS41NDExOTZdIG5hbmQ6IFdBUk5JTkc6IGEwMDAwMDAwLm5hbmQ6IHRoZSBF Q0MgdXNlZCBvbiB5b3VyIHN5c3RlbSAoMWIvMjU2Cj4gQikgaXMgdG9vIHdlYWsgY29tcGFyZWQg dG8gdGhlIG9uZSByZXF1aXJlZCBieSB0aGUgTkFORCBjaGlwICg0Yi81MTJCKQo+IAo+IFVudGls IG5vdyBJIHdhcyB1c2luZyBrZXJuZWwgNC4xNCBhbmQgSSB3YXMgaGF2aW5nIG5vIHByb2JsZW0s IGFsbHRob3VnaCBpdCB3YXMgYWxzbyBleGhpYml0aW5nIHRoZSBmb2xsb3dpbmcgKGxlc3MgZGV0 YWlsZWQpIHdhcm5pbmcKClllcywgSSBkZWNpZGVkIHRvIGdpdmUgbW9yZSBpbmZvIG9mIHdoYXQg aXMgdGhlIG1pbmltdW0gRUNDIHNjaGVtZSB0aGF0CnNob3VsZCBiZSB1c2VkIGFuZCB3aGF0IGlz IHRoZSBvbmUgYmVpbmcgYXBwbGllZC4KCj4gWyAgICAwLjU5MTAwOV0gbmFuZDogV0FSTklORzog YTAwMDAwMDAubmFuZDogdGhlIEVDQyB1c2VkIG9uIHlvdXIgc3lzdGVtIGlzIHRvbyB3ZWFrIGNv bXBhcmVkIHRvIHRoZSBvbmUgcmVxdWlyZWQgYnkgdGhlIE5BTkQgY2hpcAo+IAo+IE5vdyBhbmQg dGhlbiBJJ20gdXNpbmcgb25lIG9mIHRoZSBsYXRlc3Qga2VybmVscyAoVG9kYXkgaXMgNS4xMy1y YzYpLCBhbmQgc29tZXRpbWUgaW4gb25lIG9mIHRoZSA1LnggcmVsZWFzZXMsIEkgc3RhcnRlZCB0 byBnZXQgZXJyb3JzIGxpa2U6Cj4gCj4gWyAgICA1LjA5ODI2NV0gZWNjX3N3X2hhbW1pbmdfY29y cmVjdDogdW5jb3JyZWN0YWJsZSBFQ0MgZXJyb3IKPiBbICAgIDUuMTAzODU5XSB1YmkwIHdhcm5p bmc6IHViaV9pb19yZWFkOiBlcnJvciAtNzQgKEVDQyBlcnJvcikgd2hpbGUgcmVhZGluZyA2MAo+ ICAgYnl0ZXMgZnJvbSBQRUIgOTk6NTk4MjQsIHJlYWQgb25seSA2MCBieXRlcywgcmV0cnkKPiBb ICAgIDUuNTI1ODQzXSBlY2Nfc3dfaGFtbWluZ19jb3JyZWN0OiB1bmNvcnJlY3RhYmxlIEVDQyBl cnJvcgo+IFsgICAgNS41MzE1NzFdIGVjY19zd19oYW1taW5nX2NvcnJlY3Q6IHVuY29ycmVjdGFi bGUgRUNDIGVycm9yCj4gWyAgICA1LjUzNzQ5MF0gdWJpMCB3YXJuaW5nOiB1YmlfaW9fcmVhZDog ZXJyb3IgLTc0IChFQ0MgZXJyb3IpIHdoaWxlIHJlYWRpbmcgMzAKPiA3MyBieXRlcyBmcm9tIFBF QiAxMDc6MTA4OTc2LCByZWFkIG9ubHkgMzA3MyBieXRlcywgcmV0cnkKPiBbICAgIDUuNjkxMTIx XSBlY2Nfc3dfaGFtbWluZ19jb3JyZWN0OiB1bmNvcnJlY3RhYmxlIEVDQyBlcnJvcgo+IFsgICAg NS42OTY3MDldIGVjY19zd19oYW1taW5nX2NvcnJlY3Q6IHVuY29ycmVjdGFibGUgRUNDIGVycm9y Cj4gWyAgICA1LjcwMjQyNl0gZWNjX3N3X2hhbW1pbmdfY29ycmVjdDogdW5jb3JyZWN0YWJsZSBF Q0MgZXJyb3IKPiBbICAgIDUuNzA4MTQxXSBlY2Nfc3dfaGFtbWluZ19jb3JyZWN0OiB1bmNvcnJl