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Wed, 03 Feb 2021 10:05:34 +0000 Received: from relay7-d.mail.gandi.net ([217.70.183.200]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l7F2O-0000M3-Ob for linux-mtd@lists.infradead.org; Wed, 03 Feb 2021 10:05:32 +0000 X-Originating-IP: 86.210.203.150 Received: from xps13 (lfbn-tou-1-972-150.w86-210.abo.wanadoo.fr [86.210.203.150]) (Authenticated sender: miquel.raynal@bootlin.com) by relay7-d.mail.gandi.net (Postfix) with ESMTPSA id 6CF792000E; Wed, 3 Feb 2021 10:05:23 +0000 (UTC) Date: Wed, 3 Feb 2021 11:05:22 +0100 From: Miquel Raynal To: Manivannan Sadhasivam Subject: Re: [PATCH] mtd: rawnand: Do not check for bad block if bbt is unavailable Message-ID: <20210203110522.12f2b326@xps13> In-Reply-To: References: <20210130035412.6456-1-manivannan.sadhasivam@linaro.org> <20210201151824.5a9dca4a@xps13> <20210202041614.GA840@work> <20210202091459.0c41a769@xps13> Organization: Bootlin X-Mailer: Claws Mail 3.17.4 (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-20210203_050528_996441_B66D8873 X-CRM114-Status: GOOD ( 24.32 ) 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: vigneshr@ti.com, richard@nod.at, linux-kernel@vger.kernel.org, bjorn.andersson@linaro.org, boris.brezillon@collabora.com, linux-mtd@lists.infradead.org, linux-arm-msm@vger.kernel.org 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 SGkgTWFuaXZhbm5hbiwKCk1hbml2YW5uYW4gU2FkaGFzaXZhbSA8bWFuaXZhbm5hbi5zYWRoYXNp dmFtQGxpbmFyby5vcmc+IHdyb3RlIG9uIFdlZCwKMDMgRmViIDIwMjEgMTU6Mjg6MjAgKzA1MzA6 Cgo+IEhpIE1pcXVlbCwgCj4gCj4gT24gMiBGZWJydWFyeSAyMDIxIDE6NDQ6NTkgUE0gSVNULCBN aXF1ZWwgUmF5bmFsIDxtaXF1ZWwucmF5bmFsQGJvb3RsaW4uY29tPiB3cm90ZToKPiA+SGkgTWFu aXZhbm5hbiwKPiA+Cj4gPk1hbml2YW5uYW4gU2FkaGFzaXZhbSA8bWFuaXZhbm5hbi5zYWRoYXNp dmFtQGxpbmFyby5vcmc+IHdyb3RlIG9uIFR1ZSwKPiA+MiBGZWIgMjAyMSAwOTo0NjoxNCArMDUz