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 X-Spam-Level: X-Spam-Status: No, score=-8.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DE410C83000 for ; Tue, 28 Apr 2020 07:44:23 +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 AE35E206D7 for ; Tue, 28 Apr 2020 07:44:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="XScDsvHJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AE35E206D7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject: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=jTHBVGG1WbYwiRR2eA9op2aAmiNxm0wg3iLddyGF5+w=; b=XScDsvHJS+0ywn Y74tkW4YmX7USTcLZZ9tXZ9mvGJmtqbgXHd+nHJP4NMHOlNAIHf3gwUWWHxSSNG+EDHPWYVfEU/U1 tWLiOkLLF+J6g52H/tu7smsEnH+dXBItPwq4doePF5FYF5HmCPgyFVLOQSStOzU/jSKrONfa+GeCX Qs2gyQ+9Ob533Di5zHUiF27S44dK6yH2Hqza0lU9sqvmP+p0LRImMNXu+0iNhu7wj5L7NwzI9wSVp /tQInKC9SDUib5sshcfCX+twshpfF2/Ql9f5cbKqyGzl1hZyOHw+qvMt8XNA4eOgb2sbmb5bmQsxb Hk7zfTw/DpOXLfWBa7mw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jTKua-0008SI-Ov; Tue, 28 Apr 2020 07:44:12 +0000 Received: from relay12.mail.gandi.net ([217.70.178.232]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jTKuX-0008RK-3O for linux-mtd@lists.infradead.org; Tue, 28 Apr 2020 07:44:10 +0000 Received: from xps13 (unknown [91.224.148.103]) (Authenticated sender: miquel.raynal@bootlin.com) by relay12.mail.gandi.net (Postfix) with ESMTPSA id EB1F1200004; Tue, 28 Apr 2020 07:44:04 +0000 (UTC) Date: Tue, 28 Apr 2020 09:44:03 +0200 From: Miquel Raynal To: Boris Brezillon Subject: Re: [PATCH 12/17] mtd: rawnand: cafe: Don't split things when reading/writing a page Message-ID: <20200428094403.0250ae63@xps13> In-Reply-To: <20200428082024.5e0ce40b@collabora.com> References: <20200427082028.394719-1-boris.brezillon@collabora.com> <20200427082028.394719-13-boris.brezillon@collabora.com> <20200427215353.3ced34d3@xps13> <20200428082024.5e0ce40b@collabora.com> 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-20200428_004409_415971_7C7FB4B8 X-CRM114-Status: GOOD ( 21.92 ) 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, Tudor Ambarus , David Woodhouse , Vignesh Raghavendra , Richard Weinberger 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 SGkgQm9yaXMsCgpCb3JpcyBCcmV6aWxsb24gPGJvcmlzLmJyZXppbGxvbkBjb2xsYWJvcmEuY29t PiB3cm90ZSBvbiBUdWUsIDI4IEFwcgoyMDIwIDA4OjIwOjI0ICswMjAwOgoKPiBPbiBNb24sIDI3 IEFwciAyMDIwIDIxOjUzOjUzICswMjAwCj4gTWlxdWVsIFJheW5hbCA8bWlxdWVsLnJheW5hbEBi b290bGluLmNvbT4gd3JvdGU6Cj4gCj4gPiBIaSBCb3JpcywKPiA+IAo+ID4gQm9yaXMgQnJlemls