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spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 095CA6E9C4; Wed, 13 May 2020 09:09:33 +0000 (UTC) Received: from relay7-d.mail.gandi.net (relay7-d.mail.gandi.net [217.70.183.200]) by gabe.freedesktop.org (Postfix) with ESMTPS id 59FEF6E84F for ; Tue, 12 May 2020 07:16:42 +0000 (UTC) X-Originating-IP: 91.224.148.103 Received: from xps13 (unknown [91.224.148.103]) (Authenticated sender: miquel.raynal@bootlin.com) by relay7-d.mail.gandi.net (Postfix) with ESMTPSA id 2B8632000C; Tue, 12 May 2020 07:16:38 +0000 (UTC) Date: Tue, 12 May 2020 09:16:37 +0200 From: Miquel Raynal To: =?UTF-8?B?w4FsdmFybyBGZXJuw6FuZGV6?= Rojas Subject: Re: [PATCH v3] mtd: rawnand: brcmnand: correctly verify erased pages Message-ID: <20200512091637.198dd0c2@xps13> In-Reply-To: <20200512065111.716801-1-noltari@gmail.com> References: <20200505082055.2843847-1-noltari@gmail.com> <20200512065111.716801-1-noltari@gmail.com> Organization: Bootlin X-Mailer: Claws Mail 3.17.4 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-Mailman-Approved-At: Wed, 13 May 2020 09:09:29 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: vigneshr@ti.com, kdasu.kdev@gmail.com, richard@nod.at, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-mtd@lists.infradead.org, bcm-kernel-feedback-list@broadcom.com, computersforpeace@gmail.com, linux-media@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" SGkgw4FsdmFybywKCsOBbHZhcm8gRmVybsOhbmRleiBSb2phcyA8bm9sdGFyaUBnbWFpbC5jb20+ IHdyb3RlIG9uIFR1ZSwgMTIgTWF5IDIwMjAKMDg6NTE6MTEgKzAyMDA6Cgo+IFRoZSBjdXJyZW50 IGNvZGUgY2hlY2tzIHRoYXQgdGhlIHdob2xlIE9PQiBhcmVhIGlzIGVyYXNlZC4KPiBUaGlzIGlz IGEgcHJvYmxlbSB3aGVuIEpGRlMyIGNsZWFubWFya2VycyBhcmUgYWRkZWQgdG8gdGhlIE9PQiwg c2luY2UgaXQgd2lsbAo+IGZhaWwgZHVlIHRvIHRoZSB1c2FibGUgT09CIGJ5dGVzIG5vdCBiZWlu ZyAweGZmLgo+IENvcnJlY3QgdGhpcyBieSBvbmx5IGNoZWNraW5nIHRoYXQgZGF0YSBhbmQgRUND IGJ5dGVzIGFyZW4ndCAweGZmLgo+IAo+IEZpeGVzOiAwMmI4OGVlYTlmOWMgKCJtdGQ6IGJyY21u YW5kOiBBZGQgY2hlY2sgZm9yIGVyYXNlZCBwYWdlIGJpdGZsaXBzIikKPiBTaWduZWQtb2ZmLWJ5 OiDDgWx2YXJvIEZlcm7DoW5kZXogUm9qYXMgPG5vbHRhcmlAZ21haWwuY29tPgo+IC0tLQo+ICB2 MzogRml4IGNvbW1pdCBsb2cgYW5kIG1lcmdlIG5hbmRfY2hlY2tfZXJhc2VkX2VjY19jaHVuayBj YWxscy4KPiAgdjI6IEFkZCBGaXhlcyB0YWcKPiAKPiAgZHJpdmVycy9tdGQvbmFuZC9yYXcvYnJj bW5hbmQvYnJjbW5hbmQuYyB8IDE5ICsrKysrKysrKysrKysrLS0tLS0KPiAgMSBmaWxlIGNoYW5n ZWQsIDE0IGluc2VydGlvbnMoKyksIDUgZGVsZXRpb25zKC0pCj4gCj4gZGlmZiAtLWdpdCBhL2Ry aXZlcnMvbXRkL25hbmQvcmF3L2JyY21uYW5kL2JyY21uYW5kLmMgYi9kcml2ZXJzL210ZC9uYW5k