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 ; Wed, 2 Sep 2026 14:49:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type: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=kKyP0KBxakTaDA9ZOZgXWO84xJnxt16TUKmmMmMWZ5o=; b=0ArzzP0Mfg2Su/OTbWlJ+dVuNT f91h77Uz4EamgIvtFWa5G/Ig10s0tll1Ege10RPr7AOIuuEzuboz8y/k/7mPjBi9JmH7FVuzPN7TB CkLqs6SL+obooM5S6koP6FUUlS5kMUpFDAV2xJ9xf5NeWlmxi25YStuYb/7/wMONX2qqoAhcEH2yl XVLVuYE0N8oRYbaieAKv3EL9Z4KyCUGkLN3Ge+MksACKnr+JDrL3oF5rFDB3TSQC4N3w4KXgg1uP9 sGwAu6XgmQZtaLYClYjwaj9Ol/MCKDDut2FB80lz1OpEetrBxL73u26npdQYuEdks6lI0WyeD6x5y U38K2l2Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x1mGo-0000000F0uU-0bli; 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