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 CE1D5C5DF82 for ; Thu, 20 Aug 2026 05:59:06 +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:In-Reply-To:References: Message-ID:Date: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=EHTl8pL5HkW98I7295Ag00vu7f+4/Lpbe4VoNdAXtuI=; b=wWgtkSPKXgFIER P1HyUVzUD1v40byrAMXQ3I2THzwM7U8lcSsId+1UUT406LXbBge6Wt8Ja8yFEwlYoes5nPzljvDrq EoffRDA1/ivEPpqifOvrHFa9x7tIpGrjQCwrTs08/N+QbsxtiEixVL6/VOZJgaLmcnQtJDbR0jJGB 9XyyCs6A4dwijPrA5xJlfy2G1rJUnNcYKeisrM71b6ML4GsSW9GHVZpsDv3thwJL98DqVeJUu8Mv9 csl2FvlWNzCkvqBAaFY03KLLQogDNXyglowvUC9Rp1DXJQxxWY+b22OFhFydL9M0BKkCrBaR9QVxY 6SJM9qGv+/C/5FBCvIAw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wwvns-0000000Atcm-0EEs; Thu, 20 Aug 2026 05:59:04 +0000 Received: from smtp2.infineon.com ([2a00:18f0:1e00:4::4]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wwvnp-0000000Atbl-1BAs; Thu, 20 Aug 2026 05:59:02 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=infineon.com; i=@infineon.com; q=dns/txt; s=IFXMAIL; t=1787205541; x=1818741541; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=Qe8FKlZhSpcuo4F/GPBPV4eCBlhrPJ5e3vrOBNcgGIA=; b=f4n9k6kkVta/ut6QCfgNHxJHSb8yPOzgaI9AiOHSIxYWqKSHiYgb8pPy iGGpncr2evz2Sq4xWiUIrUzLUqwA0+m3gKEWHmRsh9nOWrExSN9tMezA8 nTN2tj7jxy8qSeP7UW2FyqToVuZ3DpSFhULJLre8P6CCP6ahh2KY0dhis s=; X-CSE-ConnectionGUID: xT6esWTyRY2U0JVNUEzQwA== X-CSE-MsgGUID: yiniqULCTga91r315KvwQA== X-IronPort-AV: E=McAfee;i="6800,10657,11880"; a="173544398" X-IronPort-AV: E=Sophos;i="6.25,232,1779141600"; d="scan'208";a="173544398" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO MUCSE819.infineon.com) ([172.23.29.45]) by smtp2.infineon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Aug 2026 07:58:59 +0200 Received: from MUCSE815.infineon.com (172.23.29.41) by MUCSE819.infineon.com (172.23.29.45) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.45; Thu, 20 Aug 2026 07:58:59 +0200 Received: from MUCSE815.infineon.com (172.23.29.41) by MUCSE815.infineon.com (172.23.29.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.45; Thu, 20 Aug 2026 07:58:58 +0200 Received: from MUCSE815.infineon.com ([fe80::ed10:a720:3031:ca14]) by MUCSE815.infineon.com ([fe80::ed10:a720:3031:ca14%12]) with mapi id 15.02.2562.045; Thu, 20 Aug 2026 07:58:58 +0200 From: To: , , , , , , , , , CC: , , , , , , Subject: RE: [PATCH v3 08/23] mtd: spi-nor: winbond: Prepare introduction of W25QxxRV-Q/N parts Thread-Topic: [PATCH v3 08/23] mtd: spi-nor: winbond: Prepare introduction of W25QxxRV-Q/N parts Thread-Index: AQHdKzc8iS3M3S4Pl0ajaTH9fJZ747ame0sg Date: Thu, 20 Aug 2026 05:58:58 +0000 Message-ID: References: <20260813-winbond-v7-1-spi-nor-rv-addition-v3-0-b637cf120d5c@bootlin.com> <20260813-winbond-v7-1-spi-nor-rv-addition-v3-8-b637cf120d5c@bootlin.com> In-Reply-To: <20260813-winbond-v7-1-spi-nor-rv-addition-v3-8-b637cf120d5c@bootlin.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.161.6.196] MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260819_225901_640934_FFE0AD9A X-CRM114-Status: UNSURE ( 8.99 ) 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="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org > There is an ID collision between the JV and RV families. Both chips are > very similar in practice, it is mostly a matter of electrical > differences (mostly power consumption being lower). > > As a significant difference, RV chips identify themselves as supporting > the new SFDP (rev F) field which forces an alternate write SR2 opcode > (0x31). They also do not require the multi-die fixups which must remain > assigned to the JV chips. > > Finally, since they share the IDs but not the names, we must hide the > names using a fixup. > > Signed-off-by: Miquel Raynal Reviewed-by: Takahiro Kuwano ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/