From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-03.galae.net (smtpout-03.galae.net [185.246.85.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8B1D34A3877 for ; Wed, 2 Sep 2026 14:48:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.85.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788360536; cv=none; b=SisvpsRL2oFj96EiWQq3rDx/MKF1o18GFCVH96cBrr+2AYCpBZ9N4xtT3l+R7pDPZTw2ywJNUzyFAjJM2vVnjTMAkjGTpR9Iz3bOxiHP15mdknhVBzBl+SIoleZlRRmc0YXpUnweLBkv+cHF8HnukeFceBRLMq5+G7z6Tz6O1D0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788360536; c=relaxed/simple; bh=kKyP0KBxakTaDA9ZOZgXWO84xJnxt16TUKmmMmMWZ5o=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=OSMlcBlVdZJFGr6HE/KwVR0DFlq1/Fj6C9dMAjYQZTH8qwuBAIY1vksq2UGuWZ9jXIamUi642QoHBr7sK8IGUgYUvauApyfEBR1BAkiZFKHu0OIR5dAwKm7okF9h7xWShgKYEo8aThPbjfFBanyZ+q9cmRDAXlZbYRZ1aamYXpA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=cFage9wx; arc=none smtp.client-ip=185.246.85.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="cFage9wx" 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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Last-TLS-Session-Version: TLSv1.3 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