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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 8E0AAC624D3 for ; Wed, 2 Sep 2026 14:49:07 +0000 (UTC) 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:Message-ID:Date:References :In-Reply-To:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=reUyRTN7+LEFtD8MVLEs0jlGE975WYhP56Q/1N4rpeA=; b=vRPUiwqskOM7/z Q7bI5JPm+zAXomBItdXqxvCO1O2sSvCpKa6RN6wFF72A/ysmDslQ1cDrtXNphVmJTCYiLRgZPFwtq NevlJYvW0omj7g54ICq0rkwdJhNwnfFwT5mNW8cBYfS/VijEI+2nIQGgkiMxGsezSFsZRTciFNEjV Q+Ho6D65kjEwUqOGFNYvOluFk4IiiOVaBzfHlfM3tUGjZ2DljOhNCyzGsPtNSmPEWfdiUCegyZfmN u0qKwCUOX1gSwxfJbJmRg9aKu8fXX8LIIii2uK60l5tM7gg++gXXz8Rp/E2hMD0yKUAf8hwtb1+Gk vyqQhR+vf7RTuEWVWE/Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x1mGn-0000000F0uJ-0G1C; Wed, 02 Sep 2026 14:48:57 +0000 Received: from smtpout-02.galae.net ([185.246.84.56]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x1mGj-0000000F0sy-2ERI for linux-mtd@lists.infradead.org; Wed, 02 Sep 2026 14:48:55 +0000 Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id C72AC1A195E; Wed, 2 Sep 2026 14:48:50 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 906B96053C; Wed, 2 Sep 2026 14:48:50 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 3940111C792AB; Wed, 2 Sep 2026 16:48:38 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1788360524; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=kKyP0KBxakTaDA9ZOZgXWO84xJnxt16TUKmmMmMWZ5o=; b=cFage9wxV+lKQQXdLrZPivLydFioAXSPdrLl0Pf+32Fetbt/c5BEtAhB+vPCCYWgMVmI8A PLatga4yHA5lIzIKK7WujwrK+Fj3zEZLkcQDRumqloRMOonQf7JFjEULM1Gcyo6di/x7KC wnESG53ex/2gbearIlyjse8Gdygg7vf7+32f+yLOEUIkBOX7mIAach54O8aqrkr1xJPdao DmYyisTQ3WnBZDubMVgixx4ijrWmhrBQWd3VslYqgJrIVC1iQMzxocwI2nKc4gmPv0pcyv S7DJFHF6+lH8ge3Cmkm5eVfhiXq4KY0Tvjg1f8ntvIp+T4Rxo0Gri5CmyltJ2A== From: Miquel Raynal To: Cc: , , , , , , , , , , , , , , , Subject: Re: [PATCH v3 13/23] mtd: spi-nor: winbond: Add support for W25Q01RV-Q/N In-Reply-To: <4d7597839fc542ea846fe0ddb3eb6683@infineon.com> (Takahiro Kuwano's message of "Thu, 20 Aug 2026 06:15:08 +0000") References: <20260813-winbond-v7-1-spi-nor-rv-addition-v3-0-b637cf120d5c@bootlin.com> <20260813-winbond-v7-1-spi-nor-rv-addition-v3-13-b637cf120d5c@bootlin.com> <4d7597839fc542ea846fe0ddb3eb6683@infineon.com> User-Agent: mu4e 1.12.12; emacs 30.2 Date: Wed, 02 Sep 2026 16:48:38 +0200 Message-ID: <87se3r7lq1.fsf@bootlin.com> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260902_074853_714461_49B269CC X-CRM114-Status: UNSURE ( 7.96 ) X-CRM114-Notice: Please train this message. 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 T24gMjAvMDgvMjAyNiBhdCAwNjoxNTowOCBHTVQsIDxUYWthaGlyby5LdXdhbm9AaW5maW5lb24u Y29tPiB3cm90ZToKCj4gSGkgTWlxdWVsLAo+Cj4+IFRoZXJlIGlzIGFuIElEIGNvbGxpc2lvbiB3 aXRoIHRoZSBjaGlwIG9mIHNhbWUgZGVuc2l0eSBmcm9tIHRoZSBKVgo+PiBmYW1pbHkuIEJvdGgg Y2hpcHMgYXJlIHZlcnkgc2ltaWxhciBpbiBwcmFjdGljZSwgaXQgaXMgbW9zdGx5IGEgbWF0dGVy Cj4+IG9mIGVsZWN0cmljYWwgZGlmZmVyZW5jZXMgKG1vc3RseSBwb3dlciBjb25zdW1wdGlvbiBi ZWluZyBsb3dlcikuCj4+IAo+PiBBcyBhIHNpZ25pZmljYW50IGRpZmZlcmVuY2UsIFJWIGNoaXBz IGlkZW50aWZ5IHRoZW1zZWx2ZXMgYXMgc3VwcG9ydGluZwo+PiB0aGUgbmV3IFNGRFAgKHJldiBG KSBmaWVsZCB3aGljaCBmb3JjZXMgYW4gYWx0ZXJuYXRlIHdyaXRlIFNSMgo+PiBvcGNvZGUgKDB4 