MDoKPiA+ICAKPiA+PiBIaSwKPiA+PiAKPiA+PiBPbiBNb24sIEZlYiAwMSwgMjAyMSBhdCAwMzox ODoyNFBNICswMTAwLCBNaXF1ZWwgUmF5bmFsIHdyb3RlOiAgCj4gPj4gPiBIaSBNYW5pdmFubmFu LAo+ID4+ID4gCj4gPj4gPiBNYW5pdmFubmFuIFNhZGhhc2l2YW0gPG1hbml2YW5uYW4uc2FkaGFz aXZhbUBsaW5hcm8ub3JnPiB3cm90ZSBvbiAgCj4gPlNhdCwgIAo+ID4+ID4gMzAgSmFuIDIwMjEg MDk6MjQ6MTIgKzA1MzA6Cj4gPj4gPiAgICAgCj4gPj4gPiA+IFRoZSBiYnQgcG9pbnRlciB3aWxs IGJlIHVuYXZhaWxhYmxlIHdoZW4gTkFORF9TS0lQX0JCVFNDQU4gb3B0aW9uICAKPiA+aXMgIAo+ ID4+ID4gPiBzZXQgZm9yIGEgTkFORCBjaGlwLiBUaGUgaW50ZW50aW9uIGlzIHRvIHNraXAgc2Nh bm5pbmcgZm9yIHRoZSAgCj4gPmJhZCAgCj4gPj4gPiA+IGJsb2NrcyBkdXJpbmcgYm9vdCB0aW1l LiAgICAKPiA+PiA+IAo+ID4+ID4gSSBkb24ndCBoYXZlIHRoZSBzYW1lIHVuZGVyc3RhbmRpbmc6 IHRoaXMgZmxhZyBza2lwcyB0aGUgYmFkIGJsb2NrCj4gPj4gPiB0YWJsZSBzY2FuLCBub3QgdGhl IGJhZCBibG9jayBzY2FuLiBXZSBkbyB3YW50IHRvIHNjYW4gYWxsIHRoZSAgCj4gPmRldmljZXMg IAo+ID4+ID4gaW4gb3JkZXIgdG8gY29uc3RydWN0IGEgUkFNIGJhc2VkIHRhYmxlLgo+ID4+ID4g ICAgIAo+ID4+ID4gPiBIb3dldmVyLCB0aGUgTVREIGNvcmUgd2lsbCBjYWxsCj4gPj4gPiA+IF9i bG9ja19pc3Jlc2VydmVkKCkgYW5kIF9ibG9ja19pc2JhZCgpIGNhbGxiYWNrcyB1bmNvbmRpdGlv bmFsbHkgIAo+ID5mb3IgIAo+ID4+ID4gPiB0aGUgcmF3bmFuZCBkZXZpY2VzIGR1ZSB0byB0aGUg Y2FsbGJhY2tzIGFsd2F5cyBwcmVzZW50IHdoaWxlICAKPiA+Y29sbGVjdGluZyAgCj4gPj4gPiA+ IHRoZSBlY2Mgc3RhdHMuCj4gPj4gPiA+IAo+ID4+ID4gPiBUaGUgX2Jsb2NrX2lzcmVzZXJ2ZWQo KSBjYWxsYmFjayBmb3IgcmF3bmFuZCB3aWxsIGJhaWwgb3V0IGlmIGJidAo+ID4+ID4gPiBwb2lu dGVyIGlzIG5vdCBhdmFpbGFibGUuIEJ1dCBfYmxvY2tfaXNiYWQoKSB3aWxsIGNvbnRpbnVlICAK PiA+d2l0aG91dCAgCj4gPj4gPiA+IGNoZWNraW5nIGZvciBpdC4gU28gdGhpcyBjb250cmFkaWN0 cyB3aXRoIHRoZSBOQU5EX1NLSVBfQkJUU0NBTiAgCj4gPm9wdGlvbiAgCj4gPj4gPiA+IHNpbmNl IHRoZSBiYWQgYmxvY2sgY2hlY2sgd2lsbCBoYXBwZW4gYW55d2F5cyAoaWUuLCBub3QgbXVjaCAg Cj4gPmRpZmZlcmVuY2UgIAo+ID4+ID4gPiBiZXR3ZWVuIHNjYW5uaW5nIGZvciBiYWQgYmxvY2tz IGFuZCBjaGVja2luZyBlYWNoIGJsb2NrIGZvciBiYWQgIAo+ID5vbmVzKS4gIAo+ID4+ID4gPiAK PiA+PiA+ID4gSGVuY2UsIGRvIG5vdCBjaGVjayBmb3IgdGhlIGJhZCBibG9jayBpZiBiYnQgcG9p