bG9uIDxib3Jpcy5icmV6aWxsb25AY29sbGFib3JhLmNvbT4gd3JvdGUgb24gTW9uLCAyNyBBcHIK PiA+IDIwMjAgMTA6MjA6MjIgKzAyMDA6Cj4gPiAgIAo+ID4gPiBDYWxsaW5nIG5hbmRfcmVhZF9w YWdlX29wKHBhZ2VzaXplKS9uYW5kX3Byb2dfcGFnZV9iZWdpbl9vcChwYWdlc2l6ZSkKPiA+ID4g YW5kIGV4cGVjdGluZyB0byBnZXQgYSBwYWdlc2l6ZStvb2JzaXplIHJlYWQgZnJvbS93cml0dGVu IHRvIHRoZQo+ID4gPiByZWFkL3dyaXRlIGJ1ZmZlciBpcyBmcmFnaWxlIGFuZCBvbmx5IHdvcmtz IGJlY2F1c2Ugb2YgaGFja3MgZG9uZQo+ID4gPiBpbiBjbWRmdW5jKCkuIExldCdzIHJlYWQvd3Jp dGUgdGhlIHBhZ2UgaW4gb25lIGdvLCB1c2luZyB0aGUgcGFnZQo+ID4gPiBjYWNoZSBidWZmZXIg YXMgYSBib3VuY2UgYnVmZmVyLgo+ID4gPiAKPiA+ID4gU2lnbmVkLW9mZi1ieTogQm9yaXMgQnJl emlsbG9uIDxib3Jpcy5icmV6aWxsb25AY29sbGFib3JhLmNvbT4KPiA+ID4gLS0tCj4gPiA+ICBk cml2ZXJzL210ZC9uYW5kL3Jhdy9jYWZlX25hbmQuYyB8IDE2ICsrKysrKysrKysrLS0tLS0KPiA+ ID4gIDEgZmlsZSBjaGFuZ2VkLCAxMSBpbnNlcnRpb25zKCspLCA1IGRlbGV0aW9ucygtKQo+ID4g PiAKPiA+ID4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvbXRkL25hbmQvcmF3L2NhZmVfbmFuZC5jIGIv ZHJpdmVycy9tdGQvbmFuZC9yYXcvY2FmZV9uYW5kLmMKPiA+ID4gaW5kZXggMzE0OTNhMjAxYTAy Li5lZGY2NTE5NzYwNGIgMTAwNjQ0Cj4gPiA+IC0tLSBhL2RyaXZlcnMvbXRkL25hbmQvcmF3L2Nh ZmVfbmFuZC5jCj4gPiA+ICsrKyBiL2RyaXZlcnMvbXRkL25hbmQvcmF3L2NhZmVfbmFuZC5jCj4g PiA+IEBAIC00NzIsNiArNDcyLDcgQEAgc3RhdGljIGludCBjYWZlX25hbmRfcmVhZF9wYWdlKHN0 cnVjdCBuYW5kX2NoaXAgKmNoaXAsIHVpbnQ4X3QgKmJ1ZiwKPiA+ID4gIHsKPiA+ID4gIAlzdHJ1 Y3QgbXRkX2luZm8gKm10ZCA9IG5hbmRfdG9fbXRkKGNoaXApOwo+ID4gPiAgCXN0cnVjdCBjYWZl X3ByaXYgKmNhZmUgPSBuYW5kX2dldF9jb250cm9sbGVyX2RhdGEoY2hpcCk7Cj4gPiA+ICsJdm9p ZCAqcGFnZWJ1ZiA9IG5hbmRfZ2V0X2RhdGFfYnVmKGNoaXApOwo+ID4gPiAgCXVuc2lnbmVkIGlu dCBtYXhfYml0ZmxpcHMgPSAwOwo+ID4gPiAgCXUzMiBlY2NfcmVzdWx0LCBzdGF0dXM7Cj4gPiA+ ICAKPiA+ID4gQEAgLTQ3OSw4ICs0ODAsMTEgQEAgc3RhdGljIGludCBjYWZlX25hbmRfcmVhZF9w YWdlKHN0cnVjdCBuYW5kX2NoaXAgKmNoaXAsIHVpbnQ4X3QgKmJ1ZiwKPiA+ID4gIAkJY2FmZV9y ZWFkbChjYWZlLCBOQU5EX0VDQ19SRVNVTFQpLAo+ID4gPiAgCQljYWZlX3JlYWRsKGNhZmUsIE5B TkRfRUNDX1NZTl9SRUcoMCkpKTsKPiA+ID4gIAo+ID4gPiAtCW5hbmRfcmVhZF9wYWdlX29wKGNo aXAsIHBhZ2UsIDAsIGJ1ZiwgbXRkLT53cml0ZXNpemUpOwo+ID4gPiAtCWNoaXAtPmxlZ2FjeS5y ZWFkX2J1ZihjaGlwLCBjaGlwLT5vb2JfcG9pLCBtdGQtPm9vYnNpemUpOwo+ID4gPiArCW5hbmRf cmVhZF9wYWdlX29wKGNoaXAsIHBhZ2UsIDAsIHBhZ2VidWYsCj4gPiA+ICsJCQkgIG10ZC0+d3Jp dGVzaXplICsgbXRkLT5vb2JzaXplKTsKPiA+ID4gKwo+ID4gPiArCWlmIChidWYgIT0gcGFnZWJ1 ZikKPiA+ID4gKwkJbWVtY3B5KGJ1ZiwgcGFnZWJ1ZiwgbXRkLT53cml0ZXNpemUpOwo+ID4gPiAg Cj4gPiA+ICAJZWNjX3Jlc3VsdCA9IGNhZmVfcmVhZGwoY2FmZSwgTkFORF9FQ0NfUkVTVUxUKTsK PiA+ID4gIAlzdGF0dXMgPSBDQUZFX0ZJRUxEX0dFVChOQU5EX0VDQ19SRVNVTFQsIFNUQVRVUywg ZWNjX3Jlc3VsdCk7Cj4gPiA+IEBAIC02NDIsMTUgKzY0NiwxNyBAQCBzdGF0aWMgaW50IGNhZmVf