MzEpLgo+PiAKPj4gU2lnbmVkLW9mZi1ieTogTWlxdWVsIFJheW5hbCA8bWlxdWVsLnJheW5hbEBi b290bGluLmNvbT4KPj4gLS0tCj4+ICsgY2F0IC9zeXMvYnVzL3NwaS9kZXZpY2VzL3NwaTAuMC9z cGktbm9yL2plZGVjX2lkCj4+IGVmNDAyMAo+Cj4gZWY0MDIxPwo+IEkgdGhpbmsgeW91IGNvcGll ZCB3cm9uZyBsb2cgKHRoaXMgbG9va3Mgc2FtZSBhcyBwYXRjaCAjMTIpLgoKQ29ycmVjdCEgSSBq dXN0IG1hZGUgYSBuZXcgYWNxdWlzaXRpb24gYW5kIGZpeGVkIHRoZSBsb2dzLgoKVGhhbmtzIQpN aXF1w6hsCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX18KTGludXggTVREIGRpc2N1c3Npb24gbWFpbGluZyBsaXN0Cmh0dHA6Ly9saXN0cy5pbmZy YWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtbXRkLwo= 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 66594C61DD6 for ; 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Wed, 02 Sep 2026 14:48:58 +0000 Received: from smtpout-03.galae.net ([185.246.85.4]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x1mGj-0000000F0t1-2rO3 for linux-arm-kernel@lists.infradead.org; Wed, 02 Sep 2026 14:48:56 +0000 Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id BF7B14E414E4; Wed, 2 Sep 2026 14:48:50 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 906B96053C; Wed, 2 Sep 2026 14:48:50 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 3940111C792AB; Wed, 2 Sep 2026 16:48:38 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1788360524; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=kKyP0KBxakTaDA9ZOZgXWO84xJnxt16TUKmmMmMWZ5o=; b=cFage9wxV+lKQQXdLrZPivLydFioAXSPdrLl0Pf+32Fetbt/c5BEtAhB+vPCCYWgMVmI8A PLatga4yHA5lIzIKK7WujwrK+Fj3zEZLkcQDRumqloRMOonQf7JFjEULM1Gcyo6di/x7KC wnESG53ex/2gbearIlyjse8Gdygg7vf7+32f+yLOEUIkBOX7mIAach54O8aqrkr1xJPdao DmYyisTQ3WnBZDubMVgixx4ijrWmhrBQWd3VslYqgJrIVC1iQMzxocwI2nKc4gmPv0pcyv S7DJFHF6+lH8ge3Cmkm5eVfhiXq4KY0Tvjg1f8ntvIp+T4Rxo0Gri5CmyltJ2A== From: Miquel Raynal To: Cc: , , , , , , , , , , , , , , , Subject: Re: [PATCH v3 13/23] mtd: spi-nor: winbond: Add support for W25Q01RV-Q/N In-Reply-To: <4d7597839fc542ea846fe0ddb3eb6683@infineon.com> (Takahiro Kuwano's message of "Thu, 20 Aug 2026 06:15:08 +0000") References: <20260813-winbond-v7-1-spi-nor-rv-addition-v3-0-b637cf120d5c@bootlin.com> <20260813-winbond-v7-1-spi-nor-rv-addition-v3-13-b637cf120d5c@bootlin.com> <4d7597839fc542ea846fe0ddb3eb6683@infineon.com> User-Agent: mu4e 1.12.12; emacs 30.2 Date: Wed, 02 Sep 2026 16:48:38 +0200 Message-ID: <87se3r7lq1.fsf@bootlin.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260902_074853_858867_77CA2063 X-CRM114-Status: UNSURE ( 8.64 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 20/08/2026 at 06:15:08 GMT, wrote: > Hi Miquel, > >> There is an ID collision with the chip of same density from the JV >> family. Both chips are very similar in practice, it is mostly a matter >> of electrical differences (mostly power consumption being lower). >>=20 >> As a significant difference, RV chips identify themselves as supporting >> the new SFDP (rev F) field which forces an alternate write SR2 >> opcode (0x31). >>=20 >> Signed-off-by: Miquel Raynal >> --- >> + cat /sys/bus/spi/devices/spi0.0/spi-nor/jedec_id >> ef4020 > > ef4021? > I think you copied wrong log (this looks same as patch #12). Correct! I just made a new acquisition and fixed the logs. Thanks! Miqu=C3=A8l