From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1C7FAC433EF for ; Fri, 12 Nov 2021 15:53:18 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C744A60F45 for ; Fri, 12 Nov 2021 15:53:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org C744A60F45 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=MsVyzo+0VMb2FqJW6O9swBsgf4JkvuzNbxfz9nScuA0=; b=vAPahkaaQFTB2V 72DKc16AO5QPg52UvhkbE8CmvGQvCkeW0Hpc88mc/c8zGaNROfMXB1pB5nhgY1QImkm1+u5uZ9I46 63+KrSBpA3yKbAxG8ABjaWQw4zNmSP37FuzWQcc9plzmofjuGwzKnetufnATAvMo4vPwP9DMM1feX zZ103VyNd6eLJcKrN9110zDMbDi0sOxzziKR7OZQjtaIdmhLihK174njDH8h+Ql3Pb2SwZAa4KcSK cwgwXZP9fcmfhX82P0YzXlVuDertqn0sCWLidAH2RxjULXzpildSGOWhAl432tiB39W6PcM7xH0LO ACdveJp0NNbyBTqgsfcA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mlYr7-00BAY2-D2; Fri, 12 Nov 2021 15:52:45 +0000 Received: from relay4-d.mail.gandi.net ([217.70.183.196]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mlYr4-00BAWu-Ew for linux-mtd@lists.infradead.org; Fri, 12 Nov 2021 15:52:44 +0000 Received: (Authenticated sender: miquel.raynal@bootlin.com) by relay4-d.mail.gandi.net (Postfix) with ESMTPSA id 1AF05E000A; Fri, 12 Nov 2021 15:52:37 +0000 (UTC) Date: Fri, 12 Nov 2021 16:52:36 +0100 From: Miquel Raynal To: Herve Codina Cc: Richard Weinberger , Vignesh Raghavendra , linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, Thomas Petazzoni Subject: Re: [PATCH 4/4] mtd: rawnand: fsmc: Fix timing computation Message-ID: <20211112165236.12d71bc0@xps13> In-Reply-To: <20211112143855.2678989-5-herve.codina@bootlin.com> References: <20211112143855.2678989-1-herve.codina@bootlin.com> <20211112143855.2678989-5-herve.codina@bootlin.com> 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-20211112_075242_796780_D1A15B58 X-CRM114-Status: GOOD ( 31.23 ) 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 SGkgSGVydmUsCgpoZXJ2ZS5jb2RpbmFAYm9vdGxpbi5jb20gd3JvdGUgb24gRnJpLCAxMiBOb3Yg MjAyMSAxNTozODo1NSArMDEwMDoKCj4gVGhlIHRpbWluZyBzZXR0aW5nIHdlcmUgaW5jb3JyZWN0 