bmFuZF93cml0ZV9wYWdlKHN0cnVjdCBuYW5kX2NoaXAgKmNoaXAsCj4gPiA+ICB7Cj4gPiA+ICAJ c3RydWN0IG10ZF9pbmZvICptdGQgPSBuYW5kX3RvX210ZChjaGlwKTsKPiA+ID4gIAlzdHJ1Y3Qg Y2FmZV9wcml2ICpjYWZlID0gbmFuZF9nZXRfY29udHJvbGxlcl9kYXRhKGNoaXApOwo+ID4gPiAr CXZvaWQgKnBhZ2VidWYgPSBuYW5kX2dldF9kYXRhX2J1ZihjaGlwKTsKPiA+ID4gIAlpbnQgcmV0 Owo+ID4gPiAgCj4gPiA+IC0JbmFuZF9wcm9nX3BhZ2VfYmVnaW5fb3AoY2hpcCwgcGFnZSwgMCwg YnVmLCBtdGQtPndyaXRlc2l6ZSk7Cj4gPiA+IC0JY2hpcC0+bGVnYWN5LndyaXRlX2J1ZihjaGlw LCBjaGlwLT5vb2JfcG9pLCBtdGQtPm9vYnNpemUpOwo+ID4gPiArCWlmIChwYWdlYnVmICE9IGJ1 ZikKPiA+ID4gKwkJbWVtY3B5KHBhZ2VidWYsIGJ1ZiwgbXRkLT53cml0ZXNpemUpOwo+ID4gPiAg Cj4gPiA+ICAJLyogU2V0IHVwIEVDQyBhdXRvZ2VuZXJhdGlvbiAqLwo+ID4gPiAgCWNhZmUtPmN0 bDIgfD0gQ0FGRV9OQU5EX0NUUkwyX0FVVE9fV1JJVEVfRUNDOwo+ID4gPiAgCj4gPiA+IC0JcmV0 ID0gbmFuZF9wcm9nX3BhZ2VfZW5kX29wKGNoaXApOwo+ID4gPiArCXJldCA9IG5hbmRfcHJvZ19w YWdlX29wKGNoaXAsIHBhZ2UsIDAsIHBhZ2VidWYsCj4gPiA+ICsJCQkJbXRkLT53cml0ZXNpemUg KyBtdGQtPm9vYnNpemUpOwo+ID4gPiAgCj4gPiA+ICAJLyoKPiA+ID4gIAkgKiBBbmQgY2xlYXIg aXQgYmVmb3JlIHJldHVybmluZyBzbyB0aGF0IGZvbGxvd2luZyB3cml0ZSBvcGVyYXRpb25zICAg IAo+ID4gCj4gPiAKPiA+IFlvdSBhcmUgcmVwbGFjaW5nIC0+cmVhZC93cml0ZV9idWYoKSBjYWxs cyBpbnRvIG1lbWNweSgpIGNhbGxzLAo+ID4gc2hvdWxkbid0IHRoaXMgYmUgY2xlYW5lZCBiZWZv cmU/IG9yIGF0IGxlYXN0IG1lbnRpb25lZD8gIAo+IAo+IEFjdHVhbGx5LCB0aG9zZSByZWFkL3dy aXRlX2J1ZiBhcmUgc3RpbGwgdGhlcmUsIHRoZXkncmUganVzdCBoaWRkZW4gaW4KPiB0aGUgbmFu ZF97cHJvZyxyZWFkfV9wYWdlX29wKCkgY2FsbCBub3cgKHRvIGJlIGFjY3VyYXRlLCB0aGUgcmVh ZC93cml0ZQo+IGJ1ZiBpbiB0aGVyZSBub3cgY292ZXJzIHRoZSBkYXRhIGFuZCBvb2IgcG9ydGlv bnMpLiBJdCdzIHJlYWxseSB3aGF0Cj4gc2hvdWxkIGJlIGRvbmUsIHRoZSByZWFzb24gdGhpcyB3 b3JrZWQgc28gZmFyIGlzIGJlY2F1c2UgY21kZnVuYygpCj4gZ3Vlc3NlcyB0aGF0IHRoZSBmdWxs IHBhZ2Ugd2lsbCBiZSByZWFkL3dyaXR0ZW4gYW5kIGlzc3VlcyBhIHJlYWQvd3JpdGUKPiBvZiB0 aGUgZGF0YStvb2IgcG9ydGlvbi4gVGhlIGV4dHJhIG1lbWNweSB0aGF0J3MgYWRkZWQgaGVyZSBp cyBkb25lIHRvCj4gYWNjb3VudCBmb3IgdGhlIGZhY3QgdGhhdCB0aGUgY29yZSBtaWdodCBwYXNz IDIgZGlmZmVyZW50IGJ1ZmZlcnMgZm9yCj4gT09CIGFuZCBkYXRhLCBidXQgd2Ugd2FudCB0aGlu Z3MgdG8gYmUgZG9uZSBpbiBvbmUgc3RlcCwgc28gd2UncmUgdXNpbmcKPiB0aGUgYm91bmNlIGJ1 ZmZlciB0byBkbyB0aGUgdHJhbnNmZXIuCgpOb3cgdGhhdCB5b3UgbWVudGlvbiBpdCBJIGZ1bGx5 IHVuZGVyc3RhbmQuCgpUaGFua3MgZm9yIHRoZSBjbGFyaWZpY2F0aW9uLCBtYXliZSB5b3UgY2Fu IGFkZCB0aGVzZSBkZXRhaWxzIHRvIHRoZQpjb21taXQgbG9nLgoKClRoYW5rcywKTWlxdcOobAoK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkxp bnV4IE1URCBkaXNjdXNzaW9uIG1haWxpbmcgbGlzdApodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LW10ZC8K