Y3RhYmxlIEVDQyBlcnJvcgo+IFsgICAgNS43MTQxMDNdIHViaTAgd2FybmluZzogdWJpX2lvX3Jl YWQ6IGVycm9yIC03NCAoRUNDIGVycm9yKSB3aGlsZSByZWFkaW5nIDMwCj4gMzUgYnl0ZXMgZnJv bSBQRUIgMTA3OjI1MTQ0LCByZWFkIG9ubHkgMzAzNSBieXRlcywgcmV0cnkKPiBbICAgMjAuNTIz Njg5XSByYW5kb206IGNybmcgaW5pdCBkb25lCj4gWyAgIDIxLjg5MjEzMF0gZWNjX3N3X2hhbW1p bmdfY29ycmVjdDogdW5jb3JyZWN0YWJsZSBFQ0MgZXJyb3IKPiBbICAgMjEuODk3NzMwXSB1Ymkw IHdhcm5pbmc6IHViaV9pb19yZWFkOiBlcnJvciAtNzQgKEVDQyBlcnJvcikgd2hpbGUgcmVhZGlu ZyAxMwo+IDk0IGJ5dGVzIGZyb20gUEVCIDExNjo3NTc3NiwgcmVhZCBvbmx5IDEzOTQgYnl0ZXMs IHJldHJ5Cj4gCj4gTW9zdCBvZiB0aGUgdGltZSwgd2hlbiB0aGUgcmVhZGluZyBvZiB0aGUgZmls ZSBmYWlscywgSSBqdXN0IGhhdmUgdG8gcmVhZCBpdCBvbmNlIG1vcmUgYW5kIGl0IGdldHMgcmVh ZCB3aXRob3V0IHRoYXQgZXJyb3IuCgpJdCByZWFsbHkgbG9va3MgbGlrZSBhIHJlZ3VsYXIgYml0 ZmxpcCBoYXBwZW5pbmcgInNvbWV0aW1lcyIuIElzIHRoaXMgYQpib2FyZCB3aGljaCBhbHJlYWR5 IGhhZCBhIGxpZmU/IFdoYXQgYXJlIHRoZSB1c2FnZSBjb3VudGVycyAoVUJJIHNob3VsZAp0ZWxs IHlvdSB0aGlzKSBjb21wYXJlZCB0byB0aGUgb2ZmaWNpYWwgZW5kdXJhbmNlIG9mIHlvdXIgY2hp cCAoc2VlIHRoZQpkYXRhc2hlZXQpPwoKPiBXaGF0IGFtIEkgc3VwcG9zZWQgdG8gZG8gdG8gYXZv aWQgdGhlIEVDQyB3ZWFrbmVzcyB3YXJuaW5nIGF0IHN0YXJ0dXAgYW5kIHRvIGZpeCB0aGF0IEVD QyBlcnJvciBpc3N1ZSA/CgpJIGhvbmVzdGx5IGRvbid0IHRoaW5rIHRoZSBlcnJvcnMgY29tZSBm cm9tIHRoZSA1LjF4IGtlcm5lbHMgZ2l2ZW4gdGhlCmFib3ZlIGxvZ3MuIElmIHlvdSBmbGFzaCBi YWNrIHlvdXIgb2xkIDQuMTQgSSBhbSBwcmV0dHkgc3VyZSB5b3UnbGwKaGF2ZSB0aGUgc2FtZSBl cnJvcnMgYXQgc29tZSBwb2ludC4KCk5BTkQgcmVhbGx5IGlzIGEgZnJhZ2lsZSBzdG9yYWdlIG1l ZGl1bSwgbm90IGZvbGxvd2luZyBpbiBhIHByb2R1Y3Rpb24KZW52aXJvbm1lbnQgdGhlIG1pbmlt dW0gRUNDIHNjaGVtZSAodGhlcmUgaXMgYSByZWFsIGRpZmZlcmVuY2UgYmV0d2VlbgoxLzI1NiB2 cyA0LzUxMikgcmVhbGx5IGxlYWRzIHRvIGNvbXBsaWNhdGVkIHNvbHV0aW9ucyBsaWtlIHRoaXMg b25lLAp1bmZvcnR1bmF0ZWx5Li4uCgpUaGFua3MsCk1pcXXDqGwKCl9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpMaW51eCBNVEQgZGlzY3Vzc2lv biBtYWlsaW5nIGxpc3QKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5m by9saW51eC1tdGQvCg==