IG9uIHNvbWUgbmFuZHMgbGVhZGluZyB0byBhCj4gZmFsbGJhY2sgdG8gbW9kZSAwIHRpbWluZyBv biBzb21lIE1pY3JvbiBuYW5kIG9yIHRvIGluY29ycmVjdAo+IGRhdGEgcmVhZHMgb24gc29tZSBX aW5ib25kIE5BTkQuCgpJbiBnZW5lcmFsIEkgcHJlZmVyIHdoZW4gYWNyb255bXMgdXNlIHVwcGVy IGNhc2VzIChOQU5EcywgTVRELCBldGMpLgpQbGVhc2UgYWxzbyBkbyB0aGUgY2hhbmdlIGluIHRo ZSBvdGhlciBjb21taXRzLgoKU2F5aW5nICJ0aW1pbmcgc2V0dGluZyB3ZXJlIGluY29ycmVjdCBv biBzb21lIG5hbmRzIiBpcyBpbmFjY3VyYXRlLiBJCnRoaW5rIHdlIGNhbiBjbGVhcmx5IHN0YXRl IHRoYXQgIlVuZGVyIGNlcnRhaW4gY2lyY3Vtc3RhbmNlcywgdGhlCnRpbWluZyBzZXR0aW5ncyBj YWxjdWxhdGVkIGJ5IHRoZSBGU01DIE5BTkQgY29udHJvbGxlciBkcml2ZXIgd2VyZQppbmFjY3Vy YXRlLiIgKG5vIG5lZWQgdG8gcHJlY2lzZSBhIE5BTkQgZGV2aWNlIGhlcmUpLgoKPiBUaGUgdGlt aW5nIGNvbXB1dGF0aW9uIGRpZCBub3QgdGFrZSBpbnRvIGFjY291bnQgdGhlIGZvbGxvd2luZwo+ IGNvbnN0cmFpbnQgZ2l2ZW4gaW4gU1BFQXIzeHggcmVmZXJlbmNlIG1hbnVhbDoKPiAgIHR3YWl0 ID49IHRDRUEgLSB0c2V0KlRDTEsgKyBUT1VUREVMICsgVElOREVMCj4gCj4gVGhpcyBwYXRjaCBh ZGRzIHRoaXMgY29uc3RyYWludCBhbmQgZml4ZXMgdGhlIGlzc3VlcyBvbiBib3RoCgpXZSBnZW5l cmFsbHkgdXNlIHRoZSBkZWNsYXJhdGl2ZSB0ZW5zZSBoZXJlLCBzdWNoIGFzICJBZGQgdGhpcwpj b25zdHJhaW50IGFuZCBmaXhlcy4uLiIgZXZlbiB0aG91Z2ggSSB3b3VsZCBoYXBwaWx5IHJlZm9y bXVsYXRlIHdpdGgKc29tZXRoaW5nIGxpa2UgIkVuaGFuY2UgdGhlIHRpbWluZ3MgY2FsY3VsYXRp b24gYnkgdGFraW5nIGludG8gYWNjb3VudAp0aGlzIGFkZGl0aW9uYWwgY29uc3RyYWludC4iCgpB bmQgdGhlbiB5b3UgY2FuIHByb3ZpZGUgeW91ciByZXN1bHRzLCBob3cgaXQgYmVoYXZlZCB3aXRo IHRoZSB0d28KTkFORHMgYW5kIHdoYXQgaW1wcm92ZW1lbnQgeW91IGJyaW5nIHdpdGggdGhpcyBh ZGRpdGlvbmFsIGNhbGN1bGF0aW9uLgoKPiBuYW5kcyBoYXZpbmcgdGhlIGJvdGggbmFuZHMgd29y a2luZyBhdCBtb2RlIDMgdGltaW5nLgo+IFRoZSBjaGFuZ2UgaGFzIG5vIGltcGFjdCBvbiBzbG93 ZXIgdGltaW5nIG1vZGUgc3VjaCBhcyBtb2RlIDAuCj4gSW5kZWVkLCBvbiBtb2RlIDAgdGltaW5n LCBjb21wdXRlZCB2YWx1ZXMgYXJlIHRoZSBzYW1lIHdpdGggYW5kCj4gd2l0aG91dCB0aGUgcGF0 Y2guCgpBIGZldyB2aXN1YWwgY2hhbmdlcyBleHBsYWluZWQgYmVsb3cgb3RoZXJ3aXNlIHRoZSBs b2dpYyBpcyBmaW5lLgoKPiBTaWduZWQtb2ZmLWJ5OiBIZXJ2ZSBDb2RpbmEgPGhlcnZlLmNvZGlu YUBib290bGluLmNvbT4KPiAtLS0KPiAgZHJpdmVycy9tdGQvbmFuZC9yYXcvZnNtY19uYW5kLmMg