bnRlciBpcyAgCj4gPnVuYXZhaWxhYmxlLiAgICAKPiA+PiA+IAo+ID4+ID4gTm90IGNoZWNraW5n IGZvciBiYWQgYmxvY2tzIGF0IGFsbCBmZWVscyBpbnNhbmUuIEkgZG9uJ3QgcmVhbGx5IGdldCAg Cj4gPnRoZSAgCj4gPj4gPiBzY29wZSBhbmQgZ29hbCBvZiBzdWNoIGNoYW5nZT8KPiA+PiA+ICAg ICAKPiA+PiAKPiA+PiBUaGUgaXNzdWUgSSBlbmNvdW50ZXJlZCBpcywgb24gdGhlIFRlbGl0IEZO OTgwIGRldmljZSBvbmUgb2YgdGhlCj4gPj4gcGFydGl0aW9uIHNlZW1zIHRvIGJlIHByb3RlY3Rl ZC4gU28gdHJ5aW5nIHRvIHJlYWQgdGhlIGJhZCBibG9ja3MgaW4KPiA+PiB0aGF0IHBhcnRpdGlv biBtYWtlcyB0aGUgZGV2aWNlIHRvIHJlYm9vdCBkdXJpbmcgYm9vdC4gIAo+ID4KPiA+b19PCj4g Pgo+ID5SZWFkaW5nIGEgcHJvdGVjdGVkIGJsb2NrIG1ha2VzIHRoZSBkZXZpY2UgdG8gcmVib290 Pwo+ID4KPiA+V2hhdCBpcyB0aGUgZXhhY3QgZGV2aWNlPyBDYW4geW91IHNoYXJlIHRoZSBkYXRh c2hlZXQ/IElzIHRoaXMgYmVoYXZpb3IKPiA+ZXhwZWN0ZWQ/IEJlY2F1c2UgaXQgc2VlbXMgcmVh bGx5IGJyb2tlbiB0byBtZSwgYSByZWFkIHNob3VsZCBub3QKPiA+dHJpZ2dlciAqYW55dGhpbmcq IHRoYXQgYmFkLgo+ID4gIAo+IAo+IEkgZ290IG1vcmUgaW5mb3JtYXRpb24gZnJvbSB0aGUgdmVu ZG9yLCBUZWxpdC4gVGhlIGFjY2VzcyB0byB0aGUgM3JkIHBhcnRpdGlvbiBpcyBwcm90ZWN0ZWQg YnkgVHJ1c3R6b25lIGFuZCBhbnkgYWNjZXNzIGluIG5vbiBwcml2aWxlZ2VkIG1vZGUgKHdoZXJl IExpbnV4IGtlcm5lbCBydW5zKSBjYXVzZXMga2VybmVsIHBhbmljIGFuZCB0aGUgZGV2aWNlIHJl Ym9vdHMuIAoKT2ssIHNvIHRoaXMgaXMgbm90IGEgY2hpcCBmZWF0dXJlIGJ1dCBtb3JlIGEgaG9z dCBjb25zdHJhaW50LgoKSW4gdGhpcyBjYXNlIGl0IHdvdWxkIGJlIGEgZ29vZCBpZGVhIHRvIGFk ZCBhIGhvc3QgRFQgcHJvcGVydHkgd2hpY2gKZGVzY3JpYmVzIHRoZSB6b25lIHRvIGF2b2lkIGFj Y2Vzc2luZyBpdC4gU29tZXRoaW5nIGxpa2U6CgoJc2VjdXJlLWFyZWEvc2VjdXJlLXNlY3Rpb24g PSA8c3RhcnQgbGVuZ3RoPjsKCkZyb20gdGhlIGNvcmUgcGVyc3BlY3RpdmUsIHdlIHNob3VsZCBw YXJzZSB0aGlzIHByb3BlcnR5IGVhcmx5IGVub3VnaAphbmQgcmV0dXJuIC1FSU8gd2hlbiB0cnlp bmcgdG8gYWNjZXNzIHRoaXMgYXJlYS4KCkRvZXMgdGhpcyBzb2x1dGlvbiBzb3VuZCByZWFzb25h YmxlIHRvIHlvdT8KClRoYW5rcywKTWlxdcOobAoKX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4IE1URCBkaXNjdXNzaW9uIG1haWxpbmcg bGlzdApodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LW10 ZC8K