L3Jhdy9icmNtbmFuZC9icmNtbmFuZC5jCj4gaW5kZXggZTRlM2NlZWFjMzhmLi44MGZlMDFmMDM1 MTYgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9tdGQvbmFuZC9yYXcvYnJjbW5hbmQvYnJjbW5hbmQu Ywo+ICsrKyBiL2RyaXZlcnMvbXRkL25hbmQvcmF3L2JyY21uYW5kL2JyY21uYW5kLmMKPiBAQCAt MjAxOCw4ICsyMDE4LDkgQEAgc3RhdGljIGludCBicmNtbmFuZF9yZWFkX2J5X3BpbyhzdHJ1Y3Qg bXRkX2luZm8gKm10ZCwgc3RydWN0IG5hbmRfY2hpcCAqY2hpcCwKPiAgc3RhdGljIGludCBicmNt c3RiX25hbmRfdmVyaWZ5X2VyYXNlZF9wYWdlKHN0cnVjdCBtdGRfaW5mbyAqbXRkLAo+ICAJCSAg c3RydWN0IG5hbmRfY2hpcCAqY2hpcCwgdm9pZCAqYnVmLCB1NjQgYWRkcikKPiAgewo+ICsJc3Ry dWN0IG10ZF9vb2JfcmVnaW9uIG9vYmVjYzsKPiAgCWludCBpLCBzYXM7Cj4gLQl2b2lkICpvb2Ig PSBjaGlwLT5vb2JfcG9pOwo+ICsJdm9pZCAqb29iOwo+ICAJaW50IGJpdGZsaXBzID0gMDsKPiAg CWludCBwYWdlID0gYWRkciA+PiBjaGlwLT5wYWdlX3NoaWZ0Owo+ICAJaW50IHJldDsKPiBAQCAt MjAzNSwxMSArMjAzNiwxOSBAQCBzdGF0aWMgaW50IGJyY21zdGJfbmFuZF92ZXJpZnlfZXJhc2Vk X3BhZ2Uoc3RydWN0IG10ZF9pbmZvICptdGQsCj4gIAlpZiAocmV0KQo+ICAJCXJldHVybiByZXQ7 Cj4gIAo+IC0JZm9yIChpID0gMDsgaSA8IGNoaXAtPmVjYy5zdGVwczsgaSsrLCBvb2IgKz0gc2Fz KSB7Cj4gKwlmb3IgKGkgPSAwOyBpIDwgY2hpcC0+ZWNjLnN0ZXBzOyBpKyspIHsKPiAgCQllY2Nf Y2h1bmsgPSBidWYgKyBjaGlwLT5lY2Muc2l6ZSAqIGk7Cj4gLQkJcmV0ID0gbmFuZF9jaGVja19l cmFzZWRfZWNjX2NodW5rKGVjY19jaHVuaywKPiAtCQkJCQkJICBjaGlwLT5lY2Muc2l6ZSwKPiAt CQkJCQkJICBvb2IsIHNhcywgTlVMTCwgMCwKPiArCj4gKwkJaWYgKG10ZC0+b29ibGF5b3V0LT5l Y2MobXRkLCBpLCAmb29iZWNjKSkgewoKUGxlYXNlIHVzZSB0aGUgbXRkY29yZS5jJ3MgaGVscGVy cwoobXRkX29vYmxheW91dF9zZXQvZ2V0X2RhdGEvZnJlZS9lY2MvYnl0ZXMpLgoKQWxzbywgd2hh dCBhcmUgeW91IHRyeWluZyB0byBkaXNjcmltaW5hdGUgd2l0aCB0aGUgcmV0dXJuIGNvZGUgb2Yg dGhlCmZ1bmN0aW9uPyBTaG91bGRuJ3QgdGhpcyBmdW5jdGlvbiAiYWx3YXlzIiB3b3JrPwoKPiAr CQkJb29iID0gTlVMTDsKPiArCQkJb29iZWNjLmxlbmd0aCA9IDA7Cj4gKwkJfSBlbHNlIHsKPiAr CQkJb29iID0gY2hpcC0+b29iX3BvaSArIG9vYmVjYy5vZmZzZXQ7Cj4gKwkJfQo+ICsKPiArCQly ZXQgPSBuYW5kX2NoZWNrX2VyYXNlZF9lY2NfY2h1bmsoZWNjX2NodW5rLCBjaGlwLT5lY2Muc2l6 ZSwKPiArCQkJCQkJICBvb2IsIG9vYmVjYy5sZW5ndGgsCj4gKwkJCQkJCSAgTlVMTCwgMCwKPiAg CQkJCQkJICBjaGlwLT5lY2Muc3RyZW5ndGgpOwoKQXMgSSB0b2xkIHlvdSwgdGhpcyBoZWxwZXIg dGFrZXMgIm1haWQgZGF0YSIgdGhlbiAic3BhcmUgYXJlYSIgdGhlbgoiZWNjIGJ5dGVzIi4gVGhl IG5hbWVzIGFyZSBwcmV0dHkgaW1wb3J0YW50IGhlcmUgYXMgeW91IHdhbnQgdG8gYXZvaWQKY2hl Y2tpbmcgdGhlIHNwYXJlIE9PQiBieXRlcyBvbiBwdXJwb3NlLCBzbyBtYXliZSB5b3UgY291bGQg aGF2ZSBtb3JlCm1lYW5pbmdmdWwgbmFtZXMgYW5kIGNhbGwgImVjYyIgaW5zdGVhZCBvZiAib29i IiB0aGUgZWNjIHJlZ2lvbj8KIAo+ICAJCWlmIChyZXQgPCAwKQo+ICAJCQlyZXR1cm4gcmV0OwoK ClRoYW5rcywKTWlxdcOobApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3Rv cC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmkt ZGV2ZWwK