fCAyNyArKysrKysrKysrKysrKysrKysrLS0tLS0tLS0KPiAgMSBmaWxlIGNoYW5nZWQsIDE5IGlu c2VydGlvbnMoKyksIDggZGVsZXRpb25zKC0pCj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvbXRk L25hbmQvcmF3L2ZzbWNfbmFuZC5jIGIvZHJpdmVycy9tdGQvbmFuZC9yYXcvZnNtY19uYW5kLmMK PiBpbmRleCBiZmYwOTIxOWNlM2EuLmEzYWE2NmYzMDg2OSAxMDA2NDQKPiAtLS0gYS9kcml2ZXJz L210ZC9uYW5kL3Jhdy9mc21jX25hbmQuYwo+ICsrKyBiL2RyaXZlcnMvbXRkL25hbmQvcmF3L2Zz bWNfbmFuZC5jCj4gQEAgLTI3OCw3ICsyNzgsNyBAQCBzdGF0aWMgaW50IGZzbWNfY2FsY190aW1p bmdzKHN0cnVjdCBmc21jX25hbmRfZGF0YSAqaG9zdCwKPiAgewo+ICAJdW5zaWduZWQgbG9uZyBo Y2xrID0gY2xrX2dldF9yYXRlKGhvc3QtPmNsayk7Cj4gIAl1bnNpZ25lZCBsb25nIGhjbGtuID0g TlNFQ19QRVJfU0VDIC8gaGNsazsKPiAtCXUzMiB0aGl6LCB0aG9sZCwgdHdhaXQsIHRzZXQ7Cj4g Kwl1MzIgdGhpeiwgdGhvbGQsIHR3YWl0LCB0c2V0LCB0bXA7Cj4gIAo+ICAJaWYgKHNkcnQtPnRS Q19taW4gPCAzMDAwMCkKPiAgCQlyZXR1cm4gLUVPUE5PVFNVUFA7Cj4gQEAgLTMxMCwxMyArMzEw LDYgQEAgc3RhdGljIGludCBmc21jX2NhbGNfdGltaW5ncyhzdHJ1Y3QgZnNtY19uYW5kX2RhdGEg Kmhvc3QsCj4gIAllbHNlIGlmICh0aW1zLT50aG9sZCA+IEZTTUNfVEhPTERfTUFTSykKPiAgCQl0 aW1zLT50aG9sZCA9IEZTTUNfVEhPTERfTUFTSzsKPiAgCj4gLQl0d2FpdCA9IG1heChzZHJ0LT50 UlBfbWluLCBzZHJ0LT50V1BfbWluKTsKPiAtCXRpbXMtPnR3YWl0ID0gRElWX1JPVU5EX1VQKHR3 YWl0IC8gMTAwMCwgaGNsa24pIC0gMTsKPiAtCWlmICh0aW1zLT50d2FpdCA9PSAwKQo+IC0JCXRp bXMtPnR3YWl0ID0gMTsKPiAtCWVsc2UgaWYgKHRpbXMtPnR3YWl0ID4gRlNNQ19UV0FJVF9NQVNL KQo+IC0JCXRpbXMtPnR3YWl0ID0gRlNNQ19UV0FJVF9NQVNLOwo+IC0KPiAgCXRzZXQgPSBtYXgo c2RydC0+dENTX21pbiAtIHNkcnQtPnRXUF9taW4sCj4gIAkJICAgc2RydC0+dENFQV9tYXggLSBz ZHJ0LT50UkVBX21heCk7Cj4gIAl0aW1zLT50c2V0ID0gRElWX1JPVU5EX1VQKHRzZXQgLyAxMDAw LCBoY2xrbikgLSAxOwo+IEBAIC0zMjUsNiArMzE4LDI0IEBAIHN0YXRpYyBpbnQgZnNtY19jYWxj X3RpbWluZ3Moc3RydWN0IGZzbWNfbmFuZF9kYXRhICpob3N0LAo+ICAJZWxzZSBpZiAodGltcy0+ dHNldCA+IEZTTUNfVFNFVF9NQVNLKQo+ICAJCXRpbXMtPnRzZXQgPSBGU01DX1RTRVRfTUFTSzsK PiAgCj4gKwl0d2FpdCA9IG1heChzZHJ0LT50UlBfbWluLCBzZHJ0LT50V1BfbWluKTsKPiArCj4g KwkvKiBBY2NvcmRpbmcgdG8gU1BFQXIzMDAgUmVmZXJlbmNlIE1hbnVhbCAoUk0wMDgyKSB3aGlj aCBnaXZlcyBtb3JlCgogICAgICAgICAgIF4KU2hvdWxkIGJlOgoKCS8qCgkgKiBBY2NvcmRpbmcg dG8uLi4KCj4gKwkgKiBpbmZvcm1hdGlvbiByZWxhdGVkIHRvIEZTTVNDIHRpbWluZ3MgdGhhbiB0 aGUgU1BFQXI2MDAgb25lIChSTTAzMDUpLAo+ICsJICogICB0d2FpdCA+PSB0Q0VBIC0gdHNldCpU Q0xLICsgVE9VVERFTCArIFRJTkRFTAo+ICsJICogV2l0aCBUT1VUREVMID0gN25zIChPdXRwdXQg ZGVsYXkgZnJvbSB0aGUgZmxpcC1mbG9wcyB0byB0aGUgYm9hcmQpCj4gKwkgKiBhbmQgVElOREVM ID0gNW5zIChJbnB1dCBkZWxheSBmcm9tIHRoZSBib2FyZCB0byB0aGUgZmxpcGZsb3ApCgpUaGVz ZSB0d28gaW5mb3JtYXRpb24gc2hvdWxkIGJlIHBsYWNlZCBjbG9zZSB0byBUT1VUREVMIGFuZCBU SU5ERUwKZGVmaW5pdGlvbnMgKHNlZSBteSBjb21tZW50IGJlbG93KS4KCj4gKwkgKi8KPiArCXRt cCA9IHNkcnQtPnRDRUFfbWF4IC0gKHRpbXMtPnRzZXQgKyAxKSpoY2xrbioxMDAwICsgNzAwMCAr IDUwMDA7CgogICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIF4K VGhlIHN0eWxlIGhlcmUgaXMgd3JvbmcsIHlvdSBuZWVkIHNwYWNlcyBiZWZvcmUgYW5kIGFmdGVy IGEgIioiLgoKUGxlYXNlIGFsc28gZW5jbG9zZSB0aGVzZSB0d28gbXVsdGlwbGljYXRpb25zIHdp dGggcGFyZW50aGVzaXMgdG8gbWFrZQppdCBjbGVhciB0aGF0IHlvdSBkbyBub3QgaW50ZW5kIHRv IG11bHRpcGx5IDcwMDAgbm9yIDUwMDAuCgpGaW5hbGx5LCBkbyBub3QgdXNlIG9wZW4gY29kZWQg dmFsdWVzLCBwbGVhc2UgZGVmaW5lIHRoZW0gYXQgdGhlIHRvcCBzbwp0aGF0IHlvdXIgY29kZSBt YXRjaGVzIHlvdXIgY29tbWl0IG1lc3NhZ2UgKHVzaW5nIFRPVVRERUwgYW5kIFRJTkRFTCkuCllv dSBjYW4gZXZlbiBhZGQgYSBjb21tZW50IGV4cGxhaW5pbmcgZnJvbSB3aGVyZSB5b3UgZ290IHRo ZXNlIHZhbHVlcy4KCj4gKwlpZiAodHdhaXQgPCB0bXApCj4gKwkJdHdhaXQgPSB0bXA7CgpJIGRv bid0IGxpa2UgdGhlIHRtcCBuYW1pbmcsIHlvdSBjb3VsZCBjYWxsIHRoaXMgdmFyaWFibGUgdHdh aXRfbWluIGFuZAp1c2UgYSBtaW4oKSBjYWxjdWxhdGlvbiBoZXJlIHRvIGZpdCB0aGUgbWFudWFs IGJldHRlci4KCj4gKwo+ICsJdGltcy0+dHdhaXQgPSBESVZfUk9VTkRfVVAodHdhaXQgLyAxMDAw LCBoY2xrbikgLSAxOwo+ICsJaWYgKHRpbXMtPnR3YWl0ID09IDApCj4gKwkJdGltcy0+dHdhaXQg PSAxOwo+ICsJZWxzZSBpZiAodGltcy0+dHdhaXQgPiBGU01DX1RXQUlUX01BU0spCj4gKwkJdGlt cy0+dHdhaXQgPSBGU01DX1RXQUlUX01BU0s7Cj4gKwo+ICAJcmV0dXJuIDA7Cj4gIH0KPiAgCgoK VGhhbmtzLApNaXF1w6hsCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KTGludXggTVREIGRpc2N1c3Npb24gbWFpbGluZyBsaXN0Cmh0dHA6Ly9s aXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